Volumetric properties under pressure for 1-fluoro-1,2,2-trichloroethane (R131) and 1,1-difluoro-1,2,2-trichloroethane (R122)

Journal Article · Tue Dec 31 23:00:00 EST 1996 · International Journal of Thermophysics

DOI:https://doi.org/10.1007/BF02575200· OSTI ID:669888

Malhotra, R; Woolf, L A ^[1]

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1. Australian National Univ., Canberra, Australian Capital Territory (Australia). Research School of Physical Sciences and Engineering

The effect of pressure on the volume of R131 and R22 is reported for six temperatures covering the range 278.15 to 338.13 K and pressures up to 380 MPa. Densities at the same temperatures have been measured at atmospheric pressure for each liquid. The experimental data have been used to calculate isothermal compressibilities, thermal expansivities, and internal pressures; the change in isobaric heat capacity from its value at atmospheric pressure has also been estimated. The modified Tait equation has been used to show that the volume ratios for both compounds can be combined with those for R123 (2,2-dichloro-1,1,1-trifluoroethane) and represented by a common equation.

• Sponsoring Organization: USDOE
• OSTI ID: 669888
• Journal Information: International Journal of Thermophysics, Journal Name: International Journal of Thermophysics Journal Issue: 1 Vol. 18; ISSN 0195-928X; ISSN IJTHDY
• Country of Publication: United States
• Language: English

Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
COMPRESSIBILITY
DENSITY
ETHANE
HALOGENATED ALIPHATIC HYDROCARBONS
PRESSURE DEPENDENCE
REFRIGERANTS
SPECIFIC HEAT
TEMPERATURE RANGE 0273-0400 K
THERMAL EXPANSION