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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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)|
|Title:||Ignition of Cryogenic H2/LOX Sprays|
|Journal or Publication Title:||Proceedings ODAS 2002|
|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|
|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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