CFD Analysis of the Effect of Atmospheric Boundary Layer on Wind Turbine Wake
Keita Kimura, Yasutada Tanabe, Takashi Aoyama, Chuichi Arakawa, Yuichi Matsuo, Makoto Iida
May 8, 2017
CFD Analysis of the Effect of Atmospheric Boundary Layer on Wind Turbine Wake
- Presented at Forum 73
- 7 pages
- SKU # : 73-2017-0028
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CFD Analysis of the Effect of Atmospheric Boundary Layer on Wind Turbine Wake
Authors / Details: Keita Kimura, Yasutada Tanabe, Takashi Aoyama, Chuichi Arakawa, Yuichi Matsuo, Makoto IidaAbstract
The wake behind a wind turbine in an atmospheric boundary layer (ABL) is investigated using a numerical simulationmethod. From the viewpoint of cost effectiveness, collective installations (wind farms) are desired because they can reducethe total length of the power-transmission lines and labor costs for maintenance. However, a wake from an upwind turbinemay significantly reduce power production downstream and cause large load variations on the blades. Numerical methodsbased on computational fluid dynamics (CFD) are efficient for investigating the structures and characteristics of wind-turbinewakes. This study mainly discusses the effect of wind shear of ABL on a wind turbine wake by focusing on the behavior oftip vortices and recovery process of velocity deficits. It is found that the wind shear mainly influence on near-wake structureand the effect on far-wake is relatively weak.
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CFD Analysis of the Effect of Atmospheric Boundary Layer on Wind Turbine Wake
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