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# Inter-related p–T and $\rho-T$ equations for saturated fluid phases:application to R-134a

Khan, Sumanta and Srinivasan, K (1996) Inter-related p–T and $\rho-T$ equations for saturated fluid phases:application to R-134a. In: Journal of Physics D: Applied Physics, 29 (12). pp. 3079-3088.

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## Abstract

Correlations for vapour pressure and saturated fluid (liquid and vapour) phase densities have been derived based on several experimental sources of data for R-134a. These equations, which are on ITS-90, use the same parameter in the powers of temperature terms. A method of optimizing this parameter is described. Saturated vapour densities are calculated from the Clausius–Clapeyron equation and experimental data, such that negative or unrealistic densities are not predicted when extrapolated towards the triple point. The method yields internal consistency of the critical properties used in the saturation equations. Results of the analysis are compared with the standard formulations.

Item Type: Journal Article http://dx.doi.org/10.1088/0022-3727/29/1... Copyright of this article belongs to Institute of Physics. Division of Mechanical Sciences > Mechanical Engineering 18 Jan 2007 19 Sep 2010 04:33 http://eprints.iisc.ernet.in/id/eprint/9325

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