Peng Robinson Equation of State

The Peng-Robinson equation of state is used for calculating the thermodynamic properties of both pure fluids and fluid mixtures. Only the critical temperature and pressure and the acentric factor are needed to determine the properties of pure fluid. Binary interaction parameters are needed in addition to determining the properties of Read more…

Van der Waals Equation

Van der Waals equation was derived by Johannes Diderik van der Waals in the year 1873. The van der Waals equation of state was one of the first to perform markedly better than the ideal gas law which states that gases consist of point masses that undergo perfectly elastic collisions. However, this Read more…