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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, 152-1-152-13. ICT. 34th International Annual Conference of ICT, Karlsruhe, June 24 - June 27, 2003.

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Abstract

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
Authors:
AuthorsInstitution or Email of Authors
Klimov, V.Keldysh Res. Center, Moscow
Ciezki, H.UNSPECIFIED
Gemelli, E.Politecnico di Milano
Date:2003
Journal or Publication Title:Energetic Materials, Reactions of Propellants, Explosives and Pyrotechnics
Volume:ICT
Page Range:152-1-152-13
Editors:
EditorsEmail
Fraunhofer Institut für Chemische Technologie (ICT), UNSPECIFIED
Publisher:ICT
Series Name:ICT
Status:Published
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 (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 14:03

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