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Study of Shock Wave/Turbulent Boundary Layer Interaction over a Forward-Facing Step

Murugan, Jayaprakash N and Govardhan, Raghuraman N (2017) Study of Shock Wave/Turbulent Boundary Layer Interaction over a Forward-Facing Step. In: 5th International and 41st National Conference on Fluid Mechanics and Fluid Power, DEC 12-14, 2014, Indian Inst Technol Kanpur, Kanpur, INDIA, pp. 63-71.

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Official URL: http://dx.doi.org/10.1007/978-81-322-2743-4_7


A detailed experimental study has been done to understand the shock wave-turbulent boundary layer interaction (SWTBLI) over a forward-facing step (FFS) of height (h) in a Mach 2.5 flow using particle-image velocimetry (PIV). In addition to PIV, high-speed schlieren and surface oil flow visualization have been studied. Flow separation using surface oil flow visualization was observed around 4.1 step heights upstream of the step face. High-speed schlieren measurements show that the shock oscillates with a peak frequency of approximately 1000 Hz, which is two orders smaller than the characteristic frequency of the incoming boundary layer. Instantaneous PIV velocity vector fields show that the shock location is related to the separation bubble formed ahead of the forward-facing step.

Item Type: Conference Proceedings
Additional Information: Copy right for this article belongs to the SPRINGER-VERLAG BERLIN, HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
Department/Centre: Division of Mechanical Sciences > Mechanical Engineering
Depositing User: Id for Latest eprints
Date Deposited: 08 Mar 2017 09:23
Last Modified: 08 Mar 2017 09:23
URI: http://eprints.iisc.ac.in/id/eprint/56292

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