Two-fluid computational model for a binary gas mixture

✍ Scribed by Tatiana G Elizarova; Irina A Graur; Jean-Claude Lengrand

• Publisher: Elsevier Science
• Year: 2001
• Tongue: English
• Weight: 168 KB
• Volume: 20
• Category: Article
• ISSN: 0997-7546
• DOI: 10.1016/s0997-7546(00)01119-5

✦ Synopsis

This work is devoted to the derivation of moment equations for the description of a gasdynamic flow of a binary non-reacting gas mixture. The equations are based on the kinetic model in a relaxation approximation and they are a generalization of the quasigasdynamic equations studied before. As an example of applicability of the system proposed, we present calculations of flows in a shock wave for an argon-xenon mixture and of a binary diffusion problem for argon and helium, in comparison with the results of modeling these problems using the Direct Simulation Monte-Carlo method. A comparison with experimental results is also presented.