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Experimental Study of a Scramjet Nozzle Flow using the Pressure Sensitive Paint Method

Hirschen, Christian and Gülhan, Ali and Beck, Walter and Henne, Ulrich (2008) Experimental Study of a Scramjet Nozzle Flow using the Pressure Sensitive Paint Method. Journal of Propulsion and Power, Vol. 24 (4), pp. 662-672. AIAA. DOI: 10.2514/1.34626.

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Official URL: http://www.aiaa.org


An experimental study on scramjet nozzle flows was carried out at the German Aerospace Center. The tests were performed at a free-stream Mach number of 7 in the hypersonic wind tunnel H2K in Cologne. The Reynolds number in the tunnel flow was varied in order to study the performance of the scramjet nozzle at different flight altitudes. The effects of different nozzle pressure ratios were investigated and compared. The static pressure distribution on the single expansion ramp was measured by both the Pressure-Sensitive Paint (PSP) Method and PSI pressure transducers. The PSP method enables one to gain detailed field information about the pressure distribution on the entire nozzle surface. A Pitot rake was used to measure the Pitot pressure distribution in the nozzle wake. The data obtained by the different measurement techniques permitted a characterization of the nozzle flow and gave an insight into the properties of scramjet nozzle flows.

Document Type:Article
Title:Experimental Study of a Scramjet Nozzle Flow using the Pressure Sensitive Paint Method
AuthorsInstitution or Email of Authors
Hirschen, ChristianUNSPECIFIED
Journal or Publication Title:Journal of Propulsion and Power
Refereed publication:Yes
In ISI Web of Science:Yes
Volume:Vol. 24
Page Range:pp. 662-672
Keywords:Pressure sensitive Paint, Scramjet, single expansion ramp nozzle, airbreathing propulsion
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W RP - Raumtransport
DLR - Research area:Space
DLR - Program:W RP - Raumtransport
DLR - Research theme (Project):W - Zukünftige Raumtransporter - Entwurf und Simulationsmethoden für Raumtransporter (old)
Location: Köln-Porz , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Experimental Methods
Institute of Aerodynamics and Flow Technology > Supersonic and Hypersonic Technology
Deposited By: Christine Adams
Deposited On:15 Jan 2008
Last Modified:27 Apr 2009 14:39

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