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常用制冷工质稠密流体的黏度推算方法 被引量：1

VISCOSITY PREDICTION OF VISCOUS FLUID OF COMMON REFRIGERANT
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摘要 本文通过关联无量纲化剩余黏度与对比密度的关系,提出了一种推算常用制冷工质稠密流体黏度的维里型黏度状态方程。应用该方程只需已知该工质的临界参数、分子量和偏心因子即可完成计算,使得迁移性质的计算在热力学面上和平衡性质的计算保持了完整的一致性。本文通过上述方法计算了9种常用制冷工质的液相黏度,与实验数据比较显示,总平均偏差为2.36%,最大偏差为27.6%。 In this study, a Virial-type viscosity Equation of State （EOS） used for predicting the viscosity of the viscous fluid of common refrigerant was established via relating the dimensionless residual viscosity with the reduced density. Adopting this equation, only the critical parameters, molecular weight and eccentric factor of the refrigerant are needed to conduct the calculation. Therefore, on the thermodynamic surface, there is an integrated concordance between the calculation of transport property and that of equilibrium property. According to this new equation, the viscosities of nine common refrigerants in liquid phase were calculated. Compared with the experimental data, the total average deviation is 2.36% and the maximum deviation is 27.6%.
作者 薛榕 何茂刚 张颖 杨亚晶
机构地区 西安交通大学动力工程多相流国家重点实验室
出处 《工程热物理学报》 EI CAS CSCD 北大核心 2008年第12期2003-2006,共4页 Journal of Engineering Thermophysics
基金 国家自然科学基金项目资助(No.50376049 No.50521604) 教育部"新世纪优秀人才支持计划"(No.NCET-04-0925)
关键词 维里型黏度状态方程 黏度推算 制冷工质 virial-type viscosity equation of state viscosity prediction refrigerant
分类号 TB612 [一般工业技术—制冷工程]
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参考文献23

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二级参考文献40

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共引文献1

同被引文献16

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工程热物理学报
2008年 第12期

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