Flame Front Evolution and Liquid Phase Distribution During the Ignition Transient of a LOX/GH2-Combustor
Schmidt, V. and Sender, J. and Oschwald, M. (2000) Flame Front Evolution and Liquid Phase Distribution During the Ignition Transient of a LOX/GH2-Combustor. In: 16th Annual Conference on Liquid Atomization and Spray Systems, . ILASS-Europe 2000; 16th Annual Conference on Liquid Atomization and Spray Systems, Darmstadt, 11-13 September 2000.
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Phenomena on millisecond time scale during the transient ignition process in a model combustor, like flame propagation, flame/spray interaction, and flame stabilization have not been investigated in detail up to now. Diagnostic techniques developed for characterizing the stationary spray flame are applied to investigate the transient evolution of the LOX-spray and the flame front during the ignition process. Ignition was initiated by focusing a pulsed laser into the combustion chamber. Thus ignition time as well as the position of ignition was well defined. This and the exact control of the delay between ignition and detection time allowed to observe the evolution of the flame front. The distribution of the liquid phase of LOX-droplets have been determined by light-sheet techniques using a double pulsed laser system. Simultaneously the position of the flame front is measured by recording the spontaneous emission of the OH-radical. By varying the delay time between ignition and detection in a series of test runs the transient ignition phenomen have been investigated in the interval from 0 to 5 ms after igntion.
|Document Type:||Conference or Workshop Item (Paper)|
|Title:||Flame Front Evolution and Liquid Phase Distribution During the Ignition Transient of a LOX/GH2-Combustor|
|Journal or Publication Title:||16th Annual Conference on Liquid Atomization and Spray Systems|
|Event Title:||ILASS-Europe 2000; 16th Annual Conference on Liquid Atomization and Spray Systems, Darmstadt, 11-13 September 2000|
|Organizer:||Technische Universität Darmstadt|
|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):||E -- no assignement|
|Institutes and Institutions:||Institute of Space Propulsion|
|Deposited By:||elib DLR-Beauftragter|
|Deposited On:||16 Sep 2005|
|Last Modified:||06 Jan 2010 13:50|
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