Modification to the Van der Waals Equation of State

TL;DR

This paper introduces a modification to the Van der Waals equation by adding a temperature factor, resulting in improved phase diagrams and better correlation of reduced pressure and temperature for argon-like systems.

Contribution

The paper proposes a new temperature-dependent modification to the Van der Waals equation, enhancing its accuracy for phase diagram predictions.

Findings

Improved phase diagram accuracy.

Better correlation between reduced pressure and temperature.

Applicable to argon-like systems.

Abstract

In this paper, we modify the VDW equation of state by adding a temperature factor to it. As a result, we give out a good phase diagram and the correlation of the reduced pressure and the reduced temperature when a balanced liquid-gas coexistence canonical argon-like system is considered.