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Schlieren and OH Emission Visualization of the Primary Ignition Process of a Coaxial lGH2/LOX Spray

Schmidt, V. and Ciezki, H. (2003) Schlieren and OH Emission Visualization of the Primary Ignition Process of a Coaxial lGH2/LOX Spray. In: 7th Triennial International Symposium on Fluid Control, Measurement and Visualization FLUCOME'03. 7th Triennial International Symposium on Fluid Control, Measurement and Visualization FLUCOME'03, Sorrento, Italy, August 25-28, 2003. ISBN 0-9533991-4-1

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Abstract

Schlieren imaging is used for visualization of two-phase flow in a cryogenic rocket combustion chamber using LOX and GH2. In parallel ecording of spontaneous emission of OH radical is used for determining heat sources during the transient ignition process. Information about the flame development are extracted by digital image processing. High-speed greyscale schlieren allow determination of the temporal evolution of the injection and transient ignition process. Synchronized high-resolution colour schlieren allow getting detailed information of the flow and the liquid phase distribution at fixed time-steps after ignition. For determination of ignition time and place and for synchronization laser spark ignition was used.

Item URL in elib:https://elib.dlr.de/1641/
Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2003,
Title:Schlieren and OH Emission Visualization of the Primary Ignition Process of a Coaxial lGH2/LOX Spray
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Schmidt, V.UNSPECIFIEDUNSPECIFIED
Ciezki, H.UNSPECIFIEDUNSPECIFIED
Date:2003
Journal or Publication Title:7th Triennial International Symposium on Fluid Control, Measurement and Visualization FLUCOME'03
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Editors:
EditorsEmail
Prof. G. M.Carlomagnos,University Neaples, Italy, UNSPECIFIED
Series Name:FLUCOME
ISBN:0-9533991-4-1
Status:Published
Keywords:Rocket engine; cryogenic; ignition; coaxial spray; colour schlieren; flame emission
Event Title:7th Triennial International Symposium on Fluid Control, Measurement and Visualization FLUCOME'03, Sorrento, Italy, August 25-28, 2003
Organizer:Prof. G.M. Carlomagno, University Neaples, Italy
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 assignment
Location: Lampoldshausen
Institutes and Institutions:Institute of Space Propulsion
Deposited By: Lohmiller, Monika
Deposited On:16 Sep 2005
Last Modified:06 Jan 2010 14:04

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