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根据置换通风系统的工作原理,介绍了置换通风热力分层高度的定义及数值计算方法,并对送风温度、送风速度等因素对热力分层高度的影响作了定性分析。在此基础上拟合出量纲一热力分层高度的经验公式。
According to the working principle of displacement ventilation system, the definition and numerical calculation method of displacement height of thermal ventilation are introduced. The influence of supply air temperature and blowing velocity on the height of thermal stratification is qualitatively analyzed. Based on this, we fit the empirical formula of dimension-heat stratification height.