| Citation: | DU Mingxuan, LIU Yuying, LIU Guanghai. Numerical investigation of ignition location effects on ignition process in skirted evaporative flameholders[J]. Journal of Aerospace Power, 2026, 41（4）：20250113 doi: 10.13224/j.cnki.jasp.20250113
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In order to enhance the ignition performance of the evaporative flameholder, reveal the inherent patterns of its ignition process, and provide a guidance for ignition location selection in engineering practice, the skirted evaporative flameholder under inflow conditions of 483 K temperature and Mach number 0.2 was investigated. Through large eddy simulation methodology, the ignition performance and ignition processes at different radial ignition locations were systematically examined, with particular emphasis on elucidating the influence of ignition location on flame development characteristics. The results demonstrated that the ignition location adjacent to the skirt plate (designated as R1) exhibited superior ignition characteristics attributable to wall-induced fuel enrichment effects. Computational simulations revealed a lean ignition limit fuel-air ratio of
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