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Performance Studies of the API Injector for LOX/GH2 Applications

Deeken, J. and Suslov, D. and Haidn, O. and Schlechtriem, S. (2011) Performance Studies of the API Injector for LOX/GH2 Applications. In: Proceedings (AIAA 2011-5926). 47th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, 31. Jul. - 3. Aug. 2011, San Diego, California, USA.

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Abstract

Porous injectors operated with the cryogenic propellant combination LOX/H2 exhibit very limited sensitivity towards changes in injection conditions regarding the observed combustion performance. The interaction of the high-inertia LOX jets and the accelerating combustion gases has been identi ed as a possible dominating parameter of atomization. A test campaign investigating the impact of the nal velocity of the combustion gases in the combustion chamber has been performed. Three di erent nozzle diameters were used to achieve chamber Mach numbers ranging from 0.19 to 0.312. Over a pressure range of 30 to 100 bar combustion efficiencies in excess of 97.5% were measured. No significant dependency on chamber Mach number was observed.

Document Type:Conference or Workshop Item (Speech, Paper)
Title:Performance Studies of the API Injector for LOX/GH2 Applications
Authors:
AuthorsInstitution or Email of Authors
Deeken, J.Jan.Deeken@dlr.de
Suslov, D.Dmitry.Suslov@dlr.de
Haidn, O.Oskar.Haidn@dlr.de
Schlechtriem, S.Stefan.Schlechtriem@dlr.de
Date:2011
Journal or Publication Title:Proceedings
Status:Published
Keywords:injection, cryogenic propellant
Event Title:47th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit
Event Location:San Diego, California, USA
Event Type:international Conference
Event Dates:31. Jul. - 3. Aug. 2011
Organizer:AIAA
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 > Raketenantriebe
Institute of Space Propulsion > Technologie
Deposited By: Michaela Hanke
Deposited On:30 Nov 2011 12:31
Last Modified:30 Nov 2011 12:31

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