Application of a Theoretical Model of State Equation for Calculation of N2, O2, and CO2 Shock Adiabatic Curves

Abstract

An improved version of the equation of state model for two-component fluid mixtures whose molecules interact with the Exp-6 type potential has been proposed in previous works. The thermodynamic parameters of N₂, O₂, and CO₂ shock-wave compression are calculated using the equation of state model for two-component fluid mixtures based on perturbation theory. Products of compression of these substances are two-component mixtures. Analogous calculations are also performed using an effective one-fluid model. A comparison of the results obtained with the available experimental data and results of Monte Carlo simulation allows us to conclude that the proposed theoretical equation of state model is superior to effective one-fluid model in accuracy and reliably describes the thermodynamic properties of two-component fluid mixtures in a wide pressure and temperature ranges.