Abstract

AbstractAn equation for determining the difference between the compressibility factors of saturated vapor and liquid (ZV ‐ ZL) through cubic equations of state has been developed as a function of reduced vapor pressure Pr, reduced temperature Tr and the critical cohesion parameter Ωac of the chosen equation. The regressed equation has been presented in a polynomial expression of (Pr/Tr) and Ωac for simple non‐iterative calculations.

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