Thermodynamic properties of 1,1,1,2-tetrafluoroethane (R134a) in the critical region |
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| Authors: | S. Tang G. X. Jin J. V. Sengers |
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| Affiliation: | (1) Institute for Physical Science and Technology, University of Maryland, 20742 College Park, Maryland, USA;(2) Thermophysics Division, National Institute of Standards and Technology, 20899 Gaithersburg, Maryland, USA |
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| Abstract: | A theoretically based simplified crossover model, which is capable of representing the thermodynamic properties of fluids in a large range of temperatures and densities around the critical point, is presented. The model is used to predict the thermodynamic properties of R134a in the critical region from a limited amount of available experimental information. Values for various thermodynamic properties of R134a at densities from 2 to 8 mol·L–1 and at temperatures from 365 to 450 K are presented. |
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| Keywords: | critical phenomena equation of state R134a refrigerants sound velocity specific heat |
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