风力发电机叶片雾凇积冰特性数值研究

2023 6th International Conference on Energy, Electrical and Power Engineering (CEEPE) Pub Date : 2023-05-12 DOI:10.1109/CEEPE58418.2023.10167305

Fawu Li, Hao Lu, Yongzhong Xu

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引用次数: 0

摘要

风力机叶片上积冰会改变叶片的气动性能，增加附加负荷，进而严重降低发电量。为了提高发电效率，本文采用数值模拟方法对风力机叶片结冰进行预测。利用Fensap-Ice软件和ANSYS FLUENT软件对叶片的吸冰过程和气动特性进行了结合和预测。研究了风力机叶片积冰特性，以及不同迎角和水滴中值直径结冰对叶片气动性能的影响。结果表明:随着AoA的增大，整个冰覆盖面积向压力面移动，压力面和吸力面冰极限点下移;当MVD为40 μm时，气动性能变化率最大。升力系数和阻力系数的变化率分别为9.4%和54.74%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A Numerical Study on Rime Ice Accretion Characteristics for Wind Turbine Blades

Ice accumulation on wind turbine blade will change aerodynamic performance of blade, increase additional load and then seriously reduce the power generation. To improve power generation, numerical simulation is applied to predict wind turbine blade icing in this paper. The ice accretion process and aerodynamic characteristics of the blade are combined and predicted by using the Fensap-Ice and ANSYS FLUENT software. The features of ice accumulation on wind turbine blade and the influence of icing with different angles of attack (AoA) and median diameter of water droplets (MVD) on aerodynamic performance are studied. It is concluded that with augment of AoA, the whole ice-covered area moves toward pressure surface, the ice limit point of pressure surface and suction surface moves down. When the MVD is 40 μm, the change rate of aerodynamic performance is the largest. The change rate of lift coefficient and drag coefficient is 9.4 % and 54.74 %, respectively.

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来源期刊

2023 6th International Conference on Energy, Electrical and Power Engineering (CEEPE)

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