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Digitale Medien

Liquid Thermal Conductivity of Binary Mixtures of Pentafluoroethane (R125) and 1,1,1,2-Tetrafluoroethane (R134a) (1999)

Jeong, S. U. ; Kim, M. S. ; Ro, S. T.

Springer

International journal of thermophysics 20 (1999), S. 55-62

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ISSN: 1572-9567

Schlagwort(e): mixture ; R125 ; R134a ; R125+R134a ; refrigerant ; thermal conductivity ; transient hot-wire method

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract Thermal conductivities of zeotropic mixtures of R125 (CF3CHF2) and R134a (CF3CH2F) in the liquid phase are reported. Thermal conductivities have been measured by a transient hot-wire method with one bare platinum wire. Measurements have been carried out in the temperature range of 233 to 323 K and in the pressure range of 2 to 20 MPa. The dependence of thermal conductivity on temperature, pressure, and composition of the binary mixture is presented. Measured thermal conductivity data are correlated as a function of temperature, pressure, and overall composition of the mixture. The uncertainty of our measurements was estimated to be better than 2%.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1023/A:1021469928377

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