Zheng ZHANG, Wei YAO

DOI Number: N/A

Conference paper: HiSST-2024-333

Based on the dynamic zone flamelet model (DZFM), the turbulent combustion of the dual-mode scramjet with a cavity stabilizer is numerically studied by IDDES. Sensitivity analysis of the reacting related scalars is conducted previously to determine the appropriate zoning configurations. The jet wake and cavity stabilized flame modes occurred with increasing cross flow temperature are well reproduced with modeling. The heat release rate and reaction progress variable are recognized as vital zoning parameters to capture the cavity-stabilized mode dominated by premixed flame. For the jet-wake stabilized flame, the dynamic zone simply divided by mixture fraction and geometric coordinates is acceptable.

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In Categories: 1.Events, HiSST 2024, Propulsion Systems and Components
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