| 不同化学反应机理对甲烷射流湍流扩散 火焰计算结果影响的研究 |
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| 引用本文： | 董刚,黄鹰.不同化学反应机理对甲烷射流湍流扩散 火焰计算结果影响的研究[J].燃料化学学报,2000,28(1):49-54. |
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| 作者姓名： | 董刚 黄鹰 |
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| 作者单位： | 中国科学技术大学热科学与能源工程系!合肥230026 |
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| 摘 要： | 在分析甲烷－空气氧化反应动力学过程的基础上，采用四步简化机理和两种半详细的化学反应动力学机理－＠机理和Ｙ机理，对甲烷射流扩散燃烧的发浓度和温度进行了数值模拟，计算结果与实验结果进行了对比分析。其结果表明，不同的化学反应机理对甲烷射流扩散燃烧的计算结果有明显影响，对其中退化分支链式反应的重要性进行了讨论。
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| 关 键 词： | 化学反应 退化分支 甲烷 燃烧 湍流 |
STUDY OF EFFECTS OF DIFFERENT CHEMICAL REACTION MECHANISMS ON COMPUTATION RESULTS FOR METHANE JET TURBULENCE DIFFUSION FLAME |
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| DONG Gang,HUANG Ying,CHEN Yi-liang.STUDY OF EFFECTS OF DIFFERENT CHEMICAL REACTION MECHANISMS ON COMPUTATION RESULTS FOR METHANE JET TURBULENCE DIFFUSION FLAME[J].Journal of Fuel Chemistry and Technology,2000,28(1):49-54. |
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| Authors: | DONG Gang HUANG Ying CHEN Yi-liang |
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| Abstract: | Based on the analysis of kinetical process of CH 4 -air oxidation, a numerical modeling of the species concentrations and temperature for CH 4 jet diffusion combustion is made using a four-step reduced mechanism and two semi-detailed chemical kinetical reaction mechanismsW mechanism and Y mechansim The results show that the computation results of CH 4 jet diffusion combustion is apparently affected by the different reaction mechanisms, and the importance of the degenerate-branching chain reactions is discussed |
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| Keywords: | chemical reaction mechanism degenerate-branching reaction modeling |
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