Abstract
The random choice method is applied to one-dimensional problems for reactive gas with many chemical species. The random choice algorithm is extended to a multicomponent mixture. The extended random choice scheme is combined with a chemical kinetics simulation code to treat reactive gasdynamics. The method is used to calculate reflected-shock flowfields in H 2O 2Ar mixture and is shown to afford to describe complicated flowfields in detail. A comparison of the numerical results with shock-tube experiments shows good agreement. Also, a comparison between the random choice method and the FCT (Phoenical Lax-Wendroff) method as a solver of gasdynamics for multicomponent mixture indicates that they compute the reactive flows at the same profiles essentially and the former has better resolution for description of flowfields.
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