ISSN:
1572-9567
Keywords:
mixture
;
R125
;
R134a
;
R125+R134a
;
refrigerant
;
thermal conductivity
;
transient hot-wire method
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
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%.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1023/A:1021469928377
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