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Surface flow studies of restricted shock separation in a thrust optimized parabolic nozzle

Haidn, Oskar and Verma, S. B. (2009) Surface flow studies of restricted shock separation in a thrust optimized parabolic nozzle. Shock Waves. Springer. DOI: 10.1007/s00193-009-0211-0

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Abstract

In this paper. surface flow features such as length of separation region and separation bubble are studied during restricted shock separation condition in a thrust optimized parabolic nozzle. It is found that peaks in the variation of these surface flow features are directly related to beginning of conditions for flow transition suggesting changes in exchaust flow features which are responsible for initiating flow transitions in a nozzle. Results are obtained from surface oil tests performed during the shut down phase for a range of nozzle pressure ratio during which restricted shock separation condition is prevalent.

Item URL in elib:https://elib.dlr.de/59888/
Document Type:Article
Title:Surface flow studies of restricted shock separation in a thrust optimized parabolic nozzle
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Haidn, OskarOskar.Haidn (at) dlr.deUNSPECIFIED
Verma, S. B.sbverma (at) ead.cmmacs.ernet.inUNSPECIFIED
Date:May 2009
Journal or Publication Title:Shock Waves
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
DOI :10.1007/s00193-009-0211-0
Publisher:Springer
Status:Published
Keywords:flow studies, nozzle
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W - no assignment
DLR - Research area:Space
DLR - Program:W - no assignment
DLR - Research theme (Project):W - no assignment (old)
Location: Lampoldshausen
Institutes and Institutions:Institute of Space Propulsion > Technologie
Deposited By: Hanke, Michaela
Deposited On:08 Sep 2009 15:57
Last Modified:10 Jan 2019 15:50

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