| Citation: | DING Guoyu, MA Dan, GAO Ya, et al. Experiment on ignition performance of a full annular combustor[J]. Journal of Aerospace Power, 2023, 38（6）：1299-1305 doi: 10.13224/j.cnki.jasp.20210532
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Experiments were conducted to study the ignition performance on a full annular combustor by simulating the ground start and high-altitude ignition parameters. The test results showed that the fuel-air ratio of both the stable flame establishment and the flame propagation from the ignition dome to the unburned dome decreased with the increasing inlet airflow Mach number; ignition became more and more difficult with the increase of simulating ignition height, especially at low inlet Mach number condition; the fuel-air ratio of stable flame establishment limit and the light around limit decreased with the increase of corrected reference velocity, and there was a power function relationship between them; the functional relationship was obtained by fitting; if compared with the test values, the errors of the estimated fuel-air ratio of stable flame establishment limit and light around limit were mostly less than 10% and 15%, respectively.
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