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Scaling for steady and traveling shock wave/turbulent boundary layer interactions

Touré, Patrice and Schülein, Erich (2020) Scaling for steady and traveling shock wave/turbulent boundary layer interactions. Experiments in Fluids, 61 (7), pp. 1-19. Springer. doi: 10.1007/s00348-020-02989-5. ISSN 0723-4864.

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Official URL: https://doi.org/10.1007/s00348-020-02989-5

Abstract

Shock-wave/boundary-layer interactions (SW–BLIs) play an important role in a wide range of transonic, supersonic and hypersonic applications. Fundamental studies on stationary interactions have been conducted extensively during the last 60 years. However, unsteady SWBLIs with traveling shock fronts have been little studied on canonical geometries. In the present experimental investigation, the influence of a uniformly moving impinging shock on the separated SWBLI flow is analyzed, with a freestream Mach number of 3 and a traveling Mach number in upstream direction of 0.5. To evaluate this effect, stationary reference SWBLIs have been investigated in a wide ranging study. A scaling method from the literature has been enhanced to drastically reduce the data scattering using a new approach accounting for the Reynolds number influence. The results gathered from the traveling interactions were within the spread of reference data, considering the true shock-wave Mach number of 3.5. The validity of the modified scaling approach to describe the interaction length in cases with steady and traveling shock-wave/turbulent-boundary-layer interactions is discussed.

Item URL in elib:https://elib.dlr.de/136077/
Document Type:Article
Title:Scaling for steady and traveling shock wave/turbulent boundary layer interactions
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Touré, PatricePatrice.Toure (at) dlr.deUNSPECIFIED
Schülein, ErichErich.Schuelein (at) dlr.dehttps://orcid.org/0000-0002-1125-8504
Date:20 June 2020
Journal or Publication Title:Experiments in Fluids
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:61
DOI :10.1007/s00348-020-02989-5
Page Range:pp. 1-19
Editors:
EditorsEmailEditor's ORCID iD
UNSPECIFIEDSpringer NatureUNSPECIFIED
Publisher:Springer
ISSN:0723-4864
Status:Published
Keywords:shock-wave / turbulent-boundary-layer interaction, supersonic
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Military Technologies (old)
Location: Göttingen
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > High Speed Configurations, GO
Deposited By: Toure, Patrice
Deposited On:17 Sep 2020 00:08
Last Modified:17 Sep 2020 00:08

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