Abstract
The aim of this work was to create an e©cient tool for transient threedimensional (3D) numerical simulation of the operation process in a Rotating DetonationEngine (RDE) with the particularemphasis to the design issues of the combustion chamber and isolators, thermal management and operation control. The governing equations are unsteady Reynolds-Averaged NavierStokes (URANS) equations coupled with a turbulence model and with the continuity and energy equations for a multicomponent reactive mixture. The algorithm used is the combinationofFiniteVolumeMethodandParticleMethodrecentlydevelopedat ICPtotreatsimultaneouslyfrontalandvolumetriccombustion. ThecapabilitiesofthenewnumericaltoolhavebeendemonstratedfortheannularcylindricalRDEoperatingonhomogeneousstoichiometrichydrogen air mixture with a detonation rotationfrequency of about 126,000rpm. The calculations revealed considerable temperature and pressure pulsations at RDE inlet and outlet; however,special design adaptations were shown to allow their reduction.
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