Zones of Influence and Shock Motion in a Shock/Boundary-Layer Interaction | Zendy

Lionel Agostini | Zendy; Lionel Larchevêque | Zendy; Pierre Dupont | Zendy; Jean-François Debiève | Zendy; Jean-Paul Dussauge | Zendy

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Zones of Influence and Shock Motion in a Shock/Boundary-Layer Interaction

Author(s) -

Lionel Agostini,

Lionel Larchevêque,

Pierre Dupont,

Jean-François Debiève,

Jean-Paul Dussauge

Publication year - 2012

Publication title -

aiaa journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.828

H-Index - 158

eISSN - 1081-0102

pISSN - 0001-1452

DOI - 10.2514/1.j051516

Subject(s) - shock (circulatory) , mechanics , boundary layer , oblique shock , turbulence , physics , bow shock (aerodynamics) , flow (mathematics) , shock wave , boundary (topology) , moving shock , classical mechanics , mathematics , mathematical analysis , medicine

International audienceThis paper aims at describing the main features of a shock reflection on a turbulent boundary layer. The data used for this analysis are the results of large-eddy simulations of the interaction carried out with three different shock intensities: from incipient to fully separated cases. Computational results are validated vs experiments obtained for the same interaction geometries. The main space-time properties of the leading shock motions are described together with their links with the other regions of the flow. In particular, information about the origin of the shock motion is derived from the correlations between shock motion and unsteady pressure fields. It is shown that the shock motion reveals the flow unsteadiness found in the interaction region

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