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Experimental investigations of mixing characteristics in model rotating detonation engine geometries

Blümner, Richard; Bohon, Myles D.; Gutmark, Ephraim J.; Paschereit, Christian Oliver

This work examines the mechanisms of reactant mixing in a model Rotating Detonation Engine (RDE) geometry. RDEs are emerging as one of the highest potential applications for achieving Pressure Gain Combustion (PGC). Reactant mixing has been identified as a crucial component of efficient RDE operation. Therefore, a scaled model of a typical RDE engine geometry was examined in a water tunnel using Planar Laser Induced Fluorescence (PLIF) to observe the influence of fuel injection position, confinement geometry, and blowing ratio on the mixing characteristics and quality of mixing.
Published in: Digital Proceedings of the 8th European Combustion Meeting (ECM 2017),