Volume 27 Issue 10
Oct.  2012
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LIU Yang, JIN Jie, WANG Hui-ru, YANG Mao-lin. Experiment on combustion characteristics of novel variable geometry flame-holder[J]. Journal of Aerospace Power, 2012, 27(10): 2214-2221.
Citation: LIU Yang, JIN Jie, WANG Hui-ru, YANG Mao-lin. Experiment on combustion characteristics of novel variable geometry flame-holder[J]. Journal of Aerospace Power, 2012, 27(10): 2214-2221.

Experiment on combustion characteristics of novel variable geometry flame-holder

  • Received Date: 2012-03-23
  • Publish Date: 2012-10-28
  • A novel variable geometry flame-holder (“VGF” for short) based on v-gutter has been experimentally studied on a two-dimensionally combustion test-bed for its combustion characteristics .The effect of the change of gutter trailing edge width w on combustion efficiency and exit temperature distribution in different operating conditions was analyzed emphatically.Furthermore,the effect of the change of w on combustion status and flame structure was discussed by the combustion images in recirculation zone.Results show that: for the test conditions, (1) when w/h changes in 1.25~2.00, there is a certain range change in combustion efficiency.(2) w/h =1.25 shows specificity because the VGF combustion status and flame structure have changed at this point.(3) In the stable combustion condition,temperature of outlet cross-section center increases with the w decrease basically.Results and experimental data presented would enhance the phenomenological understanding of this novel VGF,and would contribute to the next experimental study and numerical simulation on it.

     

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