Numerical Simulation of Wind Turbine Wakes in Typical Complex Terrains Based on LBM-LES Method

被引：0
|
作者：
Xu C. [1 ]
Huang H. [1 ]
Shi C. [2 ]
Duan H. [1 ]
Li G. [1 ]
Li L. [3 ]
机构：
[1] College of Energy and Electrical Engineering, Hohai University, Nanjing, 211100, Jiangsu Province
[2] Jiangsu Power Design Institute Co., Ltd. of China Energy Engineering Group, Nanjing, 211102, Jiangsu Province
[3] Faculty of Mechanical Engineering & Automation, Zhejiang Sci-Tech University, Hangzhou, 310018, Zhejiang Province
来源：
| 1600年 / Chinese Society for Electrical Engineering卷 / 40期
基金：
山西省青年科学基金; 中国国家自然科学基金;
关键词：
Complex terrain; Large eddy simulation; Lattice Boltzmann method; Numerical simulation; Wind turbine;
D O I：
10.13334/j.0258-8013.pcsee.191941
中图分类号：
学科分类号：
摘要：
In order to study the characteristics of wind turbine wake in typical complex terrains, a numerical model based on lattice Boltzmann method (LBM) and large eddy simulation (LES) was adopted. To verify the reliability of the calculation model, three sub-grid scale turbulence models were selected to simulate the flow field induced by the MEXICO wind turbine. It is found that the wall adaptive local eddy (WALE) model performs better than the others investigated. Then, the flow field of a 2 MW wind turbine on typical hills with different slopes was calculated and analyzed by using the WALE model. The results were compared with that in the flat terrain. It is found that the wind turbine wake at the top of the hill interacts with the backflow on the leeward side of the hill. The wakes of both wind turbine and hill on the leeward side are mixed with each other, and the wake of wind turbine will move downward along the slope of the hill when the slope is small. © 2020 Chin. Soc. for Elec. Eng.
引用
收藏
页码：4236 / 4243
页数：7
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