P-V-T-x and VLE properties of difluoromethane (R32) + 1,1,1,2,3,3-hexafluoropropane (R236ea) and pentafluoroethane (R125) + R236ea systems derived from isochoric measurements

Journal of Chemical and Engineering Data

Volumn 46, Issue 2, 2001, Pages 367-374

  Di Nicola, Giovanni ^a   Polonara, Fabio ^a   Stryjek, Roman ^b  

^a UNIVERSITÀ POLITECNICA DELLE MARCHE   (Italy)

^b INSTITUTE OF PHYSICAL CHEMISTRY   (Poland)

Author keywords

[No Author keywords available]

Indexed keywords

CARNAHAN-STARLING-DE SANTIS EQUATION OF STATE; DEW POINT PARAMETERS; DIFLUOROMETHANE; HEXAFLUOROPROPANE; ISOCHORIC MEASUREMENTS; PENTAFLUOROETHANE; SUPERHEATED VAPOR REGION;

CORRELATION METHODS; EQUATIONS OF STATE; EXPANSION; HEATING; INTERPOLATION; PHASE COMPOSITION; PHASE EQUILIBRIA; PRESSURE EFFECTS; PRESSURE MEASUREMENT; TEMPERATURE MEASUREMENT; THERMAL EFFECTS; VOLUME MEASUREMENT;

FLUORINE COMPOUNDS;

EID: 0035272893     PISSN: 00219568     EISSN: None     Source Type: Journal    
DOI: 10.1021/je000260w     Document Type: Article

References (11)

1. Di Nicola, G.; Polonara, F.; Stryjek, R. P-V-T-x and VLE Properties of Pentafluoroethane (R125) + 1,1,1,3,3,3-Hexafluoroethane (R236fa) and 1,1,1,2-Tetrafluoroethane (R134a) + R236fa Systems Derived from Isochoric Measurements. J. Chem. Eng. Data. 2001, 46 (2), 359.
2. Di Nicola, G.; Giuliani, G.; Passerini, G.; Polonara, F.; Stryjek, R. Vapor-liquid-equilibrium (VLE) properties of R-32 + R-134a system derived from isochoric method. Fluid Phase Equilib. 1998, 153, 143-165.
3. Di Nicola, G.; Giuliani, G. Vapor Pressure and P-V-T Measurements for 1,1,1,2,3,3-Hexafluoropropane (R-236ea). J. Chem. Eng. Data 2000, 45 (6), 1075-1079.
4. Bobbo, S.; Fedele, L.; Scattolini, M.; Camporese, R. Vapor + liquid equilibrium measurements and correlationof the refrigerant mixtures difluoromethane (HFC-32) + and pentafluoroethane (HFC-125) + 1,1,1,2,3,3-hexafluoropropane (HFC-236ea) at 288.6, 303.2 and 318.3 K. Int. J. Thermophys. 2000, 21, 781-791.
5. Giuliani, G.; Kumar, S.; Polonara, F. A constant volume apparatus for vapour pressure and gas phase P-v-T measurements: validation with data for R22 and R134a. Fluid Phase Equilib. 1995, 109, 265-279.
6. De Santis, R.; Gironi, F.; Marrelli, L. Vapor-liquid equilibrium from a hard-sphere equation of state. Ind. Eng. Chem. Fundam. 1976, 15, 183-189.
7. Huber, M.; Gallagher, J.; McLinden, M. O.; Morrison, G. NIST Thermodynamic Properties of Refrigerants and Refrigerants Mixtures Database (REFPROP), Version 5.0; Thermophysics Division, National Institute of Standards and Technology: Gaithersburg, MD, 1996.
8. Reid, R. C.; Prausnitz, J. M.; Poling, B. E. The Properties of Gases & Liquids; McGraw-Hill: New York, 1987.
9. Tsonopoulos, C. An empirical correlation of second virial coefficients. AIChE J. 1974, 20, 263-272.
10. Tsonopoulos, C. An empirical correlation of second virial coefficients. AIChE J. 1975, 21, 827-829.
11. c and ω as parameters. AIChE J. 1983, 29, 107-113.