Volume 33 Issue 9
Sep.  2018
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Experiment of combustion characteristic of triple swirler combustor[J]. Journal of Aerospace Power, 2018, 33(9): 2067-2073. doi: 10.13224/j.cnki.jasp.2018.09.003
Citation: Experiment of combustion characteristic of triple swirler combustor[J]. Journal of Aerospace Power, 2018, 33(9): 2067-2073. doi: 10.13224/j.cnki.jasp.2018.09.003

Experiment of combustion characteristic of triple swirler combustor

doi: 10.13224/j.cnki.jasp.2018.09.003
  • Received Date: 2017-03-26
  • Publish Date: 2018-09-28
  • According to the requirement of low pollution emission of marine gas turbine, the combustion performance of a triple swirler lean premixed combustor was experimentally studied. Results showed that: for the triple swirler chamber, the internal and middle swirl angles determined the success of ignition, and the outer swirl had an influence on the ignition limit. A combination of 10 degrees and 33.3%, 25.0% swirl numbers increase of the inner, middle and outer swirl angles had better ignition and blowout performance. The minimum lean ignition fuel-air ratio was 0.05236, lean blow-out fuel-air ratio was 0.00478; the outlet temperature distribution coefficient was 0.2279, fully meeting the design requirements; the content of NOx was lower than that of 2.62g/kg. But the CO content was higher up to 35.4g/kg, leading to slightly lower combustion efficiency, only 0.9847.

     

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