| Citation: | ZHOU Hongyu, WANG Xinggui, QIAN Zhihao, et al. Study on the lower limit of oxygen concentration at inlets and performance analysis of rotating detonation afterburner[J]. Journal of Aerospace Power, 2026, 41（X）：20250591 doi: 10.13224/j.cnki.jasp.20250591
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Achieving stable and self-sustained rotating detonation under low-oxygen intake conditions is crucial for the design of rotating detonation afterburners. Through two-dimensional numerical simulations of non-premixed ethylene/air rotating detonation flow fields, this study investigated the influence of intake temperature on the critical lower limit of oxygen concentration required for rotating detonation initiation under fuel-lean conditions. The results showed that as the intake temperature of the afterburner increased from 875 K to
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