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建筑女儿墙对光伏板风载特性影响的风洞试验研究
张学森1 , 李 丹2 , 吴香国3,4 , 张洪福5 , 刘婷婷5
摘 要

(1 中国广核新能源控股有限公司, 北京 100070; 2 保定建业集团有限公司, 保定 071000;3 福州大学土木工程学院, 福州 350108; 4 哈尔滨工业大学结构工程灾变与控制教育部重点实验室, 哈尔滨 150090; 5 东北林业大学土木工程学院, 哈尔滨 150040)

摘要: 屋顶是光伏板结构的重要载体,屋顶形式以及屋顶附属结构形状等因素会影响屋顶光伏板表面风载特性,其中女儿墙靠近屋顶来流风流动分离起始区域,位置较为敏感,对板面风荷载的影响不容忽视。 基于此,通过风洞试验研究了无女儿墙建筑屋顶、有 600mm 高女儿墙屋顶两种情况下的屋顶光伏板风载特性,给出了屋顶光伏板风压系数。 研究结果表明,屋顶不设置女儿墙时,光伏阵列的迎风前缘角部位置和后排受风吸力;女儿墙对最不利风向角下光伏阵列的极值风吸力起到抑制作用,屋顶光伏板阵列的合成平均风压系数降低百分率达到 72􀆰 5%。 此外,将研究结果与相关规范进行了对比分析,表明在屋顶设置女儿墙情况下,规范高估了光伏板表面风压。

关键词: 建筑屋顶; 光伏板; 风洞试验; 女儿墙; 风压系数

中图分类号:TU312 文献标志码:A 文章编号:1002⁃848X(2022)14⁃0115⁃09

 

DOI:10􀆰 19701 / j􀆰 jzjg􀆰 YG220091

 

Wind tunnel test study on influence of building parapet on wind load characteristics of photovoltaic panel

ZHANG Xuesen1, LI Dan2, WU Xiangguo3,4, ZHANG Hongfu5, LIU Tingting5

(1 CGN New Holdings Co. , Ltd. , Beijing 100070, China; 2 Baoding Construction Industry Groups. , Ltd. , Baoding 071000, China;3 College of Civil Engineering, Fuzhou University, Fuzhou 350108, China; 4 Key Lab of Structures Dynamic Behavior andControl of the Ministry of Education, Harbin Institute of Technology, Harbin 150090, China; 5 School of Civil Engineering,Northeast Forest University, Harbin 150040, China)

Abstract: The roof is an important carrier of the photovoltaic panel structure, the roof form and the shapes of the roofattached structures and other factors will affect the wind load characteristics of the roof photovoltaic panel surface, where theparapet is close to the starting area of the incoming wind flow separation from the roof, the location is more sensitive, theinfluence of the wind load on the panel surface should not be ignored. Based on this, the wind load characteristics of roofphotovoltaic panels under two cases of building roof without parapet and with 600mm high parapet through wind tunnel testwere studied, and the wind pressure coefficient of roof photovoltaic panels were given. The research results show that whenthe roof is not installed with parapet, the windward leading edge corner position and the back row of photovoltaic array aresubjected to wind suction. The parapet suppresses the extreme wind suction of the photovoltaic array under the mostunfavorable wind angle, and percentage reduction of synthetic mean wind pressure coefficient of the roof photovoltaic panelarray reaches 72􀆰 5%. In addition, the research results were compared and analyzed with the relevant codes. It isdemonstrated that the present code overestimates the surface pressure of the photovoltaic panel with the installing of parapet.

Keywords:building roof; photovoltaic panel; wind tunnel test; parapet; wind pressure coefficient

∗哈尔滨科技创新人才引导资金项目(2011RFLXG014),厦门市建设科技计划项目(XJK2020⁃1⁃9)。
第一作者:张学森,硕士,高级工程师,主要从事土木工程、结构风工程方面的研究,Email: zhangxuesen99@ 126. com。
通信作者:吴香国,博士,教授,主要从事新型结构及新材料方面的研究, Email: wuxiangguo@ hit. edu. cn。
 
[引用本文] 张学森,李丹,吴香国,等. 建筑女儿墙对光伏板风载特性影响的风洞试验研究[J]. 建筑结构,2022,52(14):115⁃123. ZHANG Xuesen,LI Dan,WU Xiangguo,et al. Wind tunnel test study on influence of building parapeton wind load characteristics of photovoltaic panel[J]. Building Structure,2022,52(14):115⁃123.
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