NDLI: Numerical Simulation of Shock Wave -Turbulent Boundary-Layer Interaction

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Numerical Simulation of Shock Wave -Turbulent Boundary-Layer Interaction

Content Provider	Semantic Scholar
Author	Shang, J. S. Hankey, W. L. Law, C. Herbert
Copyright Year	1976
Abstract	Numerical solutions of the Navier-Stokes equations are presented for the interactions of a shock wave and a turbulent boundary layer. The turbulent closure is provided by a relaxation eddy viscosity model that approximates the response of turbulence to a severe pressure gradient. The relaxation eddy viscosity model was successfully applied for a series of compression ramp configurations in a previous investigation by the authors. In the present analysis, further verification of the eddy viscosity model is attempted by investigating shock impingement on a turbulent boundary layer. Computations were performed for shock generators varying from 7.93° to 12.17°, at a freestream Mach number of 2.96 and a Reynolds number of 1.2 x 107. Numerical results obtained with MacCormack's scheme were compared with experimental measurements of the surface pressure distribution and the location of the separation and reattachment points. The density distribution throughout the entire interacting flowfield was also compared with experimental results obtained from holographic interferograms. In general, all essential features of the experimental observation were duplicated by the numerical computation.
Starting Page	1451
Ending Page	1457
Page Count	7
File Format	PDF HTM / HTML
DOI	10.2514/3.61484
Volume Number	14
Alternate Webpage(s)	http://ijopaar.com/files/IssueContent/D-A17303-5011.pdf
Alternate Webpage(s)	https://doi.org/10.2514/3.61484
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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