Abstract

This Brief Communication is about the study of diatomic gas shock structure based on the nonequilibrium gas-kinetic Bhatnagar–Gross–Krook (BGK) model, where an additional rotational energy relaxation equation is added. The BGK Navier–Stokes flow solver is extended to solve the nonequilibrium gas kinetic model. The numerical solutions are compared with the experiment measurements and direct simulation Monte Carlo solutions.

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