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TECHNICAL PAPERS

Numerical Investigation of Flow Past a Prolate Spheroid

[+] Author and Article Information
George S. Constantinescu

Center for Integrated Turbulence Simulations, Stanford University, Stanford, CA 94305

Hugo Pasinato, You-Qin Wang, Kyle D. Squires

Mechanical and Aerospace Engineering Department, Arizona State University, Tempe, AZ 85287-6106

James R. Forsythe

United States Air Force Academy, 2354 Fairchild Hall, Colorado Springs, CO 80840

J. Fluids Eng 124(4), 904-910 (Dec 04, 2002) (7 pages) doi:10.1115/1.1517571 History: Received March 25, 2002; Revised July 26, 2002; Online December 04, 2002
Copyright © 2002 by ASME
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References

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Figures

Grahic Jump Location
Side view of the computational domain, showing increase in mesh density towards aft region. Flow is from left to right at angle of attack. Grids are uniformly spaced in the azimuthal direction (out of the plane of the figure).
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Surface flows from DES prediction at 20 deg angle of attack. Flow is tripped at x/L=0.2.
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Axial pressure distribution along windward and leeward surfaces for α=10 deg and 20 deg, DES prediction. Profiles taken along the symmetry plane.
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Mean velocity profile for flow at α=20 deg, DES prediction. Profile at x/L=0.60 and ϕ=90 deg.
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Azimuthal distribution of wall-flow turning angle, freestream at α=20 deg angle of attack, DES prediction
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Azimuthal distribution of skin friction coefficient at x/L=0.77, flow at 20 deg angle of attack
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Azimuthal distribution of the pressure coefficient at x/L=0.77, flow at α=20 deg angle of attack. Experimental measurements summarized in Wetzel et al. 12.
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Primary and secondary separation line predictions from DES compared to various indicators from experiments, α=20 deg

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