Numerical Study of the Particle Dispersion on a Supersonic Shear Layer

Altyn Makasheva; Altynshash Naimanova; Yerzhan Belyayev

doi:10.4028/www.scientific.net/AMM.798.536

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 798Numerical Study of the Particle Dispersion on a...

Numerical Study of the Particle Dispersion on a Supersonic Shear Layer

Abstract:

The numerical study of the two-dimensional supersonic hydrogen-air mixing in the free shear layer is performed. The system of the Favre-Averaged Navier-Stokes equations for multispecies flow is solved using the ENO scheme of the third order accuracy. The k-ε two-equation turbulence models with compressibility correction are applied to calculate the eddy viscosity coefficient. The dispersion of the particles is studied by following their trajectories in the shear layer by Euler method. In order to produce the roll-up and pairing vortex rings, an unsteady boundary condition is applied at the inlet plane. At the outflow, the non-reflecting boundary condition is taken. The influence of different Mach numbers on the formation of vorticity structures and shear layer growth rate are studied. The obtained results are compared with the available experimental data and the numerical results of other authors. The numerical simulation of the particle dispersion in the shear layer with large scale vortical structure is conducted.

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Periodical:

Applied Mechanics and Materials (Volume 798)

Pages:

536-540

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.798.536

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Online since:

October 2015

Authors:

Altyn Makasheva*, Altynshash Naimanova, Yerzhan Belyayev

Keywords:

ENO-Scheme, Mixing Layer, Particle Dispersion, Supersonic Shear Flow, Turbulence Model

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