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文献上常采用有效膜传热系数的方法来考虑管外水膜传热传质的综合效果，用析湿系数考虑对空气增湿降温的效果，这种基于对数平均温差或ε～ＮＴＵ方法对湿式空冷器进行热计算是比较粗糙和近似的．本文基于Ｍｅｒｋｅｌ的焓差法，用容积散质系数的方法对水膜的传热传质进行分析．在实验过程中改变了空气质流量以及喷水强度，测得有关数据，整理得出βｘｖ值．用多元回归方法得出的βｘｖ关联式，可供喷雾强化空冷器设计时选用
Literature often use the effective membrane heat transfer coefficient to consider the comprehensive effect of heat and mass transfer of water outside the tube, with the desiccant coefficient to consider the effect of air humidification cooling, which is based on the logarithmic mean temperature difference or ε ~ NTU method Thermal calculation of wet air coolers is rough and approximate. In this paper, based on Merkel’s enthalpy difference method, the heat and mass transfer of water film was analyzed by volumetric bulk density. In the course of the experiment changed the air quality flow and water intensity, measured the data, finishing the βxv value. The βxv correlation obtained by the multiple regression method is available for spray-enhanced air-cooler design