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aktualisiert am 14. Oktober 2020

ISBN 9783843929127

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978-3-8439-2912-7, Reihe Raumfahrt

Attila Lehel Török
Computation of the Thermoacoustic Driving Capability of Rocket Engine Flames with Detailed Chemistry

168 Seiten, Dissertation Technische Universität München (2015), Softcover, A5

Zusammenfassung / Abstract

Computational tools for the prediction of combustion instabilities in rocket engines require a heat release model to represent the flame. In this thesis parameters of such a model are calculated for a hydrogen-oxygen flame using CFD with detailed chemistry. Several excitation methods are considered and their effects on heat release fluctuations are analyzed. Simulations with the thus determined flame transfer function confirm the appearance of thermoacoustic oscillations that were observed in experiments.