表面张力是有沸腾和凝结的换热计算必不可少的物性参数,作为制冷剂替代物,HFC和HCFC物质的表面张力数据对于制冷空调设备的设计十分重要.本文应用对比态原理和重正化群理论,提出了一种新的HFC和HCFC物质表面张力的预估方程,可以在广阔的温度范围内高精度地再现实验数据,计算精度可满足工程实际需要,并与国际上现有的关联式进行了比较分析.
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