Investigation of Vortex Structures for Supersonic Jet Interaction Flowfield

Asel Beketaeva; Amr H. Abdalla; Yekaterina Moisseyeva

doi:10.4028/www.scientific.net/AMM.798.546

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 798Investigation of Vortex Structures for Supersonic...

Investigation of Vortex Structures for Supersonic Jet Interaction Flowfield

Abstract:

The three-dimensional supersonic turbulent flow in presence of symmetric transverse injection of round jet is simulated numerically. The simulation is based on the Favre-averaged Navier-Stokes equations coupled with Wilcox’s turbulence model. The numerical solution is performed using ENO scheme and is validated with the experimental data that include the pressure distribution on the wall in front of the jet in the plane symmetry. The numerical simulation is used to investigate in detail the flow physics for a range of the pressure ratio . The well-known primary shock formations are observed (a barrel shock, a bow shock, and the system of λ-shock waves), and the vortices are identified (horseshoe vortex, an upper vortex, two trailing vortices formed in the separation region and aft of the bow shock wave, two trailing vortices that merge together into one single rotational motion). During the experiment the presence of the new vortices near the wall behind the jet for the pressure ratio is revealed.

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Periodical:

Applied Mechanics and Materials (Volume 798)

Pages:

546-550

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.798.546

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Online since:

October 2015

Authors:

Asel Beketaeva*, Amr H. Abdalla, Yekaterina Moisseyeva

Keywords:

Navier-Stokes Equations, Numerical Modeling, Perfect Gas Boundary Layer, Pressure Ratio, Shock Wave, Supersonic Turbulent Flow

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