Volume 35 Issue 1
Jan.  2020
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WANG Jianpei, LI Na, LI Jiangning. High-altitude ignition characteristics of three fuels in ramjet combustor[J]. Journal of Aerospace Power, 2020, 35(1): 81-87. doi: 10.13224/j.cnki.jasp.2020.01.010
Citation: WANG Jianpei, LI Na, LI Jiangning. High-altitude ignition characteristics of three fuels in ramjet combustor[J]. Journal of Aerospace Power, 2020, 35(1): 81-87. doi: 10.13224/j.cnki.jasp.2020.01.010

High-altitude ignition characteristics of three fuels in ramjet combustor

doi: 10.13224/j.cnki.jasp.2020.01.010
  • Received Date: 2019-08-03
  • Publish Date: 2020-01-28
  • To investigate the ignition characteristics of three liquid fuels (aviation kerosene (RP-3), high thermal oxidation stability fuel (RP-3+100), high-density liquid hydrocarbon fuel (LUAN)), high-altitude ignition simulated experiment in a small-scale ramjet combustor was conducted. The results showed that the three fuels can be ignited successfully under all selected conditions. With the increase of temperature and pressure of inlet air, the range of ignition equivalence ratio of three fuels became wider. But the increased velocity narrowed the range of ignition equivalence ratio. The range of ignition equivalence ratio of RP-3+100 was the widest among the three fuels at any time. RP-3 and LUAN had a similar range of ignition equivalence ratio. As the extraneous factors, like temperature, pressure, and velocity, changed, RP-3+100 had the narrowest variation of the range of the ignition equivalence ratio, while RP-3 was the widest one.

     

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