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Stoß-Grenzschicht-Wechselwirkungen an einer beheizten ebenen Platte im HEG

Wagner, Alexander and Martinez Schramm, Jan (2016) Stoß-Grenzschicht-Wechselwirkungen an einer beheizten ebenen Platte im HEG. Institutskolloquium, 29. April 2016, Göttingen, Deutschland.

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Abstract

Experimental shock wave boundary layer interactions (SWBLI) on a flat plate model with deflectable flap and variable surface temperature were studied in the DLR High Enthalpy Shock Tunnel Göttingen (HEG) at Mach 7.4 and 6.65x106 m−1 unit Reynolds number. The wind tunnel model used in the scope of the study was equipped with an internal heating element allowing for variable surface temperatures up to 800 K. The model consists of an unheated flap which can be deflected in the range of 0◦, 15◦ and 30◦, a heatable flat plate and an exchangeable leading edge. The latter is passively heated through the contact to the heated model section. At the hinge line a gap of 0.2 mm was realized between the flap and flat plate. In the scope of the study the effects caused by leading edge bluntness, flap deflection angel, gap opening and surface temperature on the shock wave boundary layer interaction were investigated. Additional attention was paid to the laminar turbulent boundary layer transition process.

Item URL in elib:https://elib.dlr.de/104886/
Document Type:Conference or Workshop Item (Speech)
Title:Stoß-Grenzschicht-Wechselwirkungen an einer beheizten ebenen Platte im HEG
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Wagner, Alexanderalexander.wagner (at) dlr.deUNSPECIFIED
Martinez Schramm, Janjan.martinez (at) dlr.deUNSPECIFIED
Date:2016
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Hypersonic Boundary-Layer Transition, HEG, SWBLI, heated model
Event Title:Institutskolloquium
Event Location:Göttingen, Deutschland
Event Type:Other
Event Dates:29. April 2016
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Transport
DLR - Research area:Raumfahrt
DLR - Program:R RP - Raumtransport
DLR - Research theme (Project):R - Raumfahrzeugsysteme - Anlagen u. Messtechnik
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Spacecraft
Deposited By: Bachmann, Barbara
Deposited On:29 Sep 2016 10:39
Last Modified:29 Sep 2016 10:39

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