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TIME HISTORY ANALYSIS OF WIND LOAD ON ARRAYED SOLAR PANELS BASED ON CFD SIMULATIONS
Authors
侯巍
张超
+4 more
漆文刚
牛斌
王立敏
马丽
Publication date
1 January 2016
Publisher
Abstract
针对光伏阵列所受风压复杂且具有时程特性,采用CFD方法分析平均风及脉动风影响下多排阵列风荷载的时间历程,并与稳态场结果对比。研究表明:基于改进的谐波叠加法和Davenport谱编写的计算程序所得的脉动风信号在频域能量分布上与目标谱相近;流场中漩涡脱落使得平均风下壁面受力呈周期性振荡,其幅值除首排阵列外相对稳态场均有所增大,考虑脉动风后,各排受力幅值相对平均风又有所增大;脉动风影响下光伏板受力主频范围扩大,与结构固有频率更接近;顺风向各排所受风压存在一定的折减。光伏阵列排布及结构设计时,应基于脉动风计算结果划分风载荷区域并考虑防振抗振
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Institute Of Mechanics,Chinese Academy of Sciences
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Last time updated on 12/02/2018