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ZHENG Weilin, PANG Liyao, ZHANG Shijie, XIE Fan, ZENG Wen. Effect of composition variance on methane oxidation characteristics[J]. Journal of Aerospace Power, 2021, 36(1): 15-24. doi: 10.13224/j.cnki.jasp.2021.01.003
Citation: ZHENG Weilin, PANG Liyao, ZHANG Shijie, XIE Fan, ZENG Wen. Effect of composition variance on methane oxidation characteristics[J]. Journal of Aerospace Power, 2021, 36(1): 15-24. doi: 10.13224/j.cnki.jasp.2021.01.003
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Effect of composition variance on methane oxidation characteristics

doi: 10.13224/j.cnki.jasp.2021.01.003
  • 1.

    School of Aero-engine,Shenyang Aerospace University,Shenyang 110136,China

  • 2.

    Shenyang Aircraft Design and Research Institute,Aviation Industry Corporation of China,Limited,Shenyang 110035,China

  • Received Date: 2020-05-25
  • Publish Date: 2021-01-28
    Abstract
  • The methane oxidation within the temperature range of 850-1 300 K and atmospheric pressure was studied in a jet stirred reactor. The major reactants (CH4, O2), intermediate components (C2H6, C2H4, C2H2, H) and pollutants (CO, CO2) were measured by gas chromatography under the condition of equivalence ratio range of 02-2, oxygen content of 2%-8%, carbon dioxide content of 0-20%, water vapor content of 0-20%. The effects of various compositions on species distributions during methane oxidation were analyzed in detail. It was found that the concentration of intermediate components increased with the increase of equivalence ratio and oxygen content; the increase of carbon dioxide content had a weak inhibitory effect on the formation of intermediate products, but resulted in obvious rise of the concentration of pollutants; the increase of water vapor content led to significant increase of hydrogen production, and promoted the formation of carbon monoxide, but had little effect on the formation of carbon dioxide.

     

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