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组分变化对甲烷氧化特性影响

郑玮琳 庞历瑶 张世杰 谢凡 曾文

郑玮琳, 庞历瑶, 张世杰, 谢凡, 曾文. 组分变化对甲烷氧化特性影响[J]. 航空动力学报, 2021, 36(1): 15-24. doi: 10.13224/j.cnki.jasp.2021.01.003
引用本文: 郑玮琳, 庞历瑶, 张世杰, 谢凡, 曾文. 组分变化对甲烷氧化特性影响[J]. 航空动力学报, 2021, 36(1): 15-24. doi: 10.13224/j.cnki.jasp.2021.01.003
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

组分变化对甲烷氧化特性影响

doi: 10.13224/j.cnki.jasp.2021.01.003
基金项目: 辽宁省博士科研启动基金(2019-BS-185)

Effect of composition variance on methane oxidation characteristics

  • 摘要: 在射流搅拌反应器实验平台上针对温度范围850~1 300 K、常压条件下的甲烷氧化反应过程进行了实验研究,采用气相色谱仪测量了变组分条件下(当量比范围02~2、氧气体积分数2%~8%、二氧化碳体积分数0~20%、水蒸气体积分数0~20%)主要反应物(CH4、O2)、主要中间组分(C2H6、C2H4、C2H2、H2)和主要污染物(CO、CO2)的摩尔分数,并分析了主要反应物、中间组分以及污染物生成的影响因素和影响规律。研究表明,随着当量比和含氧量的增加,主要中间组分的摩尔分数升高;二氧化碳体积分数的增加对中间产物的生成有微弱的抑制作用,却使得污染物浓度大大增加;水蒸气体积分数的增加导致氢气生成量显著增加,同时促进一氧化碳的生成,而对二氧化碳的生成影响很小。

     

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出版历程
  • 收稿日期:  2020-05-25
  • 刊出日期:  2021-01-28

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