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Experimental study of a planar expansion-deflection nozzle flow field

Wagner,, B. and Stark, R. and Schlechtriem, S. (2011) Experimental study of a planar expansion-deflection nozzle flow field. In: Proceedings. 4TH EUROPEAN CONFERENCE FOR AEROSPACE SCIENCES, 4. - 8. Jul. 2011, St. Petersburg, Russia.

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Abstract

The flow field of an expansion-deflection (ED) nozzle, featuring open and closed wake operation mode, is described. The experimental hardware of a planar ED nozzle, the measurement system, and the test bench are introduced. Based on schlieren images of the supersonic jet and wall pressure measurements, the flow field of the ED nozzle is discussed for various nozzle pressure ratios. The focus is on the transition between the open and the closed wake mode. The experiments show a clear hysteresis behaviour.

Document Type:Conference or Workshop Item (Speech, Paper)
Title:Experimental study of a planar expansion-deflection nozzle flow field
Authors:
AuthorsInstitution or Email of Authors
Wagner,, B.Bernd.Wagner@dlr.de
Stark, R.Ralf.Stark@dlr.de
Schlechtriem, S.Stefan.Schlechtriem@dlr.de
Date:2011
Journal or Publication Title:Proceedings
Status:Published
Keywords:rocket nozzle
Event Title:4TH EUROPEAN CONFERENCE FOR AEROSPACE SCIENCES
Event Location:St. Petersburg, Russia
Event Type:international Conference
Event Dates:4. - 8. Jul. 2011
Organizer:EUCASS
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 - Antriebsystemtechnik - Schubkammertechnologie und Hochdruckverbrennung (old)
Location: Lampoldshausen
Institutes and Institutions:Institute of Space Propulsion > Treibstoffe
Deposited By: Michaela Hanke
Deposited On:12 Dec 2011 09:42
Last Modified:12 Dec 2011 09:42

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