Stabilization of an oblique detonation wave by a wedge : A parametric numerical study
2000
Abstract The result of an unsteady analysis of the conditions leading to a wedge-triggered detonation wave in a premixed hydrogen–air supersonic flow is presented. The configuration of interest here corresponds to a delayed oblique detonation wave (ODW), resulting from an oblique shock wave (OSW) transition. Different types of steady and unsteady configurations are evidenced numerically. The computed conditions for the self-ignition and stationary solutions that are obtained are discussed from the point of view of kinematic and quasi-steady arguments. The results of the calculations are examined in the light of the available experimental data.
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