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1
Maulana, Muhammad Ilham, Ahmad Syuhada, and Fiqih Almas. "Computational Fluid Dynamic Predictions on Effects of Screw Number on Performance of Single Blade Archimedes Screw Turbine." E3S Web of Conferences 67 (2018): 04027. http://dx.doi.org/10.1051/e3sconf/20186704027.
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One of the alternative solutions to reduce the impact of electricity crisis in Aceh and other isolated areas in Indonesia is by the construction of small-scale hydro power plants that can work efficiently on the heads lower than 10 meters. One suitable type of turbine applied to the head below 10 meters is the Archimedes screw turbine. Due to the lack of information about the application of low head power plants, resulting in applications of this type of turbine is still less in Indonesia. This paper examined the appropriate turbine model. Before experimental turbine testing, turbines were designed theoretically first and then analyzed numerically. The flow velocity and pressure patterns within the turbine were analyzed using ANSYS CFD (Computational Fluid Dynamic) software under design conditions for 7, 9 and 11 screw numbers for single blade turbine. Based on the results of pressure analysis, speed and turbulent kinetic energy, it found that turbine performance using 11 blades is better among the three turbines. However, the highest average speed was obtained on the turbine using 7 screws, which maximum pressure obtained on a turbine 7 screws of 1406 Pa, on 9 screws on plane 1301 Pa and at 11 screws of 1175 Pa. Based on the results of the analysis, it showed that the smaller the distance between the channel and turbine blades, the results were more efficient due to the absence of wasted streams. Therefore, the flow pressure in the inlet position all directly leaded to the tip off the blade to produce a momentum.
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Jasron, Jahirwan Ut, Wilson Mardianto A. Silla, and Gusnawati Gusnawati. "Pengaruh Jarak Antar Ulir Terhadap Daya Output Pada Turbin Archimedes Screw." Jurnal Inovasi Teknologi Terapan 2, no. 1 (2024): 154–59. http://dx.doi.org/10.33504/jitt.v2i1.219.
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The need for energy sources currently continues to increase, especially electrical energy, even exceeding existing estimates. Along with the need for electrical energy, further research is needed to utilize new renewable energy as alternative energy, one of which is hydroelectric power plants. Hydropower and PLTMH have different output capacities, one of the turbines that can be used as a PLTMH is the screw turbine (Archimedes screw). The efficiency of the Archimedes screw turbine is influenced by many factors, one of which is the turbine design. The existing turbine design needs to be evaluated by several factors such as inner and outer screw diameter, slope, screw pitch, number of blades, and inlet and outlet conditions as well as head and water flow. This research aims to find out how the design of the distance between the screws affects the efficiency of this screw turbine. The variable used in this research is the distance between threads, namely 8 cm, 10 cm, and 12 cm with a 12VDC 5W, 10W, and 15W lamp load. The results of this research show that the turbine with a distance between the threads of 12 cm produces the highest generator rotation, namely 532.1 rpm at no load and at a load of 15 watts the rotation decreases to 227.1 rpm. The highest voltage produced is 27.1 Volts when there is no load and when the load is 15 watts it is 8.9 Volts. while the current and power are 0.64 Ampere 5.70 Watt respectively, so that the highest efficiency is produced in a turbine with a screw spacing of 12 cm at a turbine head angle of 40 , namely 10.10%.
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Ubando, Aristotle T., Isidro Antonio V. Marfori, Marnel S. Peradilla, Charlle L. Sy, Andre Marvin A. Calapatia, and Wei-Hsin Chen. "Sustainable Manufacturability of Archimedes Screw Turbines: A Critical Review." Journal of Manufacturing and Materials Processing 6, no. 6 (2022): 161. http://dx.doi.org/10.3390/jmmp6060161.
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Archimedes screw turbines are considered a new technology in small- or microscale hydropower. Archimedes screw turbines are easy and practical to operate. However, their manufacturing presents some challenges owing to their screw-shaped design. Most of the previous works on Archimedes screw turbines focused on the turbines’ design, while limited studies were found on their manufacturing processes. In addition, no review work was found on the manufacturability of the Archimedes screw turbine. Hence, this work aims to address this gap by reviewing the various manufacturing methods of Archimedes screw turbines. Moreover, one of the objectives of the study is to assess the sustainable manufacturability of the Archimedes screw turbine. The results show that Archimedes screw turbines are mainly manufactured using conventional manufacturing methods for larger turbines and 3D printers for relatively smaller ones. Traditional methods of manufacturing entailed high skill proficiency, while 3D-printing methods for Archimedes screw turbines are still in their early developmental stages. Sustainable assessment studies have identified additive manufacturing as having a relatively lower environmental impact than conventional manufacturing on turbine blades. These trade-offs must be accounted for in the design and development of Archimedes screw turbines. Moreover, integrating sustainability assessment and the employment of Industry 4.0 enables the smart production and sustainable assessment of AST manufacturability.
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Dziedzic, Michał, Robert Stanislaw Kasperek, and Marian Mokwa. "Screw turbine in small hydropower." Acta Scientiarum Polonorum. Formatio Circumiectus 23, no. 1 (2024): 87–100. http://dx.doi.org/10.15576/asp.fc/176499.
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Cel pracy W pracy przedstawiono obszary małej energetyki wodnej, w której wykorzystywane są turbiny Archimedesa. Opisano aspekty przemawiające za rozwijaniem i potrzebą powstawania kolejnych małych elektrowni wodnych z turbozespołami Archimedesa. Przedstawiono przegląd wybranych istniejących na terenie Polski obiektów wykorzystujących to rozwiązanie, a także opisano zagadnienia związane z ich eksploatacją. Pokazano przykłady wariantowe, autorskie rozwiązań różnych układów turbina-przepławka. Materiał i metody Na podstawie dostępnej literatury oraz materiałów źródłowych, a także wykonanej inwentaryzacji istniejących małych elektrowni wodnych (MEW) z turbinami Archimedesa sporządzono przegląd tych obiektów. Prace autorów nad własnymi rozwiązaniami prowadzone są w oparciu o obserwacje, wiedzę oraz doświadczenie. Przedstawiono koncepcje nowych i innowacyjnych rozwiązań, łączących cele energetyki wodnej oraz ochrony środowiska. Trwające prace rozwojowe i udoskonalające projektowanych układów turbina-przepławka pozwolą w niedługim czasie na wdrożenie tych konstrukcji na planowanych obiektach. Wyniki i wnioski Przeprowadzenie szerokiego przeglądu małych elektrowni wodnych wyposażonych w turbiny Archimedesa pokazuję jak duże zainteresowanie budzi rozwój i zastosowanie tej technologii w energetyce wodnej. Urządzenia te mają wiele zalet środowiskowych. Autorzy pracują nad własnymi rozwiązaniami opartymi na klasycznej turbinie Archimedesa zintegrowanej z śrubową przepławką dla ryb. Prowadzone przez autorów prace dążą do udoskonalenia tradycyjnych małych elektrowni wodnych wyposażonych w turbiny Archimedesa i poprawy warunków środowiskowych w zakresie swobodnej migracji organizmów wodnych.
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Rahmawaty, Rahmawaty, Suherman Suherman, Surya Dharma, and Ali Sai'in. "Kajian Eksperimental pada Turbin Screw Archimedes Skala Kecil." Jurnal Rekayasa Mesin 17, no. 1 (2022): 95. http://dx.doi.org/10.32497/jrm.v17i1.3065.
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<p>The number of rivers and canals in most parts of Indonesia is large enough to be developed into a micro-hydro power plant. The Archimedes srcew turbine (Archimedes scew turbine AST) has been implemented to convert hydroelectric energy since the 1990s. Many variables affect the performance of Archimedes screw turbines such as pitch ratio, immersion rate, water flow and turbine shaft angle. The purpose of this study was to determine the effect of the turbine shaft inclination angle (25-35<sup>o</sup>) on the rotation, current and voltage produced by the screw turbine. The screw turbine has a diameter of 260 mm with a shaft length of 1200 mm and a pitch distance of 200 mm. The flow rate of water is used at 0,0065 m<sup>3</sup>/s to rotate a low speed generator. The results showed that the higher the turbine shaft angle resulted in an increase in rotation, voltage and current produced. The optimum angle is obtained at a turbine angle of 35o which produces 2,058 Watts at 243 rpm.</p>
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Setiawan, Y., E. S. Wijianti, B. S. Wibowo, S. Saparin, and P. Prayitnoadi. "Experimental investigation of Archimedes Screw Hydro Turbine rotation with and without deflector." IOP Conference Series: Earth and Environmental Science 926, no. 1 (2021): 012013. http://dx.doi.org/10.1088/1755-1315/926/1/012013.
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Abstract The Archimedes screw water turbine (AST) is a device that works mechanically to produce electrical energy with an energy source that comes from the flow of water. Archimedes screw hydro turbines operate at low head and flow rates and can generate electricity at micro levels. This type of turbine is very suitable for use in small waters such as irrigation and rivers. The research was conducted by building a prototype of a small-scale Archimedes screw hydro turbine with and without deflector. The purpose of this research is to compare the rotation produced by the two turbines and whether the installation of a deflector can improve turbine performance. The turbine is constructed with a screw length of 1 m, outer diameter is 30 cm, the number of blades 15, and each has a pitch distance is 13 cm. Turbine angle variations are 30°, 35°, and 40°. The results showed that the best rotor rotation was produced by the screw without deflector at an angle of 30°. This shows that the addition of a deflector reduces the resulting screw rotation.
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Wang, Haijun, Shengxu Wang, Pu Xue, Yongxin Guo, and Liang Jiang. "Damage Mechanism Analysis of the Connecting Screw of Turbine Disk-Drum Assembly." Machines 12, no. 7 (2024): 489. http://dx.doi.org/10.3390/machines12070489.
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The turbine disk-drum is one of the key components of an aero-engine and its assembly is connected with high-strength refined screws. But due to the uncoordinated rotation and deformation, the screws have abnormal wear damage. Through detailed contact stress analysis of screw body and component level using the finite element method, combined with experimental observation, the mechanism of wear damage of screw surface in screws is determined. It mainly includes the following: Firstly, the finite element method is used to calculate the deformation and stress distribution of the connecting screw of the turbine disk-drum assembly. Then, after the overspeed test, the morphology of the screws disassembled from the disk-drum assembly is evaluated. It was found that the wear degree in the circumferential direction and axial direction of the screw was quite different, that is, the screw wear experiment was consistent with the finite element analysis results. Finally, the influence of different rotation states and screw tightening states on screw wear was compared and analyzed. Conclusions obtained in this paper will be helpful to improve the assembly reliability of turbine drum.
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Anwar, Zainuri, Beta Saud Parsaroan, and Edi Sunarso. "Rancangan Bangun Turbin Mikrohidro Tipe Archimedes Screw Dengan Kapasitas Daya 560 Watt." Journal of Electrical Power Control and Automation (JEPCA) 4, no. 1 (2021): 29. http://dx.doi.org/10.33087/jepca.v4i1.43.
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The performance of a micro-hydro turbine was influenced by several factors, namely the design and the enviromental. This study aims to obtain the appropriate design parameters for the manufacture of screw turbines. This research was focused on blade dimensions and turbine screw pitch distance. The calculations were performed using several screw turbine fixing formulations. The design results show that the optimum blade diameter and turbine pitch range are 0.213 m and 0.312 m at 0.2 m3 / s of turbine inlet water flow and 563.3 Watt turbine shaft output power. The turbine screw test results of the design were carried out in the river flow of Puri Kedaton Housing, Pematang Gajah Village, Rt 13, Jambi Province. The test results show that the highest turbine power occurs at 30 kg shaft loading with a turbine output power of 445 Watts and an efficiency of 78.9%.
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Yusupova, Feruza Turdaliyevna, and Minavorxon Mamasoliyevna Nishonova. "DEVELOPMENT OF A 3D MODEL OF ARCHIMEDES SCREW WATER TURBINE." Multidisciplinary Journal of Science and Technology 4, no. 5 (2024): 468–72. https://doi.org/10.5281/zenodo.11283586.
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Water turbines are considered important for producing electricity from water energy. The article develops a 3D model of an Archimedean screw turbine. Based on this model, it was possible to develop the design of a screw turbine.
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Syam, Irwansyah, Muhammad Ilham Maulana, and Ahmad Syuhada. "Design and Performance of Archimedes Single Screw Turbine as Micro Hydro Power Plant with Flow Rate Debit Variations (Case Study in Air Dingin, Samadua - South Aceh)." Jurnal Inotera 4, no. 1 (2019): 13. http://dx.doi.org/10.31572/inotera.vol4.iss1.2019.id71.
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Renewable energy is energy derived from nature and can be produced continuously such as water energy as a micro hydropower plant. The development of a micro hydropower plant is to utilize the potential energy of water flow that has a certain head and discharge to be converted by turbines and generators into energy electricity that can be used in the development of Archimedes Single Screw Turbines. Archimedes Single Screw Turbine is a type of turbine that is capable of operating with low head 1-15 meter in river flow and irrigation. Aceh is one of the regions that have a large amount of water energy potential to be used as energy driving water turbines. The purpose of this study is to design, make Turbine Archimedes Single Screw construction and conduct turbine testing and determine the performance of Archimedes Single Screw Turbine based on the effect of water flow discharge on rotation, torque, power, and optimum efficiency so that it can determine the right turbine design and performance well. Archimedes Single Screw turbine is made with 201 stainless steel which has dimensions of N = 1 blade (Ro= 130 mm, Ri = 70 mm) with pitch 2Ro, Turbine length (L = 2 m), head = 1 m, Angle θ = 300. The variables measured and observed are the rotation of the turbine, torque, and flow rate. Tests were carried out on 3 variations of flow rate, namely 0.02 m3/s, 0.009 m3/s, and 0.003 m3/s. The test results, the highest rotation, and turbine power occur at flowrate 0.02 m3/s at 236.40 rpm with a power of 116.10 watts and maximum turbine efficiency is 57%. Thus, the turbine with maximum power and efficiency is obtained when the flow rate is 0.02 m3 /s.
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KRISTYADI, TARSISIUS, REZA ADITYA, and PRAMUDA NUGRAHA. "Pengembangan Governor Elektrik Berbasis Arduino sebagai Sistem Kontrol Turbin Air Screw." ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika 8, no. 3 (2020): 533. http://dx.doi.org/10.26760/elkomika.v8i3.533.
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ABSTRAKSuatu sistem PLTMH bertipe turbin screw telah direalisasikan di desa Ciherang, Banjaran Jawa Barat. Tetapi putaran turbin dan generator tidak dapat stabil, karena pembebanan pada generator selalu berubah-ubah. Oleh karena itu diperlukan sebuah sistem kontrol yang dapat menjaga putaran turbin pada kisaran 30 rpm dan putaran generator pada kisaran 1500 rpm. Pada paper ini dikaji pengembangan sistem kontrol turbin air tipe screw, menggunakan governor elektrik. Perangkat governor elektrik ini berbasis Arduino, yaitu Arduino Mega 2560 dan Arduino Uno yang dilengkapi sensor putaran, dan motor listrik sebagai aktuator yang menggerakkan sebuah pintu air untuk mengatur bukaan bucket. Arduino Mega 2560 berfungsi sebagai microcontroller sedangkan Arduino Uno berfungsi sebagai pengatur pembukaan pintu. Hasil pengujian system menunjukkan bahwa system dengan Arduino ini dapat mengatur putaran turbin dan generator sehingga mencapai 1500 rpm dengan toleransi 5%. Dengan demikian dapat disimpulkan bahwa governor elektrik berbasis Arduino dapat diterapkan pada pengaturan putaran turbin screw.Kata kunci: turbin screw, sistem kontrol,governor elektrik, arduino ABSTRACTA microhydro based on screw turbine type has been realized in Ciherang village, Banjaran, West Java. But operation of the turbine and generator are unstable, due to load fluctuation. The system need a control system that can keep the turbine rotation in the range of 30 rpm and the rotation of the generator in the range of 1500 rpm. In this paper study of the development of screw turbinecontrol system based on electric governor is presented. This electric governor is based on Arduino namely Arduino Mega 2560 dan Arduino Uno and equipped with a generator speed sensor send and electric motor as an actuator to adjust the opening of the bucket. The system test results show that the controller based on Arduino can adjust the turbine and generator rotation so that it reaches 1500 rpm with a tolerance of 5%. Thus it can be concluded that Arduino-based electrical governors can be applied to control screw turbine speed.Keywords: screw turbine, control system, digital governor, arduino
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Maulana, Muhammad Ilham, Ahmad Syuhada, Deendarlianto Deendarlianto, Syafiie Syam, and Fikri Fiqi Aulia. "Numerical Investigation of Archimedes Screw Turbines under Low-Head Conditions." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 122, no. 1 (2024): 43–55. http://dx.doi.org/10.37934/arfmts.122.1.4355.
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The development of screw turbines for micro-hydro power generation has garnered heightened interest lately, attributed to their capability to perform efficiently despite low head and low discharge. The present numerical work aims to evaluate the prospect of low-head water energy widely available in the Aceh region. In this region, the Archimedes Screw turbine is the most commonly used. In the present numerical study, the characteristics of the Archimedes screw turbine were studied under the constant of the head of 1 meter and the inclination angle of 30o, with the flow rate served as the varying parameter. In the simulation, a three-dimensional numerical investigation of pressure characteristics, flow velocity, and kinetic energy turbulence due to the change in the flow rates was carried out using the Navier-Stokes equations. Next, the turbulence model of K-Epsilon was also implemented. The comparisons between the experimental and the simulation results were carried out to ensure the accuracy of the simulation model, and the results indicated that the changes in flow rates have a marked influence on pressure distribution, the flow velocity field, and turbulent kinetic energy. It was found that the performance of the Archimedes double screw turbine was improved by increasing the flow rate due to the uniform distribution of pressure, flow velocity, and turbulent kinetic energy. Moreover, the optimum condition was achieved in a turbine with 8 screws. Therefore, maintaining the inflow rate is crucial as it significantly impacts the efficiency of the Archimedes Screw Turbine.
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Hedia, Ahmed Ibrahim, Ehab Mina Mouris, and Omar Shehata. "Design and analysis of Analytical Model of an Archimedes Screw Turbine." International Journal of Advances in Scientific Research and Engineering 08, no. 07 (2022): 58–67. http://dx.doi.org/10.31695/ijasre.2022.8.7.5.
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For centuries, Archimedean screws have been used to pump water, but mainly for that purpose. In recent decades, there has looked to be an increase in interest in using them as hydro turbines to produce electricity. While Archimedean screws are highly adapted that are used as pumps, research is currently being conducted to determine the characteristics that provide the highest performance when used as turbines. This study provides a simple but effective method for designing an Archimedean screw that may be used as a turbine. The methods for estimating the screw's outer diameter and efficiency are the most essential ones implemented in this study. The optimum of the power produced is the requirement applied for determining diameter. The diameter must be calculated by estimating the volume of the water buckets that develop between the screw blades. Although an analytical formula for this volume is nearly hard to discover, a rough approximation may be easily found. This preliminary estimate is then corrected using regression of data from turbines that are already operating at high efficiency. Finally, the rotational speed is then calculated depending on whether the rated discharge can pass through the turbine at the specified speed.
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Muhammad Amin Sabe. "Archimedes Screw Turbine Design for Low-Head River: As a Pico-Hydro Power Generator for Electric Vehicle Charging." Communications on Applied Nonlinear Analysis 32, no. 10s (2025): 19–39. https://doi.org/10.52783/cana.v32.4661.
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One kind of turbine that capable to run with a low head of less than 1 meter is the Archimedean screw turbine. Its operational efficiency can reach 70%, and most importantly, it is also ecologically beneficial. The main function of an Archimedean screw turbine is to transform the moving water’s potential energy into mechanical energy. The research uses Matlab software version R2021a to analyze the design of the turbine analyzing the dimensions of the Archimedean screw turbine with the output power needed to supply the battery of an electric vehicle with a minimum input power of 2,200 watts. The research aims to analyze the factors that influence output performance, and the parameters that influence the the Archimedean screw turbine’s performance in supplying the electric vehicle battery. The findings of the study demonstrate that the dimensions of the Archimedean screw turbine design with a head of 1 meter produce an output power of 465.47 watts for one unit of the turbine, to supply the battery of an electric vehicle it requires five units of the Archimedean screw turbine connected in parallel to produce an output power of 2,327 watts or 2.3 kW. This research plays a crucial role in the development of renewable energy. Air pollution from vehicle emissions is one of the largest contributors to carbon pollution. With this research, it is possible to reduce carbon emissions from vehicles, especially in cities with low-head river streams, where these river streams can generate small-scale hydropower electricity using Archimedes screw turbines to supply electric vehicle batteries.
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Akbar, Dimas Jalalludin, Stenly Tangkuman, and Benny L. Maluegha. "PERANCANGAN TURBIN AIR ARCHIMEDES SCREW DAN GEARBOX UNTUK PEMBANGKITAN ENERGI LISTRIK." Jurnal Tekno Mesin 10, no. 1 (2024): 90–95. http://dx.doi.org/10.35793/jtm.v10i1.55827.
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The performance of a microhydro turbine is influenced by several factors such as the design process and the environment. The Archimedes screw is chosen for its excellence in converting the kinetic energy of the flow into mechanical energy in low-flow conditions. This research aims to design the Archimedes screw, gearbox, and calculate the generated power. The design methodology includes turbine design, flow simulation, and stress simulation. Additionally, the gearbox is designed to optimize the resulting rotation. The design results indicate that a turbine with a diameter of 0.45 m can operate at an average speed of 4 m/s, resulting in a turbine rotation speed of 169 rpm and a power output of 5076 watts. By using a generator efficiency value of 95%, the power output generated by the generator is 4822 watts. Keywords: Archimedes screw, Gearbox, Power ABSTRAK Kinerja dari sebuah turbin mikrohidro dipengaruhi oleh beberapa faktor seperti proses perancangan dan lingkungan. Archimedes screw dipilih karena keunggulannya dalam mengubah energi kinetik aliran menjadi energi mekanis pada aliran yang kecil. penelitian ini bertujuan merancang Archimedes screw, gearbox serta menghitung besar daya yang dapat dibangkitkan. Dengan menggunakan metode perancangan yang meliputi desain turbin, simulasi aliran, dan simulasi tegangan. Selain itu gearbox juga dirancang untuk mengoptimalkan putaran yang dihasilkan. Hasil desain menunjukkan bahwa turbin dengan diameter 0.45 m dapat beroperasi dengan kecepatan rata-rata 4 m/s menghasilkan kecepatan putaran turbin 169 rpm, dan daya yang dihasilkan sebesar 5076 watt. Dengan menggunakan nilai efisiensi generator yaitu sebesar 95% maka daya output yang bangkitkan oleh generator adalah 4822 watt. Kata Kunci : Archimedes screw, Gearbox, Daya.
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Herba, Oleksandr Volodymyrovych. "SCREW-TYPE TURBINES: INNOVATIONS IN ENERGY FACILITY CONSTRUCTION." Collection of Scientific Works of the Ukrainian State University of Railway Transport, no. 211 (March 28, 2025): 50–59. https://doi.org/10.18664/1994-7852.211.2025.327108.
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Screw-type turbines play a significant role in the development of modern energy systems. Their unique design features ensure optimal utilization of water or air flows passing through the turbine, enhancing efficiency compared to screw-type analogs. This article examines the primary design characteristics of screw turbines and their potential for integration into energy facilities construction. Special attention is given to the advantages of screw turbines, where, due to their thoughtfully conceived design, they demonstrate higher effectiveness in converting kinetic energy from liquids and gases into mechanical rotational energy. This design provides optimal operating conditions for applications involving low head differences (from 1 meter) and low flow rates (starting from 0.5 m³/s). The focus is on the enhanced operational characteristics of screw-type turbines compared to traditional screw analogs.Research results confirming the efficiency of the new blade design incorporating notches in the housing are presented. This construction aids in the natural movement of fluids and air in line with the principles of Schauberger's theories. The design features, including the formation of notches in the housing, facilitate the optimization of flow, reduce friction, and increase torque. Additionally, thanks to the flywheel effect, screw turbines are capable of energy storage, ensuring stable operation while minimizing mechanical vibrations within the system. The article also explores the application possibilities of screw turbines in the construction of energy facilities, particularly small hydroelectric power plants.Proposed solutions contribute to the improved efficiency of utilizing natural resources under varying environmental conditions. Future research will focus on a more in-depth assessment of the efficiency of these innovations and the adaptation of turbine designs for various operational settings. This underscores the importance and feasibility of employing screw turbines in contemporary construction and energy sectors. By adopting these advanced turbine designs, we can accelerate the transition to more sustainable energy solutions while maximizing the effectiveness of renewable energy sources. The integration of screw turbines offers a promising approach towards achieving greater energy efficiency and environmental sustainability in modern infrastructure projects.
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Antipov, Pyotr, Sultanbek Issenov, Marat Koshumbayev, Marat Auelbek, Gulim Nurmaganbetova, and Dauren Issabekov. "Regulation of the power of a wind turbine of a special design by changing the length of the blades." Eastern-European Journal of Enterprise Technologies 4, no. 8 (130) (2024): 31–41. http://dx.doi.org/10.15587/1729-4061.2024.310514.
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The object of this research is a model of a wind turbine with retractable blades. This model allows for the adjustment of the turbine’s screw radius by extending or retracting the blades, providing a basis for examining the impact of blade radius on turbine performance. The primary problem addressed by this study is to determine how changes in the screw radius, achieved by altering the blade length, affect the wind turbine’s performance, specifically its electrical output (voltage and current) and rotational speed, under constant wind conditions. The experimental results showed that when the turbine blades are fully extended (R1), the wind turbine generates higher voltage and current compared to when the blades are retracted (R2). This confirms that the turbine’s electrical output is significantly influenced by the screw radius. These results are explained by the aerodynamic principles governing wind turbines. An increased screw radius allows the turbine blades to capture more wind energy, leading to greater force applied to the blades, thus increasing the rotational speed and the amount of electrical energy generated. The linear relationship between the screw radius and the turbine’s performance was as summed to simplify the analysis, though the actual relationship may be more complex. The finding soft its study can be practically applied in the design and operation of wind turbines. Turbines with adjust table blade lengths can optimize performance across varying wind conditions, maximizing efficiency and power output. These results are particularly useful in environments where wind speed is variable, as turbine scan adjust their blade radius to maintain optimal performance. The study assumes consistent wind conditions and uniform air flow for the results to be accurate, so these conditions should be considered when implementing the findings in real-world scenarios
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Erinofiardi, Erinofiardi, Ravi Koirala, Nirajan Shiwakoti, and Abhijit Date. "Sustainable Power Generation Using Archimedean Screw Turbine: Influence of Blade Number on Flow and Performance." Sustainability 14, no. 23 (2022): 15948. http://dx.doi.org/10.3390/su142315948.
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Hydropower has been one of the mature renewable energy systems encompassing a major fraction of renewable energy. Archimedean screw turbines are gaining new interest in hydropower generation that are suitable for low head applications. This paper empirically and experimentally studies the flow inside Archimedean screw turbines along with the influence of blade numbers on their performance. The major objective of this work is to investigate performance and conduct design optimization of a screw turbine operating under ultra-low head (<0.2 m) conditions. Experimentally verified empirical results show its reliability in estimating the performance of turbines at low operational speeds. Further, the results show that with the increasing number of blades, the efficiency and power generation capacity can be increased, but the overall performance improvement relative to one blade turbine peaks at around 7 blades. Increasing the power generation capacity can in turn make the turbine compact and could be fabricated at a low-cost.
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Wahyu Indra Wedanta, I. Putu, Wayan Arta Wijaya, and Lie Jasa. "ANALISA PENGARUH KEMIRINGAN HEAD DAN VARIASI SUDUT BLADE TURBIN ULIR TERHADAP KINERJA PLTMH." Jurnal SPEKTRUM 8, no. 1 (2021): 73. http://dx.doi.org/10.24843/spektrum.2021.v08.i01.p9.
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Bali has many waterfalls which can be used as Micro Hydro Power Plant (MHPP). Ituses 2 types of turbines, one of them is screw turbine or Archimedes screw. Screw turbine isstill rare, therefore a MHPP modeling needs to be made to obtain specific data. This study willdiscuss the analysis of the influence of the Head Slope and the Variation of the Angle of theBlade of Turbine to Performance of the MHPP, to determine the torque, turbine rotation,voltage, current, power and rotation produced by the generator. Best measurement results onthe slope of the head 400 and variations in blade angle 280. Voltage, current and powerobtained by 73.8 V, 148.9 A and 10.98882 W. At the turbine speed before coupling, thegenerator is obtained 596 rpm and 304 rpm after coupling, while the generator rotation is 3863rpm. The resulting torque and efficiency are 0.3492 Nm and 14.16%.
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Purece, Cristian, and Lilica Corlan. "Archimedean screw as fish-friendly turbines for harnessing hydropower potential." E3S Web of Conferences 286 (2021): 02007. http://dx.doi.org/10.1051/e3sconf/202128602007.
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Hydraulic energy is one of the most important sources of renewable energy today. It is also a complementary source to other renewable energy sources, being the only one that offers an important nonpolluting storage capacity (through pump storage facilities). Another essential quality of hydraulic energy is its ability to regulate the energy system to allow the integration of other sources, in which the process of generating energy depends on factors that cannot be controlled (sun, wind, etc.). However, hydropower plants can damage ecosystems, especially by affecting fish within their turbines. Usually, fish cannot pass unharmed through most of the turbines. The main exceptions generally include some low head (below 8 m) turbines, such as the Very Low Head (VLH) turbine and the screw turbine, but lately strategies have also been developed for high head hydropower plants such as: fish passage facilities and fish friendly turbines such as Alden turbine, Minimal Gap Runner turbine (MGR). However, this article only deals with screw-type turbines, low-head fish-friendly turbines and how to implement them in order to obtain sustainable green energy.
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Khamdi, Nur. "Efesiensi Daya Pada Turbin Screw Dengan 3 Lilitan Terhadap Jarak Pitch." Jurnal Elektro dan Mesin Terapan 2, no. 2 (2016): 24–31. http://dx.doi.org/10.35143/elementer.v2i2.87.
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Energi air adalah salah satu jenis energi terbarukan, yang dapat diartikan sebagai energi yang dibangkitkan dari energi potensial atau energi kinetik air. Biasanya energi kinetik atau energi potensial air dikonversikan menjadi energi listrik, melalui alat konversi (turbin dan generator) yang kemudian di distribusikan. Turbine type screw akan menghasilkan perputaran akibat dari aliran air yang mengalir disekitar screw. Dimensi turbin screw yang di buat menggunakan plat 3 mm, diameter poros screw 20 cm (Ri) dan diameter screw 40 cm atau diameter luar (R0). Dan trubin screw yang di uji sebanyak 3 turbin screw dengan perbedaan pitch. Jarak pitch yang digunakan adalah 1,6 R0, 2 R0 dan 2,4 R0. Pada penelitian ini menghasilkan effesiensi daya untuk masing – masing turbin dengan jarak antar pitch berbeda yaitu effesiensi daya untuk turbin screw dengan pitch 2,4 R0 adalah 55,63%, untuk turbin screw dengan pitch 2 R0 adalah 64,8% dan untuk turbin screw dengan pitch 1,6 R0 adalah 64,9%.
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Yandra, Fadli Eka, and S. Umar Djufri. "Studi Awal Pemanfaatan Turbin Screw pada Aliran Sungai Kecil di Kota Jambi." Journal of Electrical Power Control and Automation (JEPCA) 2, no. 2 (2020): 29. http://dx.doi.org/10.33087/jepca.v2i2.28.
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The use of archimedes screw has shifted its use from pumps to a source of hydropower at low heads as water turbines. Archimedes srew turbine performance is influenced by several parameters including turbine submersion level, turbine tilt angle, pitch ratio, and number of blades. The contour of the lowland Jambi city that is passed by the Batanghari watershed makes the drainage potential can be utilized to become a small-scale hydroelectric power plant using screw turbines, because the contour of Jambi City is low, resulting in small water pressure although the discharge is sometimes large due to the overflow of the Batanghari river, then the choice of turbine with a low head is the solution, in this study, a study was made to calculate the potential drainage flow in the city of Jambi, whether it can be used or not.
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Basri, Muhammad Hasan, Ahmad Muhtadi, and Darul Hasan. "Design of a Laboratory Scale Archemedes Screw Turbine Model Hydroelectric Power Station (PLTA) Simulator." Jurnal Ilmiah Teknik Elektro Komputer dan Informatika 9, no. 3 (2023): 558–70. https://doi.org/10.26555/jiteki.v9i3.26309.
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The purpose of this research is to design a new model simulator of the Archimedes Screw turbine on a laboratory scale which is simple, inexpensive, environmentally friendly and for practice at the Electrical Engineering Laboratory of Nurul Jadid University by studying the efficiency of the Archimedes turbine which utilizes kinetic energy. water flow energy from the difference in upstream-downstream water head. Methods used numerical simulations have been run to evaluate the performance coefficient of the turbine alone (without friction loss or blockage augmentation), and to extend the TSR range. Numerical simulations make it possible to generate efficiency curves of Archimedes Screw turbines in both parallel and inclined configurations. The result obtained is that the proposed geometry can be used in real-life applications, providing 0.5 kW at flow velocities between 1 and 2 m/s. Novelty of hydropower simulation studies of the Archimedes turbine screw model using numerical simulation methods.
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Suyanto, M., Syafriudin Syafriudin, Anas Cahyo Nugroho, Prasetyono Eko P, and Subandi Subandi. "Perancangan sistem Pembangkit Listrik Pico Hydro Putaran Rendah Menggunakan Turbin Screw." Journal of Electrical Power Control and Automation (JEPCA) 4, no. 1 (2021): 15. http://dx.doi.org/10.33087/jepca.v4i1.47.
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Kinerja sebuah screw turbine dipengaruhi oleh parameter-parameter yang terkait dalam perancangan screw turbine itu sendiri. Salah satu parameter penting dalam perancangan screw turbine adalah pitch atau jarak periode dari sebuah sudu (blade), sudut kemiringan, putaran dan debit air Kebutuhan akan energi listrik saat ini dirasakan sangatlah penting, baik untuk kebutuhan rumahan, maupun untuk kebutuhan industri yang semakin hari semakin berkembang, sementara unit–unit pembangkit listrik yang ada hampir tidak mengalami peningkatan yang signifikan. Indonesia mempunyai potensi energi terbarukan yang cukup banyak untuk dimanfaatkan salah satunya energi air. Potensi ini belum bisa dimanfaatkan secara optimal karena keterbatasan teknologi turbin dalam memanfaatkan energinya. Untuk head dan debit yang sedang hingga tinggi saat ini masih mengandalkan turbin Pelton, Francis, Kaplan, dan Crossflow. Sedangkan untuk head yang rendah masih sulit untuk dikembangkan, padahal di Indonesia mempunyai potensi yang sangat besar. Dalam pengujian PLTPH menggunakan turbin screw didapatkan hasil tertinggi dengan tegangan 129,2 V AC dengan arus beban tertinggi hingga 0,65 sedangkan ampere generator sebesar 1,79 Ampere yang mampu digunakan untuk beban hingga 180 W pada tegangan 75,5 Volt AC pada ketinggian air 80 Cm, dan pada keadaan tegangan terendah menghasilkan 80,6 Volt AC dengan ampere beban 0,15 dan Ampere generator sebesar 0,42 Ampere yang dapat dibebani dengan lampu 20 Watt pada ketinggian air 70 Cm.
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Zaira, Jupri Yanda, and Oloan Rinaldi Naibaho. "Rancang Bangun Pembangkit Listrik Pikohidro Menggunakan Turbin Screw Pada Aliran Danau PCR." Jurnal Teknik Mesin 16, no. 1 (2023): 1–8. http://dx.doi.org/10.30630/jtm.16.1.851.
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Picohydro is a power plant that produces 5 kW of power which consists of 3 components, namely air flow, turbine, and generator to convert maximum energy into electrical energy. Picohydro is an alternative power plant as a substitute for fossil fuel power plants (diesel and gasoline). The PCRlake flow has a flow of 0.019 m3/s which can be used as a potential source of energy to generate electricity, where the tools used are screw turbines, V-belt transmission, and DC generators. The results of the design of the screw turbine that are made have a turbine length specification of 1,140.5 mm, an outside diameter of 419.4 mm, an inside diameter of 225 mm, a turbine pitch of 503.2 mm, a number of blade turns 2 pieces, a turbine angle of 26o, a thread angle of 21o, and a head of 0.5 m. For the transmission, there are 2 type A -V belts that connect the turbine rotation to the DC generator rotation. The results obtained that the theoretical power available in the PCR lake flow is 95.01 watts. The average rotation produced by the 1,398 rpm generator is able to stably turn on as many as 6 DC lamps with a total load of 60 watts. By testing the DC lamp load, a total load of 60 watts produces a generator power of 29.14 watts, a screw turbine power of 34.08 watts. By testing using a braking system at turbine rotation it produces a maximum torque of 13.12 Nm with a screw turbine power of 46.70 watts and a turbine mechanical efficiency of 49.16%.
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Adiwidodo, Satworo, and Masrur Maulana Ahmad. "The Effect Of Pitch Ratio On Screw Turbine Performance With Tip Fin." Jurnal Teknologi 16, no. 1 (2024): 75. http://dx.doi.org/10.24853/jurtek.16.1.75-82.
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A water turbine is an energy conversion machine that converts water head into shaft movement. In screw-type turbines, performance is influenced by several parameters including outer diameter, inner diameter, rotor length, head angle, number of blades, and pitch distance. This research uses a screw turbine type with a tip fin. The research aims to determine the performance of screw turbines with tip fins on mechanical power and efficiency. The research independent variables consist of pitch ratio and flow rate. The pitch ratio variations used are 1.2; 1.4 and 1.6 while the variations in flow rate used are 3 l/s, 3.5 l/s, and 4 l/s. The method used in this research is experimental. This study's data analysis employed the two-way Anova method with an alpha (α) of 5%. Anova's results show that the P-value of the interaction of the two independent variables, pitch ratio and water discharge, is <0.05, meaning that the independent variables have a significant influence on the performance of the screw turbine. The highest turbine performance results were at a pitch ratio of 1.4 at a water flow rate of 4 l/s resulting in an efficiency value of 34.91% and a mechanical power value of 6.82 watts at a rotational speed of 125 RPM. The lowest turbine performance results at a pitch ratio of 1.2 with a flow rate of 3 l/s resulting in an efficiency of 22.64% and a mechanical power of 3.32 watts at a rotational speed of 56 RPM.
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Kodirov, Dilshod, Alisher Davirov, Abror Shukuraliev, Jakhongir Normuminov, Tuychi Juraev, and Bahadir Suropov. "Modeling of design parameters of a screw turbine for a microhydro power plant." E3S Web of Conferences 563 (2024): 01007. http://dx.doi.org/10.1051/e3sconf/202456301007.
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Microhydroelectric power plants with screw turbines operating on low-pressure watercourses represent a new form of small-scale hydropower. Modeling of the design parameters of a micro-hydroelectric power station with two parallel screw turbines operating in low-pressure water flows, and the optimal values were determined. The purpose of the conducted scientific research is the screw turbine outer diameter (Do), inner diameter (Di), total length of the screw (L), the number of blades (N), the angle of inclination of the screw (𝛽), the length of one revolution of the blade (S), the height (H) of the pressure generator is to increase the efficiency of the impact on the number of revolutions, torque and mechanical power based on the correct selection of optimal options.
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Syam, Irwansyah. "Performance Analysis of the Archimedes Double Screw Turbine as a Micro Hydro Power Plant with Varying Flow Rate." Jurnal Inotera 8, no. 2 (2023): 417–32. http://dx.doi.org/10.31572/inotera.vol8.iss2.2023.id290.
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Samadua is an area in South Aceh Regency which has a lot of water energy potential to be used as energy to drive water turbines. The potential for water energy, it is necessary to develop renewable energy power technology, namely micro hydro power plants that can be utilized by the community. The type of water turbine that is suitable for application in the area that have water potential with low head and discharge is the Archimedes Double Screw Turbine. The Archimedes double screw turbine is a type of turbine that capable of operating with a low head of 1-15 m in river flows and irrigation and has the advantage of being environmentally friendly. The aim of this research is to design and manufacture an Archimedes Double Screw turbine that is appropriate and in accordance with the real conditions in the stream of Samadua river, -South Aceh, then analyze the influence and determine the torque ratio on the performance of the Archimedes Double Screw Turbine by measuring rotation speed, torque, power and efficiency based on variations in river flow rate. The Archimedes Double Screw turbine is made from 201 stainless steel which has dimensions of N = 2 blades (= 260 mm, = 140 mm) with a pitch of 2Ro, turbine length (L = 2 m), head = 1 m, angle θ = 300. The variables measured and observed are turbine rotation, torque, and flow rate. Tests were carried out on 3 variations of flow discharge, namely 0.02 m3/s, 0.009 m3/s, and 0.003 m3/s. The test results showed that the highest turbine rotation and power occurred at a flow rate of 0.02 m3/s of 292.10 rpm and 122.20 watts and the maximum turbine efficiency was 62%. Thus, the turbine with maximum power is obtained when the flow rate is 0.02 m3/s, while the turbine with maximum efficiency is obtained when the flow rate is 0.02 m3/s. For the numerical simulation results, the optimum pressure distribution value is 4.873 kPa and the minimum is 0.1536 kPa, so the comparison of the experimental results with the numerical simulation is that the numerical simulation optimum torque value is 2.50 N/m and the experimental optimum torque value is 2.00 N /m.
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Cahyono, Gunawan Rudi, Apip Amrullah, Pathur Razi Ansyah, and Rusdi Rusdi. "PENGARUH SUDUT KEMIRINGAN TERHADAP PUTARAN DAN DAYA HIDROLISIS PADA TURBIN ARCHIMEDES SCREW PORTABLE." Jurnal Rekayasa Mesin 13, no. 1 (2022): 257–66. http://dx.doi.org/10.21776/ub.jrm.2022.013.01.25.
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Picohydro Power Plant is one of the renewable energy sources which utilizes water or irrigation channels with a small head and flow rate. Many factors can affect the hydrolysis power and also the power on the rotation of the screw turbine, one of which is the turbine design. The existing turbine design needs to be evaluated by several factors such as inner and outer screw diameters, slope, screw pitch, number of blades and condition of inlet and outlet as well as head and water flow. Moreover, if the turbine is designed for a portable one with a length of approximately only 1 meter. These factors indicate that the design of each screw turbine design needs to be optimized through data analysis to find the optimal hydraulic power and turbine rotation. This study aims to determine the effect of the tilt angle of the Archimedes screw turbine on the turbine rotation and also the hydraulic power of the picohydro power plant with variations of the turbine tilt angle (K) 20°, 30° and 40°. The method used in this research is to use a Performance Experiment Study by making an Archimedes screw turbine as a picohydro power plant. From the test results using a discharge of 2 ltr/sec, the largest turbine rotation is 144.3 at a 30° turbine tilt angle with 10.77 Watt of produced hydraulic power (P).
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Fikri, Fikri, Dedy Ramdhani, and Hasdiansah Hasdiansah. "Optimalisasi Kinerja Archimedes Screw Menggunakan Sistem Transmisi Terhadap Output Daya (Watt)." Jurnal Inovasi Teknologi Terapan 1, no. 2 (2023): 465–72. http://dx.doi.org/10.33504/jitt.v1i2.39.
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Water energy sources at low head and discharge can be utilized as a generator of electrical energy, one of which is by using the Archimedes screw turbine, the Screw turbine is used in Pico Hydro Power Plants (PLPTH) as a small-scale power plant by utilizing water energy from river flow. The purpose of this research is to optimize the performance of the Archimedes screw turbine Pico Hydro Power Plant so as to produce a better power output. In this study the authors designed an Archimedes screw turbine model with a screw angle of 28°, 5 blade type screw, and 40° turbine tilt. This study focuses on a transmission system using a belt and pulley ratio of 1:3, with two levels of transmission, and a turbine tilt angle of 40°. The method used in this study is the experimental method. As a result, after trials were carried out on a stream located in the Sungailiat Archipelago Fishing Port area, the highest turbine rotation value was 146 rpm and generator rotation 756 rpm, resulting in a power output of 8 watts within 45 minutes of the trial period in the field. This means that after modifying the Archimedes screw turbine with the transmission system and the turbine tilt angle of 40°, the resulting power output increases.
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Koronowicz, Tadeusz, and Jan A. Szantyr. "Comparative analysis of the theoretical models of ideal propulsor, ideal fluid brake, ideal screw propeller and ideal axial wind turbine." Polish Maritime Research 20, no. 2 (2013): 3–12. http://dx.doi.org/10.2478/pomr-2013-0011.
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Abstract The article presents a detailed discussion of the theoretical models of four different fluid dynamic devices: an ideal propulsor, an ideal fluid brake, an ideal screw propeller and an ideal turbine. The four models are presented with all relevant mathematical formulae regarding the forces, the power and the efficiency. It is demonstrated that the application of the model of an ideal optimum fluid brake according to the Betz theorem for determination of the maximum effectiveness coefficient of an axial wind turbine is not correct. In the case of a turbine the inclusion of important rotational flow losses may increase the maximum value of the turbine effectiveness coefficient above the level defined by Betz. Therefore the model of an ideal turbine should be an inversion of the model of an ideal screw propeller. This conclusion is supported by numerical calculations. It may influence the design procedures of wind turbines and may lead to increase in their efficiency.
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Yusupova, Feruza, Elmurod Yusupov, and Dostonbek Yusufjonov. "Design and Manufacture of Archimedes Screw Turbine." Journal of Construction and Engineering Technology 2, no. 2 (2024): 36–39. https://doi.org/10.5281/zenodo.14525627.
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The article provides information on the development and design of an Archimedean screw turbine for low-pressure microhydroelectric power plants. When developing the Archimedes screw turbine, parameters such as its length L, outer shaft diameter D0 and working diameter Di, blade period S, number of blades n were taken into account. When the deflection angle of the Archimedean screw turbine was changed from 200 to 450, the shaft rotation speed was achieved from 160 to 280 times, and the excitation torque decreased from 0.15 to 0.06. The maximum power was 5445 W at a turbine shaft speed of up to 280 times. It was observed that the drive torque increases with decreasing turbine shaft rotation speed. Based on the above parameters, a model of an Archimedean screw turbine was developed.
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Nugraha, Andy, Dani Surya Hamonangan Silalahi, Pathur Razi Ansyah, Muhammad Nizar Ramadhan, Apip Amrullah, and Gunawan Rudi Cahyono. "AN EXPERIMENTAL STUDY OF THE EFFECT OF VARIATION OF IMPACT LEVELS ON WORKING EFFICIENCY OF ARCHIMEDES SCREW TURBINE ON MICRO-HYDRO POWER PLANT." International Journal of Mechanical Engineering Technologies and Applications 4, no. 1 (2023): 1–9. http://dx.doi.org/10.21776/mechta.2023.004.01.1.
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Micro-hydro power plants take advantage of the energy potential of low-head airflow. with the development of technology that can support it, namely the Archimedes screw turbine as the driving force. Various parameters must be considered to determine the performance of micro hydro power plants with Archimedes screw turbines. A design is carried out with a discharge parameter flow rate of 2 l/s, a turbine slope of 300, and an immersion level variation of 0.3, 0.5, and 0.7, where the final result shows the value of torque, hydraulic power, mechanical power, generator, and efficiency, which decreases with the level of water immersion in the last blade.
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Nofriadi, Nofriadi, Azridjal Aziz, and Rahmat Iman Mainil. "Design and Manufacture of Portable Screw Turbine of Pico Hydro Power Plant for Road Lighting in Rural Area." Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) 67, no. 1 (2023): 1–6. http://dx.doi.org/10.36842/jomase.v67i1.330.
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This study aims to design and manufacture a portable screw turbine of pico hydro power plant for road lighting in rural area. The portable screw turbine has the specifications of a turbine diameter of 23 cm, length of 1 m, number of threads of 5, shaft diameter of 6 cm and pitch of 22 cm. This screw turbine was tested by varying several turbine tilts angles, namely 15°, 30°, 45° and 60° with a flow rate used of 0.0054 m3/s. In field test was carried out at an angle of 30° with a flow rate of 0.125 m3/s. The test results show the angle of inclination of turbine affects the mechanical performance. Testing the 45° angle produced a mechanical power of 18.857 Watts with an efficiency of 35.669%. In the field testing was produced a generator power of 4 Watts. This screw turbine is expected to be another alternative as a pico-hydro scale power plant.
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Boys, Craig A., Brett D. Pflugrath, Melanie Mueller, Joachim Pander, Zhiqun D. Deng, and Juergen Geist. "Physical and hydraulic forces experienced by fish passing through three different low-head hydropower turbines." Marine and Freshwater Research 69, no. 12 (2018): 1934. http://dx.doi.org/10.1071/mf18100.
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Knowing the kinds of physical stress experienced by fish passing through hydropower turbines can help optimise technologies and improve fish passage. This paper assesses the hydraulic conditions experienced through three different low-head turbines (a very low head (VLH), Archimedes screw and horizontal Kaplan turbine), taken using an autonomous sensor. In total, 127 Sensor Fish deployments were undertaken across all three turbines, generating 82 valid datasets. Decompression was rare at the VLH and screw turbines and rarely fell more than 10kPa below atmospheric pressure. In contrast, the Kaplan was capable of generating pressures as low as 55.5kPa (~45kPa below atmospheric pressure), over shorter periods of time. More severe ratios of pressure changes could, therefore, be expected for both surface- and depth-acclimated fish at the Kaplan than at the other turbines. Strike was another possible source of fish injury (detected in 69–100% of deployments), and although strike severity was highest at the Kaplan, strike was more likely to be encountered at the screw and VLH than the Kaplan turbine. Shear occurred only near the blades of the Kaplan, and not at severe levels. The results demonstrated that low-head hydropower facilities are not without their risks for downstream migrating fish.
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Sarjito, Agus Dwi Anggono, Wijianto, Fauzan Anas Wirawan, Sidik Kurniawan, and Bagus Dwi Nugroho. "Design of Archimedes Screw Turbine by Multi-step Selections on Parameter Pitch Distance, Blade Number, and Blade Angle." International Journal of Mathematical, Engineering and Management Sciences 10, no. 2 (2025): 554–66. https://doi.org/10.33889/ijmems.2025.10.2.028.
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One of the water turbines called an Archimedes screw turbine (ASTs) is appropriate to run in a low head of just less than 5 m and works at a wide range of discharge operations. The performance of the turbine is influenced by some aspect that requires optimization. The research aims to characterize turbine performance by selecting the pitch distance of the blade, the number of blades, and the angle of the blade. Initiated by developing Archimedes screw turbine of 500 mm length and blade diameter of 100 mm, using screw blades at different distances of 50, 70, 100, 200, and 300 mm. Then continue to select blade numbers of 1, 2, and 3 respectively, while kept constant optimum distance of blade. Once the optimum number of blades and blade distance were achieved, followed by selecting blade angles of 23o, 28o, and 33o, the optimum blade distance and number were kept constant. Acquisition data developed covers turbine speed (rpm), voltage (V), current (A), and power (W) measurements. The result of the research was optimum blade achieved at blade distance of 100 mm, blade number of 1 and optimal blade angle of 28o, its produce debit of 0.0034 m3/sec at turbine speed of 410.77 rpm, voltage generator of 79.82V with current of 0.0067A, and power of 0.55 Watt in efficiency of 33%, coefficient of performance (Cp) of 0.33, as well as tip speed ratio (TSR) of 2.56.
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Dianne, Mae M. Asiñero. "Design and performance evaluation of a double-bladed Archimedean screw turbine for low-head hydropower generation." Journal of Biodiversity and Environmental Sciences (JBES) 25, no. 4 (2024): 1–11. https://doi.org/10.5281/zenodo.14650187.
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Archimedean screw turbines are a type of low-head hydroelectric turbine that can provide a simple and economical option for small-scale hydropower generation. This study focuses on the design and performance evaluation of a double-bladed Archimedean Screw Turbine (AST) for low-head hydropower generation in rural environments, specifically in irrigation canals for agricultural lands. The twin-bladed AST is designed to harness hydrokinetic energy from low head levels and flow rates of water, fabricated using Polyvinyl Chloride (PVC). The turbine was tested in irrigation canal in Misamis Oriental, Philippines, with an average inlet water level of 0.377 m and an inclination angle of 13°. A contracted rectangular weir was designed to regulate water flow and optimize the turbine’s performance. The study analyzed the relationships between total water flow, rotational speed, torque, mechanical power, and turbine efficiency. The performance analysis showed that the double-bladed AST performed well, particularly at high inlet water levels enabled by the weir. The simulated and actual results demonstrated a maximum rotational speed of 240 rpm and efficiencies of approximately 19.85% and 19.69% at a total flow of 18 L/s, with a corresponding hydropower of 48.71 Watts. The fabricated AST successfully powered two 12V-6W DC LED light bulbs, demonstrating its potential for small-scale rural electrification. This study highlights the potential of the double-bladed AST as a cost-effective solution for low-head hydropower generation in rural areas, providing electricity for lighting and other basic needs in communities with limited access to power sources. published by the <strong>Journal of Biodiversity and Environmental Sciences (JBES)</strong>
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Harianto, Harianto harianto. "PENGARUH PITCH SUDU TERHADAP KINERJA TURBIN ULIR." KURVATEK 2, no. 2 (2018): 111–22. http://dx.doi.org/10.33579/krvtk.v2i2.571.
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Abstrak
 Sumber tenaga air dengan head rendah di Indonesia masih banyak yang belum termanfaatkan sehingga perlu dikembangkan dan dimanfaatkan secra optimal. Salah satu turbin yang mampu bekerja pada head rendah adalah turbin ulir. Banyak parameter yang berpengaruh terhadap kinerja turbin ulir, di antaranya adalah jumlah sudu, jumlah lilitan, jarak antar sudu, sudut kemiringan, dan debit. Sehubungan dengan hal ini maka perlu dilakukan penelitian untuk mengetahui harga parameter-parameter tersebut pada kondisi kinerja optimalnya.
 Tujuan penelitian ini adalah untuk megetahui pengaruh pitch sudu , kemiringan sudu dan laju aliran air masuk terhadap putaran, daya output dan efisiensi turbin ulir.
 Penelitian dilakukan terhadap suatu model turbin ulir dengan dengan diameter luar ulir (d0) 10,10 cm, ulir tunggal , dan panjang ulir 43 cm, dengan variasi sudut kemiringan antara 100 sampai 450, variasi laju aliran air 84 l/menit, 95 l/menit dan 105 l/menit,dan variasi jarak antar sudu (p) 2 cm, 3 cm , 4 cm
 Dari hasil penelitian ini diperoleh putaran maksimum 240 rpm pada laju aliran air 105 liter/menit , sudut kemiringan 20 0,dan pitch sudu 3 cm menghasilkan daya maksimum 5,558 W dengan efisiensi maksimum sebesar 44,349.
 Kata-kata Kunci: turbin ulir, head rendah, daya, efisiensi ,pitch
 
 Abstract
 
 Indonesia has many low head hidro power energy resources that have not been in use yet, so it is needed to be developed and exploited. One of the low head hydro power turbines is Archemedian srew turbine. There are many parameters and variables that influence to the performance of the turbines, such as number and pitch of blades, inclination angle, and flow rate. 
 The objective of the risearch is to investigate the influences of pitch of blades, inclination angle and flow rate to the turbine output power and turbine eficiency.
 The research has been conducted in a 10.1 outside diameter , 43 cm length model screw turbine, in which pitch of blades was varied in 2 cm ,3 cm and 4 cm, inclination angle was varied in 10 0 ,150 , 200, 250 , 300, 350 and 45 0 and flow rate was varied in 84 l/min, 95 l/min and 105 l/min.
 It is concluded from the research that maximum rotation 240 rpm, maximum power output is 5,558 Watt, maximum eficiency is 44,349 %, and they are reached at 105 l/men flow rate, 20 0 incline angle. and 3 cm pitch blades. 
 Keywords : screw turbine, low head, power, eficiency, pitch.
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Sudirman, Sudirman, and Muhammad Setiawan. "Rancang Bangun Turbin Archimedes Screw." Journal BEARINGS: Borneo Mechanical Engineering and Science 3, no. 1 (2024): 29–40. https://doi.org/10.35334/bearings.v3i1.5466.
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Indonesia is a country that has a region rich in natural resources, including water. With the existence of this natural wealth, until now many have utilized water as a Hydroelectric Power Plant (PLTA). PLTA is a generator that utilizes potential and kinetic energy through water to produce electrical energy. This study aims to determine the Archimedes screw turbine, to obtain the results of laboratory-scale Archimedes screw turbine efficiency tests. This study uses an experimental method carried out at the Conversion Laboratory of the Mechanical Engineering Department, Borneo Tarakan University. Archimedes screw turbine with a frame length of 120 cm, width 110 cm, height 140 cm, uses a suction pump engine to suck water with a power of 5.5 HP and uses a screw with 8 threads, the turbine shaft has a shaft diameter of 10 mm with a length of 1 m, the distance between the threads is 12 cm and the inner diameter of the thread is 2.54 cm, the outer diameter is 20 cm. The highest turbine efficiency value or turbine performance is at an angle of 35o, namely 0.051% because the 35 o slope of the water pushes the screw very well so that the rotation obtained is more maximum than the 15 o and 25 o slopes.
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Arbianto, Rofi, and Rustan Hatib. "PENGARUH RASIO PITCH TERHADAP KINERJA TURBIN ARCHIMEDES SCREW." JTAM ROTARY 7, no. 1 (2024): 39. https://doi.org/10.20527/jtam_rotary.v7i1.13564.
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Di berbagai negara, termasuk Indonesia, masyarakat sangat membutuhkan energi listrik, baik di perkotaan maupun di pedesaan. Hal ini disebabkan oleh kegunaan energi listrik yang mendukung aktivitas sehari-hari, seperti sumber penerangan, memasak, dan berbagai manfaat lainnya. Energi air merupakan salah satu energi terbarukan yang dapat dimanfaatkan untuk menghasilkan listrik, baik dalam skala kecil maupun besar. Penelitian ini dilakukan secara eksperimental dengan memvariasikan rasio pitch turbin ulir Archimedes untuk menemukan nilai efisiensi tertinggi. Penelitian ini menggunakan variasi rasio pitch. Putaran poros maksimum terjadi pada turbin ulir dengan 484 RPM dan daya output maksimum terjadi pada turbin ulir sebesar 4.114 Watt. Torsi maksimum terjadi pada turbin ulir dengan 0,90 Nm dengan variasi debit air dari meter bendung sebesar 0,004429 m³/s. Setiap variasi rasio pitch 0,8, 1,2, 1,6 menghasilkan daya generator masing-masing sebesar 3.053 Watt, 3.555 Watt, dan 4.114 Watt. Hasil pengukuran menunjukkan bahwa tegangan terbesar diperoleh pada rasio pitch 1,6 dengan daya keluaran generator sebesar 4,114 Watt. Efisiensi terbaik terjadi pada rasio pitch 1,6 dengan nilai efisiensi 22,61% dengan variasi debit air sebesar 0,004429 m³/s. In various countries, one of which is Indonesia, people really need electrical energy, from urban to rural communities. This is because electrical energy is useful for supporting daily activities such as as a source of lighting, for cooking, and many other benefits. Water energy is a renewable energy that can be used to generate electricity on a small or large scale. This research was carried out experimentally by varying the pitch ratio of an Archimedes screw turbine to find the highest efficiency value. The research uses pitch ratio variations. The maximum shaft rotation occurs in the screw turbine at 484 RPM and the maximum output power occurs in the screw turbine at 4,114 watts. The maximum torque occurs in the screw turbine at 0.90 Nm with a variation in water discharge from the weir meter of 0.004429 m3/s. Each pitch ratio variation of 0.8, 1.2, 1.6 produces generator power of 3,053 Watts, 3,555 Watts and 4,114 Watts respectively. So the measurement results were obtained with the largest voltage at a pitch ratio of 1.6 with a generator output power of 4.114 Watts. The best efficiency occurred at a pitch ratio of 1.6 with an efficiency value of 22.61% with a water discharge variation of 0.004429 m3/s.
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Rochman, Sagita, and Andy Hermawan. "Design and Construction of Screw Type Micro Hydro Power Plant." BEST : Journal of Applied Electrical, Science, & Technology 4, no. 1 (2022): 21–26. http://dx.doi.org/10.36456/best.vol4.no1.5444.
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The development of renewable energy is growing rapidly along with technological developments. One application of renewable energy is hydroelectric power (Water Turbine Generator). This study aims to design and manufacture a MHP using a permanent magnet generator with a screw type turbine and determine the output power generated from a MHP generator using a screw type turbine. In this research, an efficient and efficient MHP with screw type turbine will be developed. This research will be implemented in Doplang Tretek, Prambon Subdistrict, Sidoarjo Regency. MHP is a power plant whose driving force comes from water flowing from the highlands to the lowlands. By utilizing the water discharge PLTMH can function to produce electricity which is driven through a turbine and rotates a generator. The main components of MHP are turbine, generator, and water discharge. If one of these components is not present, the MHP cannot function. By utilizing MHP we can enjoy electricity for free, the power generated by MHP is still small <0.5-100kW. From the design of the PLTMH generator using a screw type turbine the output voltage is 9 volts with a water flow of 557 m3/s. The greater the flow of water flowing in the cross section of the turbine, the faster the resulting rpm.
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Xu, Yiyi, Pengfei Liu, Irene Penesis, and Guanghua He. "A panel method for both marine propulsion and renewable energy." Journal of Naval Architecture and Marine Engineering 16, no. 2 (2019): 61–76. http://dx.doi.org/10.3329/jname.v16i2.35984.
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A computational hydrodynamics method was formulated and implemented as a tool from screw propeller propulsion to renewable energy performance prediction, design and optimization of horizontal axis turbines. As an example for tidal energy generation, a comparative analysis between screw propellers and horizontal axis turbines was presented, in terms of geometry and motion parameters, inflow velocity analysis and the implementation methodologies. Comparison and analysis are given for a marine propeller model and a horizontal axis turbine model that have experimental measurements available in literature. Analysis and comparison are presented in terms of thrust coefficients, shaft torque/power coefficients, blade surface pressure distributions, and downstream velocity profiles. The effect of number of blades from 2 to 5, of a tidal turbine on hydrodynamic efficiency is also obtained and presented. The key implementation techniques and methodologies are provided in detail for this panel method as a prediction tool for horizontal axis turbines. While the method has been proven to be accurate and robust for many propellers tested in the past, this numerical tool was also validated and presented for both tidal and wind turbines.
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Bustomi, M. A., F. B. Setiawan, B. Indarto, and E. Purwanti. "Performance test of brushless direct current (BLDC) generator in micro hydro power plant (MHPP) with Archimedes screw turbine." Journal of Physics: Conference Series 2900, no. 1 (2024): 012029. https://doi.org/10.1088/1742-6596/2900/1/012029.
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Abstract Brushless Direct Current (BLDC) generators have many advantages over DC generators that use brushes. In this research, the advantages of the BLDC generator are applied as a generator for a micro-hydro power plant (MHPP) that uses an Archimedes screw turbine. The study aims to test the performance of the BLDC generator as a generator on the Archimedes screw turbine MHPP. The MHPP specifications for the Archimedes screw turbine used in this research are an Archimedes screw turbine with three blades, an elevation angle of 40° and a transmission gear ratio of 2.8:1. The screw turbine has an inner diameter of 14.02 cm, an outer diameter of 23.9 cm, a pitch of 25.67 cm and a length of 51.34 cm. The generator used is a 3-phase Brushless Direct Current (BLDC) generator. The load used is a 12 Volt LED lamp with a 5 to 20 Watts power. The test results at a discharge of 0.00634 m3/s showed that the mechanical power was (36.408 ± 0.202) Watts and the highest electrical power was (7.86 ± 0.03) Watts. Based on these results, the efficiency of electrical power on mechanical power is around 22%.
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Oliveira, Pedro F. G., Nuno M. C. Martins, Pedro Fontes, and Dídia Covas. "Hydroenergy Harvesting Assessment: The Case Study of Alviela River." Water 13, no. 13 (2021): 1764. http://dx.doi.org/10.3390/w13131764.
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The current paper aims to develop and to apply a methodology for assessing the hydroenergy harvesting potential in water systems taking into account both technical and economic aspects. The methodology is a five-step procedure: (i) data collection and analysis; (ii) technology identification; (iii) energy harvesting assessment; (iv) economic analysis; and (v) final recommendation of the technological solution. The case study is located in the water source of the Alviela River, in Portugal. The energy harvesting potential is assessed for three turbine types, adequate for the 2.5 m available head: two propeller turbines, with and without adjustable blades, and the Archimedes screw turbine. Results show that the most feasible solution is the Archimedes screw turbine, with 3 m3/s rated discharge and 55 kW rated power, the capital cost of 160 k, the internal rate of return above 10% and the payback period of eight years. This solution has the potential for harvesting energy in low-head sites with a wide range of flow rates.
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Nikmatullah, Muhammad Iqbal, Andi Haris Muhammad, Baharuddin, Zulkifli, and Haryanti Rivai. "CFD Simulation of Five Blades Archimedes Screw Turbine as Alternative Power Plant for Traditional Fishing Boat." Jurnal Riset & Teknologi Terapan Kemaritiman 3, no. 1 (2024): 8–13. https://doi.org/10.25042/jrt2k.062024.02.
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The need for electrical energy for traditional fishermen has greatly increased, considering that almost all equipment is now powered by electricity. Archimedes screw turbines, which are generally used as micro hydro power plants, especially in rivers or dams that incline, can be used as an alternative power generator for traditional fishing boats. This research aims to determine the performance of a five-blade Archimedes screw turbine using Ansys CFX software. The simulation was carried out with a flow velocity at the inlet boundary of 2.5 m/s using the transient simulation method, in order to obtain information about the flow characteristics around the turbine as the turbine rotates. So that the turbine can rotate during the simulation, the turbine domain is set using a Rigid Body Solution, so that its rotation will be influenced by the flow rate entering the turbine as is done in the laboratory. The results of this research will be used to optimize the performance of the turbine so that it can produce maximum power. From the simulation and analysis carried out, it was obtained that the mechanical power was 0.08 Watts and the hydraulic power was 0.49 Watts with a turbine efficiency of 17.28%. Apart from that, the increase in rotation produced by the turbine due to the hydraulic power of the water is directly proportional to the increase in mechanical power and torque in the turbine. The low value of mechanical power and efficiency obtained in this research is caused by the absence of an inclination angle between the inlet and outlet parts of the turbine.
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Nahak, Andre Marce, Kho Hie Khwee, and Danial Danial. "DESIGN OF LABORATORY-SCALE ARCHIMEDES SCREW TURBINE PROTOTYPE." Journal of Electrical Engineering, Energy, and Information Technology (J3EIT) 11, no. 3 (2023): 182. http://dx.doi.org/10.26418/j3eit.v11i3.68509.
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The number of blades and helix range in the helical turbine are considered as internal parameters, while the outer radius of the turbine, turbine length, and turbine shaft inclination are regarded as external parameters. Both of these parameters define the geometric characteristics of the helical turbine. The geometric configuration of the Archimedes turbine can be determined using the formulation by Chris Rorres. The designed prototype of the Archimedes turbine has the following specifications: a total of 3 blades (N), an inner diameter (Di) of 11.4 cm, an outer diameter (Do) of 21.28 cm, a turbine length (L) of 80 cm, a screw pitch (Λ) of 25.53 cm, a number of turns (Z) of 3, and a turbine weight of 10.80 kg, with a turbine shaft inclination angle of 30°. From the research findings, the highest turbine performance was achieved at a water discharge of 0.006 m^3/s, resulting in a generated voltage of 41.02 V with a turbine rotation speed of 309.3 rpm.In this research, the experimental method was used, which involved testing the turbine performance by varying the water discharge under both unloaded and loaded conditions (load simulated using a lamp). Throughout the research process, each test data was recorded and analyzed using relevant formulas, and the results were presented in the form of graphs to facilitate drawing conclusions. From the research findings, the best turbine voltage regulation occurred at a water discharge of 0.0026 m^3/s, resulting in a voltage regulation of 22.38%.
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Leksono, S., I. Ketut Aria Pria Utama, Ma Djoni, and Wasis Dwi Aryawan. "Vane-Turbine as an Energy Conversion in the Propeller Slipstream of Single Screw Ship." Advanced Materials Research 789 (September 2013): 417–22. http://dx.doi.org/10.4028/www.scientific.net/amr.789.417.
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The screw propeller of a ship generates thrust to make it moving. As a propeller rotates, it draws fluid into itself from the surrounding area (slipstream). The propeller produces two types of flow behind it, accelerated and circulated flows. Some of the energy from the ship engine is lost in the accelerated flow behind ship as a jet wash.The kinetic energy losses in the slipstream propeller captured by a turbine called the propeller-turbine system. This composed screw propeller of a vessel (the main propeller) and a vane turbine that is the area of vanes located inside the wake of the main propeller. It recovers the energy generated by the main propeller pushing water back out (which would be otherwise wasted behind the main propeller) and hopefully enhancing the efficiency of the main propeller.The influence of vane turbine on the performance breakdown of single screw ships were analyzed by using 5 (five) ships . Ship powering was calculated by using DESP Code 10 software. Thrust and power of vane turbine were calculated by applying actuator disc theory. Although the vane turbine affected speed loss of the ship, the power efficiency gained to be found always positive. Vane turbine is suitable as an energy saving device of the single screw ship.
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Mr. P.Venkatanaidu and Dr Sri B. Chandramohana reddy. "PERFORMANCE OF FOUR BLADE ARCHIMEDES SCREW TURBINE." International Journal of Communication Networks and Information Security 16, no. 04 (2024): 1300–1310. http://dx.doi.org/10.36893/ijcnis.2024.v16n4.7366.
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Hydraulic energy is one of the most important sources of renewable energy today.it is also a complementary source to other renewable energy sources, being the only one that offers an important nonpolluting storage capacity. The geometrical shapes are four blades, Screw angel of 100 to 500. The Archimedes screw turbine is being explored all around the world as one of the best candidates for efficient electricity generation at low head and low flow rate sites. The experimental work conducted for the screw turbine angels ranges from 100 to 500 with different flow rates. The efficiency of the Archimedes screw turbine was calculated for the experimental results. The experimental work is completed by using drainage water for the different range angles and different flow rate to produce the higher electricity. Theoritical and experimental values are compared. The maximum power of 12W is generated at the 300 screw angle and 7 rpm rotar.
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Zhao, Zhong Hao, Zeng Liang Li, and Sheng Nan Lu. "The Principle and Calculation of Hydraulic Driven Downhole Twin-Screw Pump." Advanced Materials Research 201-203 (February 2011): 448–53. http://dx.doi.org/10.4028/www.scientific.net/amr.201-203.448.
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Structure composition and working principle of hydraulic driven downhole twin-screw pump are firstly introduced, and the calculation method of work and structure parameters when downhole twin-screw pump and turbine motor operate is given, and dynamic measuring process when ground power pump, turbine motor and downhole twin-screw pump coordinate is also given. The given calculation process which is derived after sufficiently considering working principle and structure features of the pump, is instructive to the design of this kind of downhole twin-screw pump, and also provides technical support for series design of hydraulic driven downhole twin-screw pump in the future.
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Habibie, Zhafran, Jojo Sumarjo, and Reza Setiawan. "Pembuatan dan Instalasi Pengujian Turbin Screw dengan Variasi Debit Aliran." ARMATUR : Artikel Teknik Mesin & Manufaktur 5, no. 1 (2024): 21–27. http://dx.doi.org/10.24127/armatur.v5i1.5148.
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Turbin air tipe ulir adalah salah satu tipe turbin air yang berpotensi untuk membangkitkan listrik dengan skala kecil yang ramah akan lingkungan, dimana turbin air tipe ulir ini sangat cocok untuk sungai-sungai maupun aliran irigasi di wilayah Indonesia. Pada penelitian ini analisa data ditujukan pada karakteristik daya output turbine Archimedes screw terhadap bukaan katup stopkran serta pengujian dilakukan pada pemodelan pembangkit listrik tenaga Pikohidro ini meliputi mengukur debit air, putaran generator, tegangan, arus, torsi serta daya output generator dan efisiensi. Pada proses pembuatan dan pengujian turbin air tipe screw dilakukan penambahan kerangka tandon air dan adanya alat ukur debit Weir V-Nocth yang mengukur dari ketinggian debit dan ketinggian head turbine yang di uji. Penelitian ini berlangsung untuk mengetahui kinerja turbin ulir dengan pengujian variasi debit air, Dengan melakukan pengujian terhadap bukaan Stopkran dengan 3 variasi yaitu ½ (lebar 38 mm), ¾ (lebar 50 mm), 1 (lebar 76 mm) dengan masing-masing menghasilkan debit air 0,0045 m3/s, 0,0065 m3/s, 0,0078 m3/s. Sudut kemiringan turbin yang digunakan sebesar 300 dan head turbin 0,9 m. Proses pengujian alat dilakukan di tempat terbuka dan adanya arus litrik PLN tujuannya yaitu agar lebih mudah dalam pengisian air tandon menggunakan pompa celup. Setelah dilakukan pengujian dan perhitungan data, didapatkan hasil maksimum putaran poros sebesar 1470 rpm dengan daya output 53,7 watt pada debit 0,0078 m3/s, torsi maksimum yang dihasilkan 4,428 Nm pada debit 0,00448 m3/s dan efisiensi turbin maksimum sebesar 0,078 % pada debit 0,0078 m3/s.