EPJ Web of Conferences
Volume 92, 2015EFM14 – Experimental Fluid Mechanics 2014
|Number of page(s)||4|
|Published online||06 May 2015|
Numerical simulation of the passive gas mixture flow
Výzkumný a Zknšební Letecký Ústav, a.s., VZLÚ, Beranových 130, 199 05 Praha - Letňany, Czech Republic
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Published online: 6 May 2015
We work with the system of equations describing non-stationary compressible turbulent multicomponent flow in the gravitational field, and we focus on the numerical solution of these equations. In these computations we assume the mixture of perfect inert gases. The thermodynamic constants are functions in time and space. The finite volume method is used. In order to solve the local boundary problem at each mesh face, we use the original analysis of the exact solution of the Riemann problem. The roughness of the surface is simulated via the specific dissipation at the wall. We show the computational results obtained with the own-developed code (C,FORTRAN) for the solution of the 3D compressible turbulent mixture flow. The originality of this work lies with the special handling of the boundary conditions, which shows superior behavior, and own computational code.
© Owned by the authors, published by EDP Sciences, 2015
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