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采用PR方程的二元混合制冷剂摩擦理论黏度模型 被引量：3

Friction theory viscosity model of binary refrigerant mixtures based on PR state equation
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摘要 黏度是一项重要的热物理性质,基于摩擦理论和PR状态方程,提出了一种新的用于计算气相黏度的模型。利用7种HFC混合制冷剂(R500、R502、R125/R32、R152a/R22、R22/R142b、R134a/R32、R125/R134a)的气相黏度实验数据对提出的模型进行了计算对比。结果表明,在拟合范围内,模型计算值与实验值的绝对平均偏差均小于4%,可以满足工程计算的需要。 Viscosity is an important thermal physical property. A gas viscosity model was established based on the friction theory combined with the PR equation of state. By using seven refrigerant mixtures from the literature （R500, R502, R125/R32, R152a/R22, R22/R142b, R134a/R32）, the experimental data of gas phase viscosity for the proposed model was calculated. The results show that in the fitting range the average absolute deviations between the viscosity values of the data in literatures and the values of calculated are less than 4%, which can satisfy the needs of engineering calculation.
作者 岳泓亚 王风坤 范晓伟 刘志刚
机构地区 西安交通大学热流科学与工程教育部重点实验室 中原工学院能源与环境学院
出处 《热科学与技术》 CAS CSCD 北大核心 2013年第4期290-294,共5页 Journal of Thermal Science and Technology
基金 国家自然科学基金资助项目(51006127)
关键词 摩擦理论 PR状态方程 混合制冷剂 气相黏度 friction theory PR equation of state refrigerant mixtures gas phase viscosity
分类号 TU833.1 [建筑科学—供热、供燃气、通风及空调工程] TQ050.1 [化学工程]
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参考文献15

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共引文献2

同被引文献43

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热科学与技术
2013年 第4期

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