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Temperature-density parameters of Freon-13 on the saturation line
Authors:A M Shavandrin  S A Li
Affiliation:(1) Khabarov Polytechnic Institute, USSR
Abstract:Experimental data of a high degree of accuracy are presented on the temperature-density parameters of Freon-13 on the saturation line in the density range of (0.08246–1.6061)·10 kg/m3.Notation T absolute temperature of phase transition from two-phase to one-phase state (or vice versa) - Tc critical temperature - rgrprime, rgrPrime densities of liquid and vapor, respectively, on saturation line - rgrc density at critical points - 
$$\bar \rho  = (\rho ' + \rho ')/2$$
average density - tau=(Tc–T)/2 reduced temperature - 
$$\bar \rho $$
parameter of order, equal to rgr' – rgrc – btau for the liquid phase and rgrc + btaurgr"for the vapor phase Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 37, No. 5, pp. 830–834, November, 1979.
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