结冰对调距大型风力发电机组性能影响的数值研究

IF 1.5 Q4 ENERGY & FUELS

Wind Engineering Pub Date : 2022-10-17 DOI:10.1177/0309524X221130110

A. Kangash, M. Virk, P. Maryandyshev

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引用次数: 1

摘要

本文研究了结冰对桨距调节大型风力发电机组性能的影响。对NREL 5mw风力机在不同自由流速度下的6个叶片截面进行了数值模拟。采用基于计算流体力学(CFD)的叶片元动量(BEM)方法进行多相数值模拟。分析表明，除三维效应外，模拟参数与实际工况吻合较好。分析了叶片剖面周围的冰形和空气/液滴流场，并进行了气动性能和产能退化计算。叶片顶端受结冰影响最大，气动性能变化最大。风力涡轮机性能的最大降幅估计在24%左右。

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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Numerical study of icing impact on the performance of pitch-regulated large wind turbine

This paper presents a study of the impact of icing on the performance of a pitch-regulated large wind turbine. Numerical simulations of six blade sections of the NREL 5 MW wind turbine at various free stream velocities are performed. Blade Element Momentum (BEM) method along Computational Fluid Dynamics (CFD) bases multiphase numerical simulations are used for this study. Analysis shows that the simulated parameters are in good agreement with the real conditions for each blade element during operation, except for the three-dimensional effects. The analysis of accreted ice shapes and air/droplet flow fields around the blade profile sections was carried out, and the calculation of aerodynamic performance, and energy production degradation was also performed. The tip of the blade is most affected by icing, it is characterized by the greatest changes in the aerodynamic performance. Maximum reduction in the wind turbine performance is estimated to be around 24%.

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来源期刊

Wind Engineering ENERGY & FUELS-

CiteScore

4.00

自引率

13.30%

发文量

期刊介绍： Having been in continuous publication since 1977, Wind Engineering is the oldest and most authoritative English language journal devoted entirely to the technology of wind energy. Under the direction of a distinguished editor and editorial board, Wind Engineering appears bimonthly with fully refereed contributions from active figures in the field, book notices, and summaries of the more interesting papers from other sources. Papers are published in Wind Engineering on: the aerodynamics of rotors and blades; machine subsystems and components; design; test programmes; power generation and transmission; measuring and recording techniques; installations and applications; and economic, environmental and legal aspects.