孙维栋;张鹏;张昌;

• 1:武汉纺织大学

摘要(Abstract)：

用PR方程结合vdW和HV混合法则建立了R1234yf/R134a的热物性模型,分析了混合物的气液相平衡特性曲线,发现R1234yf/R134a存在共沸点。当R1234yf/R134a的摩尔组分比为0.533/0.467,压力在400k Pa以上时,温度滑移最大约0.01K;当摩尔组分比为0.178/0.822,压力为200k Pa时,温度滑移最大为0.28K。根据余函数法导出了R1234yf/R134a的焓、熵计算式,可以用于R1234yf/R134a直接替代的工程研究。

关键词(KeyWords)： R1234yf/R134a;摩尔组分比;热物性

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 孙维栋;张鹏;张昌;

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参考文献(References)：

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