不同叶尖速比下VAWT的叶片冰型及性能影响
Blade Ice Shape and Performance Influence of VAWT at Different Tip Speed Ratios
摘要: 风力机叶片结冰后会造成大量的能量损失，本文在Fensap-ice中应用多时间步的方法，模拟静叶片表面的结冰，验证结果表明，本文冰型计算的方法具有准确性，模拟得到不同相对风速下的冰型。然后，构建垂直轴风力机整机模型，应用Ansys-cfx计算不同叶尖速比下垂直轴风力机结冰前后的功率系数，发现不同叶尖速比下结冰对功率系数的影响不同，随着叶尖速比的增大，功率系数下降程度增加。
Abstract: Wind turbine blades will cause a lot of energy loss after icing. In this paper, the multi-time step method is applied in Fensap-ice to simulate the icing on the surface of static blades. The verification results show that the method of ice shape calculation in this paper is accurate, and the ice shapes under different relative wind speeds are simulated. Then, the whole model of vertical axis wind turbine is built, and the power coefficient of vertical axis wind turbine before and after icing under different tip speed ratios is calculated by Ansys-cfx. It is found that icing has different effects on the power coefficient under different tip speed ratios, and the power coefficient decreases with the in-crease of tip speed ratios.
文章引用：任翠芳. 不同叶尖速比下VAWT的叶片冰型及性能影响[J]. 建模与仿真, 2022, 11(2): 279-287. https://doi.org/10.12677/MOS.2022.112025

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