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首页> 外文会议>International Conference on Signal Processing, Communication, Power and Embedded System >Theoretical Evaluation of Axial Induction Factor and Pressure Distribution on Wind Turbine Blades
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Theoretical Evaluation of Axial Induction Factor and Pressure Distribution on Wind Turbine Blades

机译：风力涡轮机叶片轴向感应系数和压力分布的理论评价

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摘要

In this paper BEM & Glauert theory of momentum are investigated for the magnitude of axial induction factor, thrust coefficients and axisymmetric pressure distribution by Kinner. The axial induction factor characteristic is analyzed around the rotor blade in order to determine the extent of velocity gradient in the flow stream relative to free stream. The influence of yaw and wake skew angles on the power coefficient of turbine is analyzed for axial induction factor variation, from tip of blades in the wake stream and when blade passes the tower. The lift and drag coefficients vary with angle of attack and tip speed ratios which enables to determine the behavior of axial and tangential induction factor observed at different blade locations. The axial induction factor is calculated also according to the azimuthal averaged positions of the turbine rotor during the operation.
机译：在本文中，对Kinner的轴向诱导因子，推力系数和轴对称压力分布的幅度进行了BEM和Glauert理论。在转子叶片周围分析轴向感应因子特性，以便确定流动流中相对于自由流的速度梯度的程度。分析了横摆物和唤醒歪斜角度对涡轮机电力系数的影响，用于轴向感应因子变化，从尾流中的叶片尖端以及叶片通过塔架时。电梯和拖动系数随着攻击角和尖端速度比而变化，其能够确定在不同刀片位置观察到的轴向和切向感应因子的行为。在操作期间还根据涡轮机转子的方位平均位置计算轴向感应因子。

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