Investigation of injector-coupled combustion dynamics in a methane–oxygen combustor using large eddy simulation and dynamic mode decomposition
Abhishek Sharma,
Ashoke De,
Sunil Kumar
Abstract:This paper uses a reactive flow large eddy simulation (LES) and decomposition techniques to study combustion instabilities in a methane–oxygen combustor. This work examines two case scenarios to elucidate the significance of injector–chamber frequency coupling as the cause of thermo-acoustic instability. Initial investigation in a well-known benchmark case of the continuously variable resonance combustor (CVRC) reports the potential instability mechanisms and the role of injector–chamber frequency coupling in … Show more
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