Shock wave bifurcation in convergent–divergent channels of rectangular cross section

This work addresses two- and three-dimensional turbulent flow in simple channels, modeling the air intakes of rectangular cross section. Flow regimes with a supersonic free stream and supersonic velocities at the throat or immediately downstream of the throat are considered. Bifurcations of the shoc...

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Bibliographic Details
Published in:Shock waves 2016-11, Vol.26 (6), p.741-747
Main Author: Kuzmin, A.
Format: Article
Language:English
Subjects:
Acoustics
Condensed Matter Physics
Cross-sections
Engineering
Engineering Fluid Dynamics
Engineering Thermodynamics
Fluid- and Aerodynamics
Heat and Mass Transfer
Navier-Stokes equations
Original Article
Reynolds averaged Navier-Stokes method
Thermodynamics
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Summary:This work addresses two- and three-dimensional turbulent flow in simple channels, modeling the air intakes of rectangular cross section. Flow regimes with a supersonic free stream and supersonic velocities at the throat or immediately downstream of the throat are considered. Bifurcations of the shock wave arising ahead of the cowl are studied numerically. Solutions of the Reynolds-averaged Navier–Stokes equations are obtained with a finite-volume solver of second-order accuracy on fine computational meshes. The solutions reveal jumps of the shock leg position with variations of the free-stream Mach number. The dependence of the shock position on the cowl slope and streamwise location of the throat is examined.
ISSN:0938-1287
1432-2153
DOI:10.1007/s00193-016-0624-5