Relevant bibliographies by topics / Vortex-Bladeless

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Academic literature on the topic 'Vortex-Bladeless'

Author: Grafiati
Published: 4 June 2025
Last updated: 15 July 2025

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Journal articles on the topic "Vortex-Bladeless"

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Tripathi, Anshul, Sahil Thakur, and Tushar Aggarwal. "Modal and Static Analysis of Vortex Bladeless Wind Turbines with Different Geometries." E3S Web of Conferences 430 (2023): 01254. http://dx.doi.org/10.1051/e3sconf/202343001254.

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The renewable energy industry has undergone remarkable growth in recent times, with wind energy assuming a preeminent role as a source of clean energy. Five distinctive geometries were analyzed, including a traditional circular form, a decagonal form, and three sinusoidal forms to evaluate the modal and structural characteristics of vortex bladeless wind turbines. The ANSYS software was employed to carry out both the modal and structural analysis. The vortex bladeless rod was firmly fixed and the mast was exposed to a wind pressure of 15 Pa during modal analysis. The structural analysis was executed to compute the deflection of the vortex bladeless wind turbine under the same wind pressure. The results demonstrated that the sinusoidal forms exhibited the greatest deflection at a wind speed of 5m/s. These findings possess the potential to optimize and augment the design of vortex bladeless wind turbines, provide guidance for future design decisions, and boost the efficiency and dependability of these wind turbines. It is therefore posited that the consideration of diverse geometries in the design of vortex bladeless wind turbines is of paramount importance, and the findings of this study are expected to be of great use to engineers and designers in the wind energy field, thereby catalyzing the progression of this thriving renewable energy source.
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Sudarshan, TA, P. Bhavya, B. C. Manjesh, et al. "A renovative design and fabrication of vortex bladeless windmill." Journal of Physics: Conference Series 2426, no. 1 (2023): 012059. http://dx.doi.org/10.1088/1742-6596/2426/1/012059.

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Abstract The issues produced withinside the traditional windmills instigate the development of vortex bladeless windmills. Vortex Bladeless is a vortex caused vibrations resonant wind generator. It harnesses wind strength from a phenomenon of vorticity referred to as Vortex Shedding. Basically, Bladeless era consists of a cylinder regular vertically with an elastic rod. The cylinder oscillates on a wind range, which then generates electricity through a trade system. In exclusive words, its wind generators which is not genuinely a turbine. In other words, wind turbines are not real turbines. In this current paper we have tried to upgrade the Vortex windmill which is more comparable to solar panels in terms of functionality and cost-effectiveness compared to everyday wind turbines and entire project uses less planetary area. Through the improvised model we look forward to produce 238.60Wh of power. The work is designed in such a manner that it can be portable i.e., can be carried from one place to another.
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Prafull, Navkar *1 Rushikesh Sable 2. Mayur Satputale. "VORTEX BLADELESS TURBINE GYRO E-GENERATOR." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 7, no. 2 (2018): 189–92. https://doi.org/10.5281/zenodo.1165914.

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Vortex-Bladeless is a Spanish SME whose objective is to develop a new concept of wind turbine without blades called Vortex or vorticity wind turbine. This design represents a new paradigm in wind energy and aims to eliminate or reduce many of the existing problems in conventional generators. The bladeless vortex turbine is one such concept that uses the principle of aero-elasticity and thereby the variations produced by it to generate electricity. Project work will include the design and development of a vortex wind bladeless turbine and a gyro-action based e-generator to be coupled to it to generate the electricity. Prototype development will be done using 3-D printing for the vortex turbine and the e-generator to make a scaled working model that will demonstrate electricity generation and testing will be done on the same to determine the effect of wind speed on , turbine speed , voltage , current and power generated by the model.
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Badri, Nithin, Vamshi Peddolla, Hutchinson Gottumukkala, Jyothi U.S., and Aparna S. "Design and Analysis of Bladeless Wind Turbine." E3S Web of Conferences 391 (2023): 01040. http://dx.doi.org/10.1051/e3sconf/202339101040.

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The idea of bladeless windmills is based on the vortex shedding effect hypothesis. A wind-powered generator with the fewest moving elements is the vortex bladeless windmill. The oscillation or vibration caused by the wind is used to generate the electric current. As a result, piezoelectric material or a linear alternator are used to generate electricity. In this project effort, we attempted to increase the vortex-induced vibrations of the turbine built of Epoxy Carbon UD (230GPa) by altering the design of the mast and base. The maximum deflection is 0.22775m (condition 7) at 10 m/s2 acceleration.
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Onkar, D. Kshirsagar, and B. Gaikwad Amol. "Design and Analysis of Vortex Bladeless Windmill for Composite Material." Journal of Industrial Mechanics 4, no. 2 (2019): 15–24. https://doi.org/10.5281/zenodo.3355094.

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Nowadays, the non-renewable energy sources are gone to depth of the earth, so we obviously need to produce energy by using renewable energy sources. The traditional blade wind turbines are used to produce energy but its cost is very high and it have many disadvantages like as capital cost, maintenance cost, running cost, friction loss and it is also dangerous to birds and is noisy as well. Hence, there is a need to find low-priced and safe replacement to conventional windmills. The concept of bladeless windmill works on the theory of vortex shedding effect. Vortex bladeless windmills are a wind powered generator that generates electricity with minimum moving parts. It generates the electric current by using the oscillation or vibrations produced due to the wind. It’s working principle of vortex-induced vibrations (VIV). Hence, the electricity is generated by using linear alternator or piezoelectric material. Generally, structures are designed to minimize vortex-induced vibrations (VIV) in order to minimize mechanical failures. But in this project work, we try to increase the vortex-induced vibrations (VIV) with maximum deflection of bladeless windmills which is used to produce electricity with experimental and geometrical approach.
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Kumar, K. Sunil. "Design and Fabrication of Vortex Bladeless Windmill." International Journal for Research in Applied Science and Engineering Technology 6, no. 3 (2018): 2407–10. http://dx.doi.org/10.22214/ijraset.2018.3386.

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Paul Austin Sylvanus ert al.,, Paul Austin Sylvanus ert al ,. "Design and Optimization of Vortex Bladeless Turbine." International Journal of Industrial Engineering & Technology 9, no. 1 (2019): 63–68. http://dx.doi.org/10.24247/ijietjun20196.

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Vishal, Digambar Bodkhe. "Design and Development of Vortex Blade less Wind Turbine." International Journal of Trend in Scientific Research and Development 2, no. 3 (2018): 2460–62. https://doi.org/10.31142/ijtsrd12804.

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Vortex Bladeless is a Spanish SME whose objective is to develop a new concept of wind turbine without blades called Vortex or vorticity wind turbine. This design represents a new paradigm in wind energy and aims to eliminate or reduce many of the existing problems in conventional generators. Due to the significant difference in the project concept, its scope is different from conventional wind turbines. It is particularly suitable for offshore configuration and it could be exploited in wind farms and in environments usually closed to existing ones due to the presence of high intensity winds. The main objective of this SHAPE project is to develop the needed tools to simulate Fluid Structure Interaction FSI problems and to reproduce the experimental results for scaled models of the Vortex Bladeless device. In order to do so the Alya code, developed at the Barcelona Supercomputing Center, is adapted to perform the Fluid Structure Interaction FSI problem simulation. Vishal Digambar Bodkhe "Design and Development of Vortex Blade less Wind Turbine" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-2 | Issue-3 , April 2018, URL: https://www.ijtsrd.com/papers/ijtsrd12804.pdf
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Bahadur, Issam. "Dynamic Modeling and Investigation of a Tunable Vortex Bladeless Wind Turbine." Energies 15, no. 18 (2022): 6773. http://dx.doi.org/10.3390/en15186773.

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This paper investigates the dynamics of an electromagnetic vortex bladeless wind turbine (VBWT) with a tunable mechanism. The tunable mechanism comprises a progressive-rate spring that is attached to an oscillating magnet inside an electromagnetic coil. The spring stiffness is progressively adjusted as the wind speed changes to tune the turbine fundamental frequency to match the shedding frequency of the vortex-induced vibration (VIV) due to the wind flow crossing over the oscillating mast. Coupled nonlinear equations of motion of the tunable turbine are developed using the lumped-mass representation and Lagrange formulation. Numerical results show that the tunable turbine performs effectively beyond a threshold wind speed. An analytical expression of the threshold speed is derived based on the mechanical fundamental frequency of the turbine. The analytical results are in reasonable agreement with the numerical evaluations. At a given wind speed past the threshold, the tunable turbine has an optimum spring stiffness at which the output power is maximum. Numerical studies also show that the output power of the 2 m long tunable turbine is tens of times larger in comparison to a conventional bladeless turbine. For example, at a wind speed of 4.22 m/s, the output rms power of the tunable turbine is around 1105 mW versus 17 mW of the conventional VBWT. The power can be further maximized at an optimum external load. This research work demonstrated the feasibility and merits of the proposed tunable mechanism to enhance the overall performance of the bladeless wind turbine.
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Gauri, Sanket. "Hybrid Vortex Piezoelectric Bladeless Wind and Solar Power Generation." International Journal for Research in Applied Science and Engineering Technology 13, no. 4 (2025): 5063–66. https://doi.org/10.22214/ijraset.2025.69288.

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This project investigates an innovative hybrid system for electrical power generation, combining bladeless wind turbine technology with piezoelectric materials and solar power. The bladeless wind turbine harnesses vibrations and oscillations, rather than traditional rotational motion, to generate electricity through integrated piezoelectric components. This method eliminates the need for wind input power, making it highly adaptable to low-wind environments. The system further incorporates solar panels, which store energy in batteries, ensuring a consistent and reliable power supply regardless of weather conditions. The integration of these two renewable energy sources piezoelectricity and solar power creates a robust, non- conventional energy generation system. This hybrid approach not only maximizes energy capture but also enhances overall efficiency by leveraging both wind and solar resources. The primary goal of this project is to advance the sustainability, economic viability, and environmental benefits of non- conventional energy solutions. By utilizing cutting-edge technologies, the system aims to reduce dependence on traditional energy sources, minimize environmental impact, and contribute to the global transition toward renewable energy.
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Dissertations / Theses on the topic "Vortex-Bladeless"

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Wu, Meng Hsuan, and 吳孟軒. "The Study on Bladeless Wind Turbine Driven by Vortex Shedding." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/qx3k8x.

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碩士<br>長庚大學<br>機械工程學系<br>105<br>Conventional wind turbines, no matter horizontal axis or vertical axis, lift force type or drag force type, all need rotors to hold the blades. The rotors not only need high maintenance fee but also make continuous low-frequency noise that is the main target of protests by the neighboring residents. The high speed traveling blades may hurt flying birds that causes the attention of the WSPA (World Society for the Protection of Animals). Therefore, the blade less wind turbines driven by vortex shedding may become a solution to the above problems. The purpose of this study is to investigate the possibility of extracting the energy of vortex shedding by air that flows through a cylindrical body. The energy extracting method can be either from the fixed coil induced by the moving permanent magnets attached to the vibrating cylinder, or from the alternator driven by the oscillating tail fin. The study method starts with understanding the characteristics of vortex shedding. Then put the model of a magnet-coil to generate electric power and simulate the vortex shedding downstream of a 1/10 cylinder model in a wind tunnel to find the position with the maximum alternating flow. Finally, measure the output power coefficient of the model in the wind tunnel. The results show that the reciprocal moving magnet induces very low voltage output from the coil and the way of extracting wind power is not practical. Therefore, the vibrating tail fin became the object of the study. The tail fins used in this study were either flat plate or NACA0012 airfoil. The results of experiment of the wind turbine model in the wind tunnel show that the power coefficients are under 0.04 when the wind speeds are under 10 m/s. The reasons are that the high frequency of vortex shedding due to the small sized cylinder may not be able to drive the mechanism easily and the finite size of the test section may suppress the amplitude of the vortex shedding downstream. Therefore, increasing the size of the cylinder and use the wind turbine in the field to reduce the frequency of produced vortex shedding and efficiently extract the maximum wind power. However, the increase of the size of the cylinder can only be limited by the critical Reynolds’ number. Under the limitation and the vertical distribution of wind speed, an optimized wind turbine can be designed. In addition, a bladeless wind turbine takes a very small space and therefore is suitable to install in a windfarm that is limited by the space.
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Book chapters on the topic "Vortex-Bladeless"

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Reddy, Gosu Satish Kumar, and Debopam Das. "Vortex Bladeless Turbines with Wings." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-7047-6_11.

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Hamdan, Hasan Tariq, Ahmad Al Ramahi, and Sharul Sham Dol. "Vortex Bladeless Wind Turbines for Airport Runway Energy Generation: Conceptual and Economic Feasibility Studies." In Sustainable Landscape Planning and Natural Resources Management. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-82419-7_5.

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Conference papers on the topic "Vortex-Bladeless"

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Tenorio, Guillermo López, Joaquín Ortega, Luis Ortíz, and Nacarí Marín-Calvo. "Stiffness Impact on the Design and Sustainable Functioning of Vortex Bladeless Turbines." In 2024 9th International Engineering, Sciences and Technology Conference (IESTEC). IEEE, 2024. https://doi.org/10.1109/iestec62784.2024.10820226.

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Han, Dongkun, Shihan Huang, Pak Kei Abia Hui, and Yue Chen. "Development of a New Type of Vortex Bladeless Wind Turbine for Urban Energy Systems." In 2024 The 9th International Conference on Power and Renewable Energy (ICPRE). IEEE, 2024. https://doi.org/10.1109/icpre62586.2024.10768593.

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Kang, Heeyun, Suseong Han, Changmin An, and Young-Keun Kim. "Design Process of a Small-Scaled Bladeless Vortex-Induced Wind Turbine with Tunable Resonance Mechanism." In 2024 IEEE 22nd International Conference on Industrial Informatics (INDIN). IEEE, 2024. https://doi.org/10.1109/indin58382.2024.10774332.

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Bowles, Patrick, Derek Geiger, Mathew Thomas, et al. "Experimental Investigation of Passive and Active Flow Control for X2 Technology Hub and Fuselage Drag Reduction." In Vertical Flight Society 72nd Annual Forum & Technology Display. The Vertical Flight Society, 2016. http://dx.doi.org/10.4050/f-0072-2016-11379.

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The effects of passive, active, and combined flow control on the aerodynamic performance of an unpowered, bladeless 1/5th scale model of the X2 Technology™ Demonstrator have been assessed through a variety of surface and off-body measurements in a low-speed wind tunnel test, Re = 88x10³ [1/ft] and M∞ = 0.13. The baseline model employs a state-of-the-art low-drag coaxial hub design. Further drag reduction was investigated through minor design alterations, endplates, vortex generators, steady blowing and suction, and oscillatory blowing. Each drag mitigation control approach was individually assessed. Flow control technologies that produced the most promising test results were combined for further augmented performance. Six-component external balance loads, independent hub and tail loads, and surface and wake flow and pressure measurements were used to determine aerodynamic performance and the detailed physics of the flow control attributes. The wind tunnel test showed that the addition of endplates provided vehicle drag reduction of 4%. Steady blowing from the rotor shaft fairing reduced drag 4% and the combination of endplates and blowing decreased drag 6-8%.
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Ostia, Conrado, Jesus Martinez, Earvin Earl Aglipay, Maiko Morata, Cliff Michael Solidum, and Aldrin John Tamano. "Design of an Ornamental Bladeless Vortex Generator." In 2019 IEEE 11th International Conference on Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment, and Management ( HNICEM ). IEEE, 2019. http://dx.doi.org/10.1109/hnicem48295.2019.9072884.

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El-Shahat, Adel, Md-Mehedi Hasan, and Yan Wu. "Vortex Bladeless Wind Generator for Nano-Grids." In 2018 IEEE Global Humanitarian Technology Conference (GHTC). IEEE, 2018. http://dx.doi.org/10.1109/ghtc.2018.8601572.

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Francis, Sigil, V. Umesh, Sasidhar Jangam, et al. "Modelling and CFD simulation of vortex bladeless wind turbine." In 2ND INTERNATIONAL CONFERENCE ON ADVANCED RESEARCH IN MECHANICAL ENGINEERING (2ND ICARME – 21). AIP Publishing, 2022. http://dx.doi.org/10.1063/5.0076790.

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Abdelgalil, Haytham A., Dina S. M. Osheba, and S. M. R. Tahoun. "Arch-Flux Switching Generators for Vortex Bladeless Wind Turbines." In 2021 22nd International Middle East Power Systems Conference (MEPCON). IEEE, 2021. http://dx.doi.org/10.1109/mepcon50283.2021.9686251.

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Thomai, Micha Premkumar, Lasoodawanki Kharsati, Nakandhrakumar Rama Samy, Seralathan Sivamani, and Hariram Venkatesan. "Experimental Analysis of Vortex Induced Vibration in the Bladeless Small Wind Turbine." In ASME 2019 Gas Turbine India Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/gtindia2019-2484.

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Abstract Vortex-induced vibration is one of the predominant fundamental concepts for forced oscillation which attracts considerable practical engineering application for energy conversion. In this work, an oscillation of a mast arising as a result of wind force is utilized for energy conversion. The paradigm for energy conversion from vortex-induced vibration in the mast is the bladeless wind turbine. It consists of a rigid mass known as a mast, fixed in the spring of stiffness (k) and allowed to oscillate along the direction of the flow. In this work, four different types of mast have been fabricated and tested. The first is uniform tapered hollow conical mast (MAST1), the cross-section of the second is uniform tapered plus symbol (MAST2), the third is uniform tapered inversed plus symbol (MAST3) and the fourth is uniform tapered simple rectangular cross-section (MAST4). All the masts were fabricated using fiber carbon. The experiments were conducted in a versatile small wind turbine testing facility of Hindustan Institute of Technology and Science, Chennai. This test facility contained an open jet wind tunnel with variable frequency drive and other measuring instruments. The vibration sensor was located in the mast where it experienced a large oscillation in a free stream. In this experiment, an increase in wind velocity led to a terrible change in the amplitude of vibration. A vigorous oscillation was experienced in this mast at this critical frequency, when the natural frequency of the mast was synchronized with the frequency of the vortex shedding and the frequency of the oscillation of the mast. The total force in this oscillation was a summation of the body force due to the mass of the mast and vorticity force that is mainly which was the result of the shedding of the vortices. In this work, extensive studies have been carried out for Reynolds number ranging from 2.5 × 105 to 5.0 × 105. The mast length to diameter ratio of 13 was exposed to various speeds of wind and response was measured. The occurrence of the maximum oscillation in a simple rectangular mast was seen where vortex shedding due to the bluff body was large for constant mass and spring stiffness. The frequency of the oscillation at maximum amplitude of the rectangular cross-section mast was equal to the natural frequency, due to vortices shedding at critical velocity. This demonstrated the appropriateness of the simple rectangular cross-section for harnessing the low rated wind energy and its suitability for renewable energy conversion in the small bladeless wind turbine.
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Dol, Sharul Sham, and Hasan Hamdan. "Application of Vortex Bladeless Turbines at the offshore Platform for Sustainable Energy." In ADIPEC. SPE, 2024. http://dx.doi.org/10.2118/222566-ms.

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Abstract The global demand for sustainable energy is growing rapidly, even in the oil and gas industry. The project largely centered on the extensive conception of vortex technology, energy endurance and the vortex bladeless turbine (VBT) design. In the case of the offshore platform, vortices are generated from both ocean currents and wind flows. These oscillations can be utilized to generate power due to the fluctuations produced by the vortices. Vortex-induced vibration works on the principle of Kármán vortices where a cylindrical or bluff-body shaped object oscillates due to the alternate vortex formation on the boundary layers by adverse fluid pressure. The oscillation depends on the unsteady lift and drag forces generated. This mechanical oscillation is later converted to electrical energy. This work focusses on the capability of VBT energy available around the offshore platform in order to determine the possibility of such utilization to meet the demand needed for these platform activities. These oscillations, it could be harnessed properly, would be able to turn into useful energy to supplement basic platform operations (i.e. lighting, pumps, compressors, heating and ventilations). The computational fluid dynamics simulation CFD ANSYS model was conducted using viscous shear-stress transport SST k-ω turbulence model to simulate the flow path and its oscillations and how the mast design can be optimized (i.e. by adding vortex generators) in order to produce the best possible VBT aerodynamics and hydrodynamics performance hence energy generation. The VBT model was then fabricated and experimentally tested in order to finalize the overall performance. The utilization of carefully designed springs enables the VBT system to oscillate in resonance with the structural natural frequency to generate sufficient power measured by piezoelectric transducers. The performance depends on the followings; frequency and speed of ocean currents and wind flows, depth of water and size of offshore platform, air temperatures and pressures and size and materials of VBT. The main advantage of vortex bladeless turbine is it has both wind and ocean flow vibrations. There are no moving components, such as gears, bearings, or the requirement for maintenance, in a VBT making it suitable for a remote offshore application. VBT design has a number of attractive features; self-running and independent, made of lightweight minimal raw materials, environmentally friendly, in addition to its low cost and harmless to the oil and gas offshore operations. The platform also offers existing structural and power facilities for VBT installations. By completing this project, new and important knowledge regarding the ground-breaking advancement in novel vortex power generation would be gained that inspires new innovative ideas sustainable operation. Energy resource diversity is the key for energy sustainability and moving toward the UAE 2050 vision.
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