Numerical investigation of oblique-shock/boundary-layer interactions in supersonic flows

Jayahar Sivasubramanian, Hermann F. Fasel

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations


The interaction between an impinging oblique shock–wave and a laminar boundary layer on a flat plate is investigated using direct numerical simulations. The two–dimensional separation bubble resulting from the shock boundary layer interaction (SBLI) at freestream Mach number of 2.3 for the approach flow is investigated in detail. The flow parameters used for the present investigation match the laboratory conditions in the experiments conducted at the University of Arizona (UA). In addition to the steady flow field calculations, in order to study the linear stability behavior of the separation bubble, the response to low– amplitude disturbances is investigated using linearized Navier Stokes calculations. For comparison, both the development of two–dimensional and three–dimensional (oblique) disturbances are studied with and without the impinging oblique shock. Furthermore, the effects of the shock incidence angle and Reynolds number are also investigated. Finally, three–dimensional direct numerical simulations were performed in order to investigate the laminar-turbulent transition process in the presence of a laminar separation bubble generated by an impinging shock–wave.

Original languageEnglish (US)
Title of host publication46th AIAA Fluid Dynamics Conference
PublisherAmerican Institute of Aeronautics and Astronautics Inc, AIAA
ISBN (Print)9781624104367
StatePublished - 2016
Event46th AIAA Fluid Dynamics Conference, 2016 - Washington, United States
Duration: Jun 13 2016Jun 17 2016

Publication series

Name46th AIAA Fluid Dynamics Conference


Conference46th AIAA Fluid Dynamics Conference, 2016
Country/TerritoryUnited States

ASJC Scopus subject areas

  • Engineering (miscellaneous)
  • Aerospace Engineering


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