Vapor-liquid equilibrium of HFC-32/134a and HFC-125/134a systems
- Ajou Univ., Suwon (Korea, Republic of)
A vapor-liquid equilibrium apparatus has been developed and used to obtain data for the binary HFC-32/134a and HFC-125/134a systems. Twenty-two equilibrium data are obtained for the HFC-32/134a system over the temperature range from 258.15 to 283.15 K at 5 K intervals and the composition range from 0.2 to 0.8 liquid mole fraction. Twenty-five equilibrium data are obtained for the HFC-125/134a system over the temperature range from 0.18 to 0.81 liquid mole friction. These data have been tested and found to be thermodynamically consistent. Based upon the present data, the binary interaction parameters of the Carnahan-Starling-De Santis (CSD) and Redlich-Kwong-Soave (RKS) equations of state are calculated for five isotherms for the HFC-125/134a mixture and six isotherms for the HFC-32 134a mixture. The calculated results from the CSD equation are compared with data in the open literature.
- OSTI ID:
- 696847
- Journal Information:
- International Journal of Thermophysics, Journal Name: International Journal of Thermophysics Journal Issue: 2 Vol. 20; ISSN 0195-928X; ISSN IJTHDY
- Country of Publication:
- United States
- Language:
- English
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