Spectrocopic Investigation of the Multephase Diffusion Flame of an Aluminum Particle Laden Hydrogen Jet in a Hot Air Environment
Klimov, V. and Ciezki, H. and Gemelli, E. (2003) Spectrocopic Investigation of the Multephase Diffusion Flame of an Aluminum Particle Laden Hydrogen Jet in a Hot Air Environment. In: Energetic Materials, Reactions of Propellants, Explosives and Pyrotechnics, ICT, . ICT. 34th International Annual Conference of ICT, Karlsruhe, June 24 - June 27, 2003.
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The general topology and structure of the multiphase diffusion flame of aluminum particles embedded in a hydrogen jet have been investigated experimentally with a hot air environment under ramjet relevant conditions concerning the air inlet temperature. An experimental set-up with a flat flame burner (McKenna-type), modified with an inserted central tube for particle and carrier gas feeding, has been constructed to fulfil this task. The experiments have been conducted under ambient pressure conditions. The flame spectra distribution has been investigated with a grating spectrometer. Flame stru´cture visualization has been conducted with two digital high-speed cameras for visible and ultra-violet ranges through interference filters and partly also an optical beam splitter plate simultaneously. This set-up has allowed to subtract background and thermal flame emissions from emissions of the aluminum burning zone. The dependence of the thermal and AlO emission distributions in VIS upon hydrogen and aluminium particle flow rates as well as the particle size is presented.
|Document Type:||Conference or Workshop Item (Paper)|
|Additional Information:||LIDO-Berichtsjahr=2003, monograph_id=P152,|
|Title:||Spectrocopic Investigation of the Multephase Diffusion Flame of an Aluminum Particle Laden Hydrogen Jet in a Hot Air Environment|
|Journal or Publication Title:||Energetic Materials, Reactions of Propellants, Explosives and Pyrotechnics|
|Event Title:||34th International Annual Conference of ICT, Karlsruhe, June 24 - June 27, 2003|
|Organizer:||Fraunhofer Institut Chemische Technologie|
|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:||Monika Lohmiller|
|Deposited On:||16 Sep 2005|
|Last Modified:||06 Jan 2010 14:03|
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