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Relevant bibliographies by topics / Shrouded Wind Turbine

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Academic literature on the topic 'Shrouded Wind Turbine'

Author: Grafiati

Published: 4 June 2021

Last updated: 3 February 2022

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Journal articles on the topic "Shrouded Wind Turbine"

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Sontakke, Kishor, Samir Deshmukh, and Sandip Patil. "Potential of Shrouded Micro Wind Turbine." IRA-International Journal of Technology & Engineering (ISSN 2455-4480) 7, no. 2 (S) (2017): 340. http://dx.doi.org/10.21013/jte.icsesd201732.

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The growing demand for electrical energy for industrial and domestic use, coupled with the limited amount of available fossil fuel reserves and its negative effects on the environment, have made it necessary to seek alternative and renewable energy sources. The use of renewable energy is promoted worldwide to be less dependent on conventional fuels and nuclear energy. Therefore research in the field is motivated to increase efficiency of renewable energy systems. This study aimed to study potential of micro wind turbine and velocity profile through shroud for low wind speeds. Although there is

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Puthumana, Amal B. "Inlet Shroud Angle of a Shrouded Wind Turbine." International Journal for Research in Applied Science and Engineering Technology V, no. IV (2017): 295–302. http://dx.doi.org/10.22214/ijraset.2017.4054.

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Takey, Mohamed, Tholudin Mat Lazim, Iskandar Shah Ishak, N. A. R. Nik Mohd, and Norazila Othman. "Computational Investigation of a Wind Turbine Shrouded with a Circular Ring." CFD Letters 12, no. 10 (2020): 40–51. http://dx.doi.org/10.37934/cfdl.12.10.4051.

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In this research work, a new design concept for shrouded turbines is introduced using a circular flange ring instead of a diffuser. The performance of a wind turbine shrouded with the conventional configuration of flanged diffusers is firstly investigated. This allows comparison to be made with the performance of the new design proposed in this project. The bare turbine used in this research work is a horizontal axis wind turbine with a diameter of 0.6 m, and the flange height is 10% of the diameter. The performance of the shrouded turbine is investigated using computational fluid dynamics; by

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Nasrul, Muhammad, and Illa Rizianiza. "Shrouded wind turbine for low wind speed." IOP Conference Series: Materials Science and Engineering 1034, no. 1 (2021): 012042. http://dx.doi.org/10.1088/1757-899x/1034/1/012042.

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Kosasih, Bu Yung, and S. A. Jafari. "High-Efficiency Shrouded Micro Wind Turbine for Urban-Built Environment." Applied Mechanics and Materials 493 (January 2014): 294–99. http://dx.doi.org/10.4028/www.scientific.net/amm.493.294.

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Shrouding (diffuser augmented) horizontal axis micro-wind turbine has been shown to be an effective ways to potentially increase the power output of micro wind turbine for applications in built environments. It is well understood that the degree of the performance enhancement depends on several factors including the diffuser shape and geometries, blade airfoils, and the wind condition at the turbine site. The effect of diffuser shape and geometries is reported in this paper. Computational fluid dynamic (CFD) simulations of a small wind turbine with a simple frustum diffuser shrouding have been

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Khojasteh, Hasanali, Younes Noorollahi, Mojtaba Tahani, and Mehran Masdari. "Optimization of Power and Levelized Cost for Shrouded Small Wind Turbine." Inventions 5, no. 4 (2020): 59. http://dx.doi.org/10.3390/inventions5040059.

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Nowadays, by increasing energy demand and considering the importance of environmental issues in recent decades, the use of renewable energies is expanding. Among renewable energies, wind power and its technology are growing and evolving more rapidly. Resource assessment in Iran has revealed the significant potential of wind energy around the country. To further develop wind energy in the country and create large-scale wind power plants, the consideration of distributed power generation using small wind turbines for applications in agricultural and residential use is needed. Conventional small

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Kosasih, Buyung, and Andrea Tondelli. "Experimental Study of Shrouded Micro-Wind Turbine." Procedia Engineering 49 (2012): 92–98. http://dx.doi.org/10.1016/j.proeng.2012.10.116.

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Watanabe, Koichi, and Yuji Ohya. "A Simple Theory and Performance Prediction for a Shrouded Wind Turbine with a Brimmed Diffuser." Energies 14, no. 12 (2021): 3661. http://dx.doi.org/10.3390/en14123661.

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We developed a new wind turbine system that consists of a diffuser shroud with a broad-ring brim at the exit periphery and a wind turbine inside it. The shrouded wind turbine with a brimmed diffuser, which we called a “wind lens turbine” (WLT), has demonstrated power augmentation by a factor of about 2–5 compared with a bare wind turbine for a given turbine diameter and wind speed. The increase in power output depends on the diffuser shape and length and the brim height. However, a simple theory presented in this paper argues that only two performance coefficients are needed to predict the per

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Lipian, Michal, Ivan Dobrev, Fawaz Massouh, and Krzysztof Jozwik. "Small wind turbine augmentation: Numerical investigations of shrouded- and twin-rotor wind turbines." Energy 201 (June 2020): 117588. http://dx.doi.org/10.1016/j.energy.2020.117588.

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Lipian, Michal, Ivan Dobrev, Maciej Karczewski, Fawaz Massouh, and Krzysztof Jozwik. "Small wind turbine augmentation: Experimental investigations of shrouded- and twin-rotor wind turbine systems." Energy 186 (November 2019): 115855. http://dx.doi.org/10.1016/j.energy.2019.115855.

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Dissertations / Theses on the topic "Shrouded Wind Turbine"

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Khamlaj, Tariq A. "Analysis and Optimization of Shrouded Horizontal Axis Wind Turbines." University of Dayton / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1543845571758119.

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Sangoor, Abbas Jarullah. "Experimental and Computational Study of the Performance of a New Shroud Design for an Axial Wind Turbine." Youngstown State University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1433503872.

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Shoemaker-Trejo, Nathaniel (Nathaniel Joseph). "Preliminary design and viability consideration of external, shroud-based stators in wind turbine generators." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/75680.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2012.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 14-15).<br>Horizontal-axis wind turbine designs often included gearboxes or large direct-drive generators to compensate for the low peripheral speeds of the turbine hub. To take advantage of high blade tip speeds, an alternative generator configuration could employ a stator positioned in a shroud on the outside diameter of the turbine.' 7 I performed a preliminary investigation into some of the main design concerns and

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Tsai, Meng-Chiech, and 蔡孟杰. "The Study of A Shrouded Multi-Blade Wind Turbine." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/92178377669923170347.

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碩士<br>國立成功大學<br>航空太空工程學系碩博士班<br>92<br>The main purpose of the present study is to investigate in capability of shrouded multi-blade wind turbine with bell-shaped intake. The wind turbine capacity will be set in small wind turbine and the big wind energy area is main design point. In the present experiment, the exhaust fan will be set at the diffuser rear is used to make airflow and the inverter is used to control RPM of motor of exhaust fan and air speed in the flow pass. Thus the RPM change of the wind turbine under various air speeds could be obtained. Meanwhile, the different turbine charac

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Human, Jacobus Daniel. "Design of a shrouded wind turbine for low wind speeds / Jacobus Daniel Human." Thesis, 2014. http://hdl.handle.net/10394/15291.

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The use of renewable energy is promoted worldwide to be less dependent on fossil fuels and nuclear energy. Therefore research in the field is driven to increase efficiency of renewable energy systems. This study aimed to develop a wind turbine for low wind speeds in South Africa. Although there is a greater tendency to use solar panels because of the local weather conditions, there are some practical implications that have put the use of solar panels in certain areas to an end. The biggest problem is panel theft. Also, in some parts of the country the weather is more suitable to apply wind tur

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Lin, Siou-Ping, and 林修平. "Study of the Aerodynamic Performance of a Micro Shrouded Three-Bladed Wind Turbine." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/13476969440669774420.

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碩士<br>雲林科技大學<br>機械工程系碩士班<br>98<br>The main purpose of this study is to use commercial software-ANSYS CFX with guards on the three-blade wind turbine analysis, drawn by the blade geometry using Solidworks Import CFX simulation, analysis of model results and observed data flow field. In the study, first study space to observe the case Venturi leaves were placed in the shroud of the tapered shape of the middle section on the natural、throat and middle of ,and the placed with the entrance of the diffuser、exit with contractions. Comparison of simulation results using different locations flow structu

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Chen, Yen-Yu, and 陳彥佑. "Performance Studies of Horizontal-axis and Vertical-axis Wind Turbines with Shrouds." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/41148792605970191481.

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碩士<br>淡江大學<br>航空太空工程學系碩士班<br>102<br>The thesis studies of horizontal-axis and vertical-axis wind turbines with shrouds, which is divided into two parts. Part 1 investigates the aerodynamic characteristics of horizontal-axis wind turbine (HAWT) with different flanged diffusers and blades. Results show that larger power output is obtained when the pitch angle of the blades is fixed at 30°, and the chord length ratio between the blade root and tip is fixed at 0.3. Flanged diffuser diffusion angle of 30° have larger power output. Part 2 investigate a vortical stator assembly (VSA) which was deve

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Cheng, Chien-Chen, and 鄭健成. "Studies of aerodynamic characteristics of twist blades on small horizontal-axis wind turbines with shroud." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/77163635241154884846.

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碩士<br>淡江大學<br>航空太空工程學系碩士班<br>99<br>This thesis studies the aerodynamic characteristics of a small horizontal-axis wind turbine with twisted blades and a shrouded diffuser with flange. First, a numerical study is conducted using a FLUENT software to investigate the effects of flanged diffusers on flow characteristics. Results show that the flow is accelerated inside the diffuser, which is roughly, linearly proportional to the diffuser angle and the flange length. Second, wind tunnel tests are conducted without and with the flanged diffuser, without and with twisted blade angle, under different

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Book chapters on the topic "Shrouded Wind Turbine"

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Ngouani, M. M. Siewe, Yong Kang Chen, R. Day, and O. David-West. "Low-Speed Aerodynamic Analysis Using Four Different Turbulent Models of Solver of a Wind Turbine Shroud." In Springer Proceedings in Energy. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-63916-7_19.

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AbstractThis study presents the effect of four different turbulent models of solver on the aerodynamic analysis of a shroud at wind speed below 6 m/s. The converting shroud uses a combination of a cylindrical case and an inverted circular wing base which captures the wind from a 360° direction. The CFD models used are: the SST (Menter) k-ω model, the Reynolds Stress Transport (RST) model, the Improved Delay Detached Eddies Simulation model (IDDES) SST k-ω model and the Large Eddies Simulation Wall Adaptive model. It was found that all models have predicted a convergent surface pressure. The RST, the IDDES and the WALE LES are the only models which have well described regions of pressure gradient. They have all predicted a pressure difference between the planes (1–5) which shows a movement of the air from the lower plane 1 (inlet) to the higher plane 5 (outlet). The RST and IDDES have predicted better vorticities on the plane 1 (inlet). It was also found that the model RST, IDDES, and WALE LES have captured properly the area of turbulences across the internal region of the case. All models have predicted the point of flow separation. They have also revealed that the IDDES and the WALE LES can capture and model the wake eddies at different planes. Thus, they are the most appropriate for such simulation although demanding in computational power. The movement of air predicted by almost all models could be used to drive a turbine.

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Sharma, S., S. Anand, and Koushik Das. "Flow Analysis of Vortex Generators in the Shroud of a Horizontal Axis Wind Turbine." In Advances in Mechanical Engineering. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-0124-1_6.

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"A Shrouded Rotor." In Innovation in Wind Turbine Design. John Wiley & Sons, Ltd, 2011. http://dx.doi.org/10.1002/9781119975441.ch18.

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Ohya, Yuji, and Takashi Karasudani. "A Shrouded Wind Turbine Generating High Output Power with Wind-Lens Technology." In Wind Turbine Technology. Apple Academic Press, 2014. http://dx.doi.org/10.1201/b16587-4.

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"Shrouded rotors." In Aerodynamics of Wind Turbines. Routledge, 2015. http://dx.doi.org/10.4324/9781315769981-11.

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"Shrouded Rotors." In Aerodynamics of Wind Turbines, 2nd edition. Routledge, 2013. http://dx.doi.org/10.4324/9781849770408-9.

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Conference papers on the topic "Shrouded Wind Turbine"

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Khamlaj, Tariq A., and Markus Rumpfkeil. "Optimization Study of Shrouded Horizontal Axis Wind Turbine." In 2018 Wind Energy Symposium. American Institute of Aeronautics and Astronautics, 2018. http://dx.doi.org/10.2514/6.2018-0996.

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Vafiadis, K., H. Fintikakis, I. Zaproudis, and A. Tourlidakis. "Computational Investigation of a Shrouded Vertical Axis Wind Turbine." In ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/gt2016-56190.

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In urban areas, it is preferable to use small wind turbines which may be integrated to a building in order to supply the local grid with green energy. The main drawback of using wind turbines in urban areas is that the air flow is affected by the existence of nearby buildings, which in conjunction with the variation of wind speed, wind direction and turbulence may adversely affect wind energy extraction. Moreover, the efficiency of a wind turbine is limited by the Betz limit. One of the methods developed to increase the efficiency of small wind turbines and to overcome the Betz limit is the in

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Aranake, Aniket, Vinod Lakshminarayan, and Karthik Duraisamy. "Computational Analysis of Shrouded Wind Turbine Configurations." In 51st AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition. American Institute of Aeronautics and Astronautics, 2013. http://dx.doi.org/10.2514/6.2013-1211.

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Marie, Hazel, and Abbas Jarullah. "Experimental and Computational Comparison Between Widnall and E423 Shroud Designs for an Axial Wind Turbine." In ASME 2017 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/imece2017-71937.

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For at least 3000 years before using wind to generate electricity, wind power had been used on land, mainly for grinding grain or pumping water, and at sea, as power for sailing ships. In relatively recent times, the usage of wind turbines to generate electricity has gained momentum. This is partially due to environmental threats from fossil fuel usage. It has become essential to look for energy sources which are renewable and clean to eliminate or reduce the environmental pollution and lower economic costs. However, using wind turbines in traditionally low wind speed areas has proved to be ec

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Langness, Chenaniah, Daniel Kolsky, Tyler Busch, Colin Davidson, and Christopher Depcik. "Proof-of-Concept Combined Shrouded Wind Turbine and Compressed Air Energy Storage System." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-62226.

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As the push for renewable energy sources continues, one significant drawback over fossil fuels is that they are not reliable. Wind is not guaranteed at all times, and the sun does not always shine. Moreover, the demand for electricity is variable due to daily and seasonal swings in power draw from the grid. Conventional power plants can increase or reduce production to meet seasonal demand, but usually cannot meet daily fluctuations. Therefore, power plants must maintain a relatively high level of electrical generation capacity throughout the day even if the current demand is low. A prime plac

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Foote, Tudor, and Ramesh Agarwal. "Power Generation From Wind Turbines in a Solar Chimney." In ASME 2011 5th International Conference on Energy Sustainability. ASMEDC, 2011. http://dx.doi.org/10.1115/es2011-54085.

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In past several years, several studies have shown that the shrouded wind turbines can generate greater power compared to bare turbines. A solar chimney not only generates an upward draft of the wind inside the solar tower but also creates a shroud around the wind turbine. There is large number of empty silos on farms, especially in mid-western U.S. They can be used as a solar chimney with minor modifications at very modest cost. The objective of this study is to determine the potential of these silos/chimneys in generating wind-power by installing a wind turbine inside the silo. An analytical/

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Siddappaji, Kiran, and Mark G. Turner. "Revolutionary Geometries of Mobile Hydrokinetic Turbines for Wind Energy Applications." In ASME Turbo Expo 2015: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/gt2015-42342.

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An abundant source of renewable energy is feasible by harnessing the kinetic energy of moving water using hydrokinetic turbines. The knowledge of wind turbine design, turbomachinery and fluid dynamic principles of incompressible flow can be applied to design traditional and novel geometries of mobile hydrokinetic turbines. A preliminary design is created using the Blade Element Momentum Theory (BEMT) which includes the Prandtl’s correction for tip losses and model corrections. The axial and angular induction factors are calculated iteratively taking into account the coefficient of lift and dra

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Zhu, Hongzhong, Makoto Sueyoshi, Changhong Hu, and Shigeo Yoshida. "Modelling and attitude control of a shrouded floating offshore wind turbine with hinged structure in extreme conditions." In 2017 IEEE 6th International Conference on Renewable Energy Research and Applications (ICRERA). IEEE, 2017. http://dx.doi.org/10.1109/icrera.2017.8191162.

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Oka, Nobuhito, Masato Furukawa, Kazutoyo Yamada, Akihiro Oka, and Yasushi Kurokawa. "Aerodynamic Performances and Flow Fields of Pareto Optimal Solutions in an Aerodynamic Design of a Wind-Lens Turbine." In ASME Turbo Expo 2015: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/gt2015-43619.

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The new type of shrouded wind turbine called “wind-lens turbine” has been developed. The wind-lens turbine has a brimmed diffuser called “wind-lens”, by which the wind concentration on the turbine blade and the significant enhancement of the turbine output can be achieved. A simultaneous optimization method for the aerodynamic design of rotor blade and wind-lens has been developed. The present optimal design method is based on a genetic algorithm (GA) which enables multi objective aerodynamic optimization. In the present study, aerodynamic performances and flow fields of the Pareto optimal sol

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Corral, Roque, Josu Beloki, Paolo Calza, and Robert Elliot. "Flutter Generation and Control Using Mistuning in a Turbine Rotating Rig." In ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/gt2016-57949.

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The paper describes a free-flutter experiment on a stand-alone low-pressure turbine bladed rotor in a high-speed rotating wind tunnel together with the most relevant design decisions and solutions obtained for a low-reduced frequency cantilever shrouded rotor blade design. The test rotor underwent an experimental campaign with independent control of the shaft speed, pressure ratio and air density levels. Measurements were obtained entirely by means of non-intrusive techniques such as blade tip timing optical probes, and unsteady pressure transducers located in the outer casing of the rig downs

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