Volume 35 Issue 8
Aug.  2020
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MO Da, WAN Bin, WANG Xinzhu. Combustion performance of triple swirler combustor in ignition stage[J]. Journal of Aerospace Power, 2020, 35(8): 1594-1600. doi: 10.13224/j.cnki.jasp.2020.08.004
Citation: MO Da, WAN Bin, WANG Xinzhu. Combustion performance of triple swirler combustor in ignition stage[J]. Journal of Aerospace Power, 2020, 35(8): 1594-1600. doi: 10.13224/j.cnki.jasp.2020.08.004

Combustion performance of triple swirler combustor in ignition stage

doi: 10.13224/j.cnki.jasp.2020.08.004
  • Received Date: 2019-12-29
  • Publish Date: 2020-08-28
  • In order to study the ignition and flameout performance of triple swirler combustor, experiments of single-head combustor were carried out on ground and high altitude. The high altitude ignition performance at negative temperature was measured. The ground ignition process was photographed by means of high-speed camera. Combustion efficiency of ground ignition was measured by gas analysis method. The ignition and flameout performance, the ignition combustion efficiency and the ignition process of single-head combustor were obtained. Results showed that the triple swirler combustion structure had good ignition and flameout performance over a wide range of flow velocity in the primary zone. The fuel burnt efficiently and the ground ignition combustion efficiency was about 80%. The negative temperature increased the difficulty of ignition. Compared with the normal temperature ignition boundary, the negative temperature ignition boundary narrowed by 188%-375% when the pressure was 70 kPa. High altitude flameout boundary was close to ignition boundary. The experimental results provide an important reference to the design of the triple swirler combustor.

     

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