Volume 30 Issue 4
Apr.  2015
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DING Guo-yu, HE Xiao-min, XUE Chong, HONG Liang. Experiment on effect of dome and dilution holes on outlet temperature distribution for triple swirler combustor[J]. Journal of Aerospace Power, 2015, 30(4): 807-813. doi: 10.13224/j.cnki.jasp.2015.04.006
Citation: DING Guo-yu, HE Xiao-min, XUE Chong, HONG Liang. Experiment on effect of dome and dilution holes on outlet temperature distribution for triple swirler combustor[J]. Journal of Aerospace Power, 2015, 30(4): 807-813. doi: 10.13224/j.cnki.jasp.2015.04.006
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Experiment on effect of dome and dilution holes on outlet temperature distribution for triple swirler combustor

doi: 10.13224/j.cnki.jasp.2015.04.006

  • Jiangsu Province Key Laboratory of Aerospace Power System, College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

  • Received Date: 2013-11-11
  • Publish Date: 2015-04-28
    Abstract
  • Experiments were conducted to study the outlet temperature distribution of combustor for four different triple swirler schemes and two different dilution holes arrangement schemes with different inlet velocities and fuel-air ratios at fixed atmospheric pressure. The results show that: the outlet temperature distribution factors of different schemes change little with the inlet velocity and fule-ratio ratio; when intermediate swirler and outer swirler are counter-rotating, the outlet temperature distribution becomes more uniform; for two kinds of swirl number combination of 0.7-1-1.5 and 1.5-1-0.8, the outlet temperature distribution factor of the former is more sensitive to the change of outer swirler direction than that of the latter; compared with scheme B, the dilution holes arrangement of scheme A is more suitable for the triple swirler combustor; the dome and dilution holes arrangement should be matched properly in order to optimize the outlet temperature distribution.

     

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