Volume 14, Issue 2 (5-2014)
Modares Mechanical Engineering 2014, 14(2): 79-84 |
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Esfandiari A, Bazargan M. Effects of Blade Mount Point and Preset Pitch on Performance of Vertical Axis Wind Turbines. Modares Mechanical Engineering 2014; 14 (2) :79-84
URL: http://mme.modares.ac.ir/article-15-5999-en.html
URL: http://mme.modares.ac.ir/article-15-5999-en.html
1- K. N. Toosi University of Technology
Abstract: (5780 Views)
Due to growth of energy consumption and depletion of fossil fuels sources, power generation of renewable energy sources such as wind energy has become one of the main interests of researchers. Among different types of wind turbines used for extracting electric power from wind flow, vertical axis wind turbines can be implemented in urban areas and in proximity of energy consumers because of their independence of wind direction, low sensitivity to wind turbulence and lower noise production. In this paper a straight-bladed vertical axis wind turbine has been simulated 3 dimensionally by use of a commercial CFD code. The numerical results have been validated against available experimental data. To improve the performance of the turbine, the effects of blade mount point offset and preset pitch have been investigated. The results show that appropriate blade offset and preset pitch for this case study leads to a 60 and 65 percent increase in the maximum performance coefficient respectively.
Article Type: Research Article |
Subject:
CFD
Received: 2013/02/16 | Accepted: 2013/04/27 | Published: 2014/04/20
Received: 2013/02/16 | Accepted: 2013/04/27 | Published: 2014/04/20
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