A Novel ES-BGK Model for Non-polytropic Gases with Internal State Density Independent of the Temperature
Takashi Arima,
Andrea Mentrelli,
Tommaso Ruggeri
Abstract:A novel ES-BGK-based model of non-polytropic rarefied gases in the framework of kinetic theory is presented. Key features of this model are: an internal state density function depending only on the microscopic energy of internal modes (avoiding the dependence on temperature seen in previous reference studies); full compliance with the H-theorem; feasibility of the closure of the system of moment equations based on the maximum entropy principle, following the well-established procedure of rational extended ther… Show more
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