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Ignition of Cryogenic H2/LOX Sprays

Gurliat, O. and Schmidt, V. and Haidn, O. and Oschwald, M. (2002) Ignition of Cryogenic H2/LOX Sprays. In: Proceedings ODAS 2002. 4th ONERA/DLR Aerospace Symposium, Köln, 13 - 14 Juni 2002.

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Abstract

First results obtained during the investigation of the transient ignition process in a cryogenic model rocket combustion chamber are reported. Ignition of the propellants LOX and GH2 has been initiated with a pulsed laser and ignition and flame stabilization processes have been analyzed using high-speed visualization methods. Local flame velocities as well as local convection velocities at the point of ignition are determined by image displacement velocimetry methods. Depending on the injection conditions of the propellants, some distinct phases of the transient start-up process could be observed and are discussed in terms of Weber and Reynolds number.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2003,
Title:Ignition of Cryogenic H2/LOX Sprays
Authors:
AuthorsInstitution or Email of Authors
Gurliat, O.UNSPECIFIED
Schmidt, V.UNSPECIFIED
Haidn, O.UNSPECIFIED
Oschwald, M.UNSPECIFIED
Date:2002
Journal or Publication Title:Proceedings ODAS 2002
Editors:
EditorsEmail
DLR - ONERA, UNSPECIFIED
Status:Published
Keywords:gel(led) fuels, gel(ed) propellants, non-Newtonian flow, power-law fluid, Herschel-Bulkley fluid, spray characterization, impinging jet injector, air blast atomizer
Event Title:4th ONERA/DLR Aerospace Symposium, Köln, 13 - 14 Juni 2002
Organizer:DLR - ONERA
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):E -- no assignement
Location: Lampoldshausen
Institutes and Institutions:Institute of Space Propulsion
Deposited By: Monika Lohmiller
Deposited On:16 Sep 2005
Last Modified:06 Jan 2010 14:01

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