全民健身中心通风腔体几何参数对自然通风性能的敏感性分析  

Sensitivity Analysis of Geometric Parameters of Ventilation Cavity in National Fitness Center to Natural Ventilation Performance

作　　者：白晓伟 刘德明[1,3] 张伶伶 张龙巍[2] BAI Xiaowei;LIU Deming;ZHANG Lingling;ZHANG Longwei(School of Architecture,Harbin Institute of Technology,Harbin 150006;School of Architecture and Urban Planning,Shenyang Jianzhu University,Shenyang 110168;Key Laboratory of Cold Region Urban and Rural Human Settlement Environment Science and Technology,Ministry of Industry and Information Technology,Harbin 150090,China)

机构地区：[1]哈尔滨工业大学建筑学院,哈尔滨150006 [2]沈阳建筑大学建筑与规划学院,沈阳110168 [3]寒地城乡人居环境科学与技术工业和信息化部重点实验室,哈尔滨150090

出　　处：《建筑科学》2020年第8期114-122,159,共10页Building Science

基　　金：“十三五”国家重点研发计划(2016YFC0700200);国家自然科学基金重点项目(51738006);国家自然科学基金项目(51978418);辽宁省自然科学基金指导计划(2019-ZD-0657)。

摘　　要：通过调研归纳全民健身中心典型模型,提取空气龄、温度、风速为自然通风性能评价指标,针对6个腔体几何参数展开分析。结合参数化建模技术、计算流体力学(CFD)数值模拟技术、局部和全局敏感性的分析方法,系统探索腔体几何参数对自然通风性能的影响趋势,确定各参数敏感性指标。结果表明:腔体截面边长为最敏感参数,其次为腔体个数、交界面开口宽度和高度,交界面开口距地距离和腔体高度为非敏感参数。空气龄与敏感性参数呈幂函数关系变化,温度和风速与敏感性参数呈二次多项式或线性关系变化。A total of 6 geometric parameters of cavities are analyzed by summarizing the typical models of national fitness center and using air age,temperature and wind speed as the evaluation indicators of natural ventilation performance.The effects of such geometric parameters on natural ventilation performance are systematically explored by a range of methods(e.g.parametric modeling,CFD numerical simulation,local and global sensitivity analysis)to determine the sensitivity index of each parameter.The results show that the length of cavity section is the most sensitive parameter,followed by the number of cavities and the width and height of interface opening.The distance between interface opening and ground and the height of cavity are non-sensitive parameters.The air age changes with the sensitivity parameters by following a power function.The temperature and wind speed change with the sensitivity parameters by following a quadratic polynomial or linear relationship.

关 键 词：全民健身中心 腔体几何参数 自然通风 CFD数值模拟 敏感性分析 

分 类 号：TU831[建筑科学—供热、供燃气、通风及空调工程]