The results of numerical studies of the interaction of a detonation wave and an electron beam with supersonic reacting flows in channel of various configurations like channel with backward-facing step, symmetrical channel with abrupt expansion and channel with a cavity are presented. A mathematical technology has been created to implement such interaction based on the ANSYS Fluent software. The flow parameters at the outlet of the channel are compared for different channel configurations and ignition initiation ways. The possibility is shown to intensify the ignition in a supersonic flow by electron beams and pulsating detonation. The possibility is identified to use a cavity for stabilizing the combustion in a supersonic combustion chamber when exposed to a detonation wave.
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