刘圣春,刘江彬,宁静红
LIU Sheng-chun,LIU Jiang-bin,NING Jing-hong

• 1:天津商业大学天津市制冷技术重点实验室

摘要(Abstract)：

总结了常见的池沸腾换热关联式。通过对池沸腾换热过程分析得出CO2在小热流密度和大热流密度范围下的一种分段的换热关联式。将新的拟合公式值和预测关联式值进行比较,得出CO2的拟合公式值与理论关联式及实验拟合关联式的预测值的偏差在±16%之内,具有一定的通用性。通过对CO2池沸腾换热过程的分析,得出池沸腾换热的影响因素及其变化规律,并总结了常用的强化池沸腾换热方法。
The common heat transfer correlations of pool boiling is summarized,and a correlation of CO2 heat transfer is attained after analyzing heat transfer performance.The deviation within 16% of CO2 fitting formula value compared to prediction values of theoretical pool boiling correlation of conventional refrigerants and experimental fitting correlation of CO2 is obtained,which shows that it is of universal.The effects on pool boiling heat transfer and the variation law are pointed out by analyzing the process of CO2 pool boiling heat transfer,and the common methods,using to enhance pool boiling heat transfer,are summarized in the paper.

关键词(KeyWords)： CO2;池沸腾换热;关联式
CO2;pool boiling heat transfer;correlation

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目(51006073,51176142)

作者(Author): 刘圣春,刘江彬,宁静红
LIU Sheng-chun,LIU Jiang-bin,NING Jing-hong

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