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Use of PSP in hypersonic and short-duration wind tunnels. Measurements on two Scramjet nozzles in H2K

Beck, Walter (2009) Use of PSP in hypersonic and short-duration wind tunnels. Measurements on two Scramjet nozzles in H2K. Seminar Princeton University, 30. June 2009, Princeton, New Jersey, USA.

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Kurzfassung

A general overview of Pressure Sensitive Paint measurements carried out in the DLR Institute of Aerodynamics and Flow Technology will be given. Specifically, this talk will concentrate on the successful application of this technique to the measurement of surface pressures on two different Scramjet nozzles in a Mach 7 flow of the Hypersonic Wind Tunnel H2K of the DLR in Cologne. The agreement with results from pressure taps is very good. Physical insights into the flow phenomena could be obtained, and an optimization of the gas injection into the nozzle plenum chamber could be carried out. The influence of surface temperature gradients was assessed, as were error sources discussed. The utilization of PSP on a large, industry-scale wind tunnel was carried out successfully, pointing the way for the longer term aim of applying PSP to flows of much shorter duration, such as in the High Enthalpy Shock Tunnel HEG of the DLR in Göttingen.

Dokumentart:Konferenzbeitrag (Vortrag)
Titel:Use of PSP in hypersonic and short-duration wind tunnels. Measurements on two Scramjet nozzles in H2K
Autoren:
AutorenInstitution oder E-Mail-Adresse der Autoren
Beck, WalterNICHT SPEZIFIZIERT
Datum:2009
Referierte Publikation:Nein
In SCOPUS:Nein
In ISI Web of Science:Nein
Status:veröffentlicht
Stichwörter:Pressure sensitive paint; surface pressure distributions; Scramjet nozzle flows; hypersonic wind tunnel
Veranstaltungstitel:Seminar Princeton University
Veranstaltungsort:Princeton, New Jersey, USA
Veranstaltungsart:Andere
Veranstaltungsdatum:30. June 2009
Veranstalter :Princeton University, Department of Mechanical and Aerospace Engineering, Research group Prof. Richard Miles
HGF - Forschungsbereich:Verkehr und Weltraum (alt)
HGF - Programm:Luftfahrt
HGF - Programmthema:Starrflügler
DLR - Schwerpunkt:Luftfahrt
DLR - Forschungsgebiet:L AR - Starrflüglerforschung
DLR - Teilgebiet (Projekt, Vorhaben):L - Flugphysik
Standort: Göttingen
Institute & Einrichtungen:Institut für Aerodynamik und Strömungstechnik > Experimentelle Verfahren
Hinterlegt von: Ilka Micknaus
Hinterlegt am:10 Jul 2009 14:30
Letzte Änderung:29 Jul 2009 14:03

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