| 稀释H2/CO混合气与空气对撞燃烧的数值研究 |
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| 引用本文： | 陆阳,黄威,赵平辉,叶桃红,陈义良.稀释H2/CO混合气与空气对撞燃烧的数值研究[J].工程热物理学报,2011(2):337-340. |
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| 作者姓名： | 陆阳 黄威 赵平辉 叶桃红 陈义良 |
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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; |
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| 基金项目： | 国家自然科学基金资助项目(No.50776085;No.50936005) |
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| 摘 要： | 采用多组分混合物中扩散速度表达式并考虑Soret效应,在物理空间求解同时加入了多种稀释成分(CO2,H2O,N2)的H2/CO混合气与空气对撞燃烧形成的非预混火焰;考察了稀释成分加入与否以及稀释成分浓度的调整对于火焰结构以及相应熄火拉伸率产生的影响.结合数值计算中采用的化学反应机理,从稀释给H2/CO混合气所带来的物理...
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| 关 键 词： | 对撞火焰 基元反应 热物理化学性质 熄火拉伸率 |
NUMERICAL STUDY ON COUNTER-FLOW COMBUSTION OF DILUTED H_2/CO AND AIR |
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| LU Yang HUANG Wei ZHAO Ping-Hui YE Tao-Hong CHEN Yi-Liang.NUMERICAL STUDY ON COUNTER-FLOW COMBUSTION OF DILUTED H_2/CO AND AIR[J].Journal of Engineering Thermophysics,2011(2):337-340. |
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| Authors: | LU Yang HUANG Wei ZHAO Ping-Hui YE Tao-Hong CHEN Yi-Liang |
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| Institution: | LU Yang HUANG Wei ZHAO Ping-Hui YE Tao-Hong CHEN Yi-Liang (School of Engineering,University of Science and Technology of China,Hefei 230027,China) |
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| Abstract: | By using multi-component diffusion velocity expression and taking Soret effect into consideration,counter-flow nonpremixed combustion of air and H2/CO diluted simultaneously with CO_2,H_2O or N_2 was simulated in physical space.The consequences of adding or not these dilution species and their concentration variations were studied with respect of flame structures and extinction strain rates.Reasons for these changes were analyzed from perspectives of elementary reactions,physical properties and chemical pro... |
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| Keywords: | counter-flow flame elementary reaction thermophysical/chemical property extinction strain rate |
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