PDF(1798 KB)
PDF(1798 KB)
PDF(1798 KB)
基于致动盘模型的单台风电机组尾流流场模拟
Numerical Simulation of Wind Turbine Wake Field Based on Actuator Disc Model
The incoming flow will generate wake behind a wind turbine, which will have a significant impact on the output power and fatigue load of the downstream wind turbine. With the increase of wind farm size and installed capacity, it has a great practical significance to carry on the in-depth study of the characteristics and rules of wind turbine wake. The commonly used computational fluid dynamics (CFD) method in wake simulation is time-consuming. To simplify the calculation process, a numerical model for single wind turbine wake simulation based on actuator disc (AD) concept is proposed. The role of wind turbine in flow field is simulated through adding thee source term of body force. The velocity distribution at different downstream positions of the wind turbine is obtained by the commercial software Fluent, which are compared with the wind tunnel data and Jensen wake model. The results show that the AD model can well capture the flow field characteristics of the wake area, especially for the flow field information of the far-wake area.
风电机组 / 尾流效应 / 致动盘模型 / 计算流体力学 / 体积力源项 / wind turbine / wake effect / actuator disc model / computational fluid dynamics / source term of body force
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