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http://dx.doi.org/10.6112/kscfe.2015.20.4.036

TRANSITIONAL FLOW ANALYSIS OVER DOUBLE COMPRESSION RAMP WITH NOSE BLUNTNESS IN SUPERSONIC FLOW  

Shin, Ho Cheol (Dept. of Aerospace Information Engineering, Konkuk University)
Sa, Jeong Hwan (Supercomputing Research Center, KISTI)
Park, Soo Hyung (Dept. of Aerospace Information Engineering, Konkuk University)
Byun, Yung Hwan (Dept. of Aerospace Information Engineering, Konkuk University)
Publication Information
Journal of computational fluids engineering / v.20, no.4, 2015 , pp. 36-43 More about this Journal
Abstract
Accurate prediction of supersonic transition is required for the heat transfer estimation over supersonic double compression ramp flows. Correlation-based transition models were assessed for a supersonic double ramp problem. Numerical results were compared with experimental data from RWTH Aachen University. A parametric study on the nose bluntness was performed using a selected transition model. As the nose bluntness increases, the boundary layer thickness is increased and the triple point of shock interactions moves downstream. The peak magnitude of the heat transfer is consequently decreased with the nose bluntness.
Keywords
CFD; Shock Wave / Boundary Layer Interaction; Double Compression Ramp; Transition Model; Heat Transfer;
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