Thermal conductivity and PVT measurements of pentafluoroethane (refrigerant HFC-125)
- Technological Institute of Refrigeration, St. Petersburg (Russian Federation)
By means of the transient and steady-state coaxial cylinder methods, the thermal conductivity of pentfluoroethane was investigated at temperatures from 187 to 419 K and pressures from atmospheric to 6.0 MPa. The estimated uncertainty of the measured results is {+-} (2-3)%. The operation of the experimental apparatus was validated by measuring the thermal conductivity of R22 and R12. Determinations of the vapor pressure and PVT properties were carried out by a constant-volume apparatus for the temperature range 263 to 443 K, pressures up to 6 MPa, and densities from 36 to 516 kg m{sub -3}. The uncertainties in temperature, pressure, and density are less than {+-}10 mK, {+-}0.08%, and {+-}0.1%, respectively.
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 123374
- Report Number(s):
- CONF-940633--
- Journal Information:
- International Journal of Thermophysics, Journal Name: International Journal of Thermophysics Journal Issue: 5 Vol. 16; ISSN IJTHDY; ISSN 0195-928X
- Country of Publication:
- United States
- Language:
- English
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