Thermal conductivity of R32 and its mixture with R134a

descriptionPublicationkeyboard_double_arrow_right Article 01 Sep 1995 English Publisher:Springer Science and Business Media LLCJournal:International Journal of Thermophysics, volume 16, pages 1,193-1,201 (issn: 0195-928X, eissn: 1572-9567,

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Authors: S. T. Ro; J. Y. Kim; D. S. Kim;

doi: 10.1007/bf02081287

Thermal conductivity of R32 and its mixture with R134a

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Abstract

The liquid thermal conductivity of R32 (CH2F2) and R134a (CF3CH2F) was measured in the range from 223 to 323 K and from 2 to 20 MPa by the transient hot-wire method. The thermal conductivity of the R32+R134a mixture was also measured in the same range by varying the mass fraction of R32. The measured data are analyzed to obtain a correlation in terms of temperature, pressure and composition of the mixture. The uncertainty of our measurements is estimated to be within ±2%.

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Seoul National University
Korea (Republic of)

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