多叶排烟口/多叶加压送风口气密性标准如何应用的探讨  

Application of air tightness standards for multi-blade exhaust smoke outlets/air inlets

作　　者：刘朝贤[1] 

机构地区：[1]中国建筑西南设计研究院有限公司

出　　处：《暖通空调》2011年第11期86-91,共6页Heating Ventilating & Air Conditioning

摘　　要：针对多叶排烟口/多叶送风口气密性标准只是从宏观角度反映关闭风口气流泄漏的综合性控制指标,无法直接用于加压送风系统关闭风口漏风量计算,提出将风口气密性标准转换成能表征漏风量与压差之间的函数关系的两个替代参数———风口漏风面积率和压差指数的方法,建立了两者的计算数学模型。并对国内外部分风口气密性标准的转换进行了数值计算,为关闭风口漏风量计算提供了支持。Viewing at the fact that the air tightness standards for multi-blade exhaust smoke outlets/ air inlets are merely an integrated control index reflecting the leakage of closed opening from a macro perspective,therefore they can not directly be used for leakage calculation of pressurization air supply system,suggests the air tightness standards to be converted into two alternative parameters indicating the function relationship between leakage and pressure difference—air leakage area ratio of air opening and pressure difference index,and sets up the mathematical model of them.Simulates the conversion of some domestic and international air tightness standards for air opening,providing a reference for leakage calculation of closed openings.

关 键 词：风口气密性标准 替代参数 漏风面积率 压差指数 漏风量 

分 类 号：TU834[建筑科学—供热、供燃气、通风及空调工程]