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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 identied 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 dierent 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: |
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| 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 | ||||||||||
| HGF - Program: | Space | ||||||||||
| 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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