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首页> 外文会议>Fluids Engineering Conference Vol.2 Pt.D >Computation of Aerodynamic Performance Deterioration of Wind Turbine Blade due to Ice Accretion
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Computation of Aerodynamic Performance Deterioration of Wind Turbine Blade due to Ice Accretion

机译：积冰引起的风力涡轮机叶片空气动力性能下降的计算

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摘要

The attention for a wind power-generator has been attracted as one of the solutions for the environmental problems. When a wind turbine is operated in winter, supercooled water droplets impinge on the blade surface, and as the result ice accretes around the leading edge. It is well known that the occurrence of ice accretion on the wind turbine blade can lead to the severe deterioration of aerodynamic performance. However, the experiment is difficult, because it is not easy to create repeatedly the accretion conditions in a laboratory. Therefore, CFD is expected as a useful tool to predict and investigate the phenomena. In the present study, we develop the ice accretion code, and apply it to the MEL wind turbine blade. From the computational results, the shape of the ice-accreted blade and the deterioration of aerodynamic performance are numerically investigated.
机译：作为解决环境问题的解决方案之一，已经引起了对风力发电机的关注。在冬季运行风力涡轮机时，过冷的水滴会撞击叶片表面，结果冰会积聚在前缘周围。众所周知，在风力涡轮机叶片上积冰的发生会导致空气动力性能的严重恶化。但是，该实验很困难，因为在实验室中反复创建吸积条件并不容易。因此，CFD有望作为预测和研究现象的有用工具。在本研究中，我们制定了积冰规则，并将其应用于MEL风力涡轮机叶片。根据计算结果，对积冰的叶片的形状和空气动力性能的恶化进行了数值研究。

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