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Film Cooling of Accelerated Flow in a Subscale Combustion Chamber

Arnold, Richard and Suslov, Dmitry and Haidn, Oskar (2009) Film Cooling of Accelerated Flow in a Subscale Combustion Chamber. Journal of Propulsion and Power, 25 (2), pp. 443-451. American Institute of Aeronautics and Astronautics (AIAA). DOI: 10.2514/1.39308

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Official URL: http://www.aiaa.org/content.cfm?pageid=322&lupubid=24


Experimental investigations have been carried out to examine film cooling effectiveness of an accelerated hot gas in a subscale rocket combustion chamber. In support of future first-stage high-performance rocket combustion chambers, a Vulcain2-like test case has been examined with combustion pressure levels up to 12 MPa. The effectiveness of an almost tagentially injected film of hydrogen with an initial temperature of approximately 280 K has been determined. Axial distributions of temperature were measured inside the copper liner as well as on the chamber surface in the convergent and divergent parts of the nozzle segment. An existing film cooling model has been modified for application in a combined convective and filmcooled combustion chamber with an accelerated hot gas. The new model predicts film cooling effectiveness at different combustion-chamber pressures and film blowing rates at sub-, trans-, and supersonic conditions.

Item URL in elib:https://elib.dlr.de/58300/
Document Type:Article
Title:Film Cooling of Accelerated Flow in a Subscale Combustion Chamber
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Arnold, RichardRichard.Arnold (at) dlr.deUNSPECIFIED
Suslov, DmitryDmitry.Suslov (at) dlr.deUNSPECIFIED
Haidn, OskarOskar.Haidn (at) dlr.deUNSPECIFIED
Date:April 2009
Journal or Publication Title:Journal of Propulsion and Power
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.2514/1.39308
Page Range:pp. 443-451
Publisher:American Institute of Aeronautics and Astronautics (AIAA)
Keywords:film cooling, rocket, combustion chamber
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 > Technologie
Deposited By: Arnold, Richard
Deposited On:13 Mar 2009
Last Modified:08 Mar 2018 18:44

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