Author/Authors :
Iglesias-Silva، Gustavo A. نويسنده , , Gustavo A and Miller، نويسنده , , Reid C and Ceballos، نويسنده , , Ana Diaz and Hall، نويسنده , , Kenneth R and Holste، نويسنده , , James C، نويسنده ,
Abstract :
This paper contains parameters for a universal vapor pressure equation describing methane, ethane, propane, n-butane, i-butane, R-11, R-12, R-22, R-23, R-32, R-123, R-124, R-125, R-134a, R-141b, R-142b, R-143a and R 152a. These parameters have been generated using experimental vapor pressures reported in literature. The vapor pressure equation, based upon asymptotic behavior at the triple and critical points, has three adjustable fluid-dependent parameters. This equation describes the entire vapor pressure curve within the apparent accuracy of the experimental values.
