A Numerical Investigation into the Effects of Fluctuating Wind on the Performance of a Small Scale Vertical Axis Wind Turbine

被引：0
|
作者：
Danao, Louis Angelo [1 ]
Edwards, Jonathan [2 ]
Eboibi, Okeoghene [3 ]
Howell, Robert [4 ]
机构：
[1] Univ Philippines, Dept Mech Engn, Quezon City, Philippines
[2] Univ Sheffield, Dept Civil & Struct Engn, Sheffield, S Yorkshire, England
[3] Univ Sheffield, Dept Mech Engn, Sheffield, S Yorkshire, England
[4] Univ Sheffield, Dept Mech Engn, Expt Aerodynam, Sheffield, S Yorkshire, England
来源：
ENGINEERING LETTERS | 2013年 / 21卷 / 03期
关键词：
unsteady wind; VAWT; CFD; wind tunnel;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
CFD simulations of VAWT operation in unsteady wind conditions have been conducted. Validation of the numerical model was carried out by comparison to experimental data of a wind tunnel scale rotor. The performance of the VAWT under fluctuating winds was investigated and results show a dependency to wind speed. Increasing wind speeds cause blade lift to increase more rapidly than drag resulting to higher torque values. Deviation of instantaneous rotor CP from steady wind performance curve was seen. Rotor cycle CP matches steady wind values at the corresponding mean tip speed ratio.
引用
收藏
页码：149 / 157
页数：9
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