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

ISSN Печать: 2150-766X
ISSN Онлайн: 2150-7678

International Journal of Energetic Materials and Chemical Propulsion

DOI: 10.1615/IntJEnergeticMaterialsChemProp.v4.i1-6.780
pages 837-848

DIAGNOSTICS OF NON-REACTING AND REACTING SUPERSONIC FLOWS IN A SCRAMJET MODEL COMBUSTOR USING NON-INTRUSIVE SPECTROSCOPIC METHODS

R. Honig
BMW Rolls-Royce, Eschenweg 11, 15827 Dahlewitz. Germany
D. Theisen
Lehrstuhl für Flugantriebe, Technische Universität München, Arcisstr. 21, 80333 München, Germany
R. Fink
Lehrstuhl für Flugantriebe, Technische Universität München, Arcisstr. 21, 80333 München, Germany
G. Kappler
BMW Rolls-Royce, Eschenweg 11, 15827 Dahlewitz. Germany
D. Rist
Lehrstuhl für Flugantriebe, Technische Universität München, Arcisstr. 21, 80333 München, Germany
P. Andresen
Lehrstuhl für angewandte Laserphysik, Unversität Bielefeld, Universitätsstr. 25, 33615 Bielefeld, Germany

Краткое описание

The research on SCRAMJET combustors motivated the work on new non-intrusive measurement approaches to study the flowfield inside a combustor during operation. This was made possible by the development of new powerful laser systems and cameras with high spatial and time resolution. In this paper, we report an investigation of the swept ramp injector concept in a nonreacting as well as a reacting flowfield of a hydrogen-fueled supersonic model combustion chamber. To visualize the structure of the flame and the distribution of OH and O2, as well as to determine the averaged temperature and pressure field within the combustor, we used natural fluorescence (without laser excitation) and different laser-induced predissociative fluorescence (LIPF) excitation/detection schemes.


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