A PRESCRIBED WAKE AERODYNAMIC MODEL FOR VERTICAL AXIS WIND TURBINES

被引:8
|
作者
BASUNO, B
COTON, FN
GALBRAITH, RA
机构
[1] Department of Aerospace Engineering, University of Glasgow
关键词
D O I
10.1243/PIME_PROC_1992_206_026_02
中图分类号
O414.1 [热力学];
学科分类号
摘要
A new aerodynamic model for the prediction of vertical axis wind turbine performance is introduced. The model is fully three dimensional and is derived from consideration of both momentum and vortex theories. In the calculation process the turbine wake is modelled by a series of shed and trailing vortices. The overall shape of the wake, however, is determined from momentum theory. Comparison is made between the new model and a free vortex method. Although the accuracy levels of the two techniques are equivalent, the prescribed wake model is more than two orders of magnitude faster. The prescribed wake model is also shown to compare well with field data. Finally, the future development of the model is discussed.
引用
收藏
页码:159 / 166
页数:8
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