混合制冷剂液相导热系数预测方程

工程热物理学报 , 2000, 21(3): 285-288.

1.清华大学热能工程系,北京,100084

2.清华大学热能工程系,北京,100084

3.清华大学热能工程系,北京,100084

4.清华大学热能工程系,北京,100084

基金项目: 国家高技术研究发展计划(863计划)(59706012)

RESEARCH ON PREDICTION EQUATION OF THERMAL CONDUCTIVITY OF LIQUID MIXTURES

本文提出了一个预测液相制冷剂混合物导热系数的方程.这种预测方法仅需要已知混合物各组元的导热系数、分子量、摩尔成分等几种物性、就可预测混合物的导热系数.本预测方程形式简单,并通过与文献试验数据及其它预测方程比较,证明本预测方程的计算精度比其它方程较高,能够满足工程要求.

[1]	童景山.流体的热物理性质[M].北京:中国石化出版社,1996:298-302.
[2]	陈则韶;藤井哲;藤井丕夫等.有机棍合液体导热系数推算的研究[J].工程热物理学报,1989,10(04):417-421.
[3]	孙立群 .HFC-32和HFC-125的粘度及导热系数的实验研究[D].清华大学,1996.
[4]	Waada Y;Nagasaka Y;A Nagashima .Measurements and Correlation of the Thermal Conductivity of Liquid n-Paraffin Hydrocarbons and Their Binary and Ternary Mixtures[J].International Journal of Theoretical Physics,1985,6:251-265.
[5]	Kim S H;Kim D S;Kim M S et al.The Thermal Conductivity of R22, R142b, R152a and Their Mixtures in the Liquid State[J].International Journal of Theoretical Physics,1993,14(04):937-950.
[6]	Tsvetkov O B;Laptev Yu A;Asambaev A G .The Thermal Conductivity of Binary Mixture of Liquid R22 with R142b and R152a at Low Temperature[J].International Journal of Theoretical Physics,1996,17(03):597-606.
[7]	Ro S T;Kim M S;Jeong S U .Liquid Thermal Conductivity, of Binary Mixture of Difluoromethane (P32) and Pentaltuoroethane(R125)[J].International Journal of Theoretical Physics,1997,18(04):991-999.
[8]	Ro S T;Kim J Y;Kim D S .Thermal Conductivity of R32 and Its Mixture with R134a[J].International Journal of Theoretical Physics,1995,16(05):1193-1201.

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