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International Journal of Energetic Materials and Chemical Propulsion
ESCI SJR: 0.149 SNIP: 0.16 CiteScore™: 0.29

ISSN 印刷: 2150-766X
ISSN オンライン: 2150-7678

International Journal of Energetic Materials and Chemical Propulsion

DOI: 10.1615/IntJEnergeticMaterialsChemProp.v4.i1-6.770
pages 825-836

OPTICAL DIAGNOSTICS OF ATOMIZATION AND COMBUSTION FOR CRYOGENIC LIQUID ROCKET PROPULSION

Michael Oschwald
DLR German Aerospace Center, Lampoldshausen, Baden-Württemberg, 74239, Germany
Renaud Lecourt
Office National d'Etudes et de Recherches Aérospatiales (ONERA), Centre du Fauga-Mauzac 31410 Mauzac, France
U. Brummund
DLR - German Aerospace Center, 74239 Hardthausen, Germany
Armelle Cessou
CORIA—UMR 6614, CNRS—Universite & INSA de Rouen, 76821 Mont Saint Aignan, France
Oskar J. Haidn
Chair of Turbomachines Flight Propulsion, Space Propulsion Division Technical University Munich, Germany

要約

The M3 micro-combustor is a test facility for basic investigations of cryogenic oxygen/hydrogen rocket propulsion. The model combustor is operated at pressures up to 2MPa and has full optical access to study in detail the LOX-spray combustion phenomena with nonintrusive optical diagnostic techniques. Oxygen and hydrogen are injected at 77 K through a single coaxial injection element. The phenomenology of LOX-jet break up and the topology of the flowfield has been investigated by flashlamp and laser light-sheet photography to determine the distribution of the liquid phase and by droplet tracking to measure the droplets velocities. Location and structure of the flamefront has been investigated by laser-induced fluorescence and the detection of the spontaneous emission of the OH radical.


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