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TECHNICAL PAPERS

Detached-Eddy Simulation With Compressibility Corrections Applied to a Supersonic Axisymmetric Base Flow

[+] Author and Article Information
James R. Forsythe

Department of Aeronautics, United States Air Force Academy, USAF Academy, CO 80840

Klaus A. Hoffmann

Department of Aerospace Engineering, Wichita State University, Wichita, KS 67260

Russell M. Cummings

Department of Aerospace Engineering, California Polytechnic State University, San Luis Obispo, CA 93407

Kyle D. Squires

Department of Mechanical Engineering, Arizona State University, Tempe, AZ 85287

J. Fluids Eng 124(4), 911-923 (Dec 04, 2002) (13 pages) doi:10.1115/1.1517572 History: Received March 20, 2002; Revised July 02, 2002; Online December 04, 2002
Copyright © 2002 by ASME
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References

Figures

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Axisymmetric base flow—expansion and shock waves. SST RANS simulation, contours of pressure and streamlines.
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Closeup views of grids used. (a) Fine structural grid (SGF)—2.60×106 cells; (b) VGRIDns grid (VG)—2.86×106 cells; (c) Gridgen grid (GG)—2.75×106 cells.
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Boundary layer profile 1 mm prior to the base—RANS models
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Pressure along the base—RANS models
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Centerline velocity—RANS models
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Nondimensional turbulent eddy viscosity behind the base; (a) Spalart-Allmaras model with and without compressibility corrections on VGRIDns grid; (b) shear stress transport model with and without compressibility corrections on VGRIDns grid
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Vorticity contours—DES Spalart-Allmaras model on the fine structured grid
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Boundary layer profile 1 mm prior to the base—DES model
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Pressure along the base—DES model
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Centerline velocity—DES model
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Mach contours behind the base; (a) DES Spalart-Allmaras on the coarse structured grid versus Experiment 9; (b) DES Spalart-Allmaras on the fine structured grid versus Experiment 9; (c) DES Spalart-Allmaras on the Gridgen grid versus Experiment 9; (d) DES shear stress transport model on Gridgen grid versus Experiment 9
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Resolved turbulent kinetic energy behind the base; (a) DES Spalart-Allmaras model on the coarse structured grid versus Experiment 9; (b) DES Spalart-Allmaras model on the fine structured grid versus Experiment 9; (c) DES Spalart-Allmaras model on the Gridgen grid versus Experiment 9
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Nondimensional turbulent eddy-viscosity behind the base; (a) DES Spalart-Allmaras model with and without compressibility corrections on Gridgen grid, (b) DES shear stress transport model with and without compressibility corrections on Gridgen grid
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Resolved turbulent statistics on the Gridgen grid; (a) resolved streamwise turbulent intensity versus Experiment 9, (b) resolved radial turbulence intensity versus Experiment 9, (c) resolved Reynolds stress versus Experiment 9

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