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The paper reports measurements of the thermal conductivity of gaseous difluoromethane (HFC-32) over the temperature range 254.51 to 341.76 K and the thermal conductivity of gaseous pentafluoroethane (HFC-125) over the temperature range 251.21 to 333.70 K near the saturation line. The thermal conductivities were measured in a transient hot-wire instrument employing two anodized tantalum wires as the heat source with an uncertainty of 3%. The results were correlated as a function of temperature and compared with the results from the literature.
Details
- Original title: Thermal conductivity of gaseous difluoromethane and pentafluoroethane near the saturation line.
- Record ID : 2000-0066
- Languages: English
- Source: J. chem. Eng. Data - vol. 42 - n. 1
- Publication date: 1997
- Document available for consultation in the library of the IIR headquarters only.
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Indexing
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Themes:
HFCs;
Blends - Keywords: Thermal conductivity; Measurement; Vapour; R32; R125; Substitute; Mixture; Refrigerant
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