| 煤层气—空气预混层流火焰特性试 |
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| 引用本文： | 郑斌,刘永启,李萍,刘瑞祥,高振强.煤层气—空气预混层流火焰特性试[J].农业机械学报,2009,40(8):23-26. |
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| 作者姓名： | 郑斌 刘永启 李萍 刘瑞祥 高振强 |
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| 作者单位： | 山东理工大学交通与车辆工程学院,淄博,255049 |
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| 基金项目： | 山东省自然科学基金资助项目，淄博市科技攻关项目 |
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| 摘 要： | 利用高速摄影技术,在定容燃烧弹中研究了不同燃空当量比、初始压力和煤层气中CH4浓度对煤层气燃烧火焰传播速度和层流燃烧速度的影响.研究结果表明:在燃空当量比为1.1时层流燃烧速度最大;燃烧开始时,随着初始混合压力的增加,最大燃烧压力明显增加,火焰传播速度和层流燃烧速度减小,火焰半径大于40 mm后,层流火焰传播速度和燃烧速度又随初始压力的增加而增大;随着煤层气中CH4浓度的增加,层流燃烧速度和最高燃烧压力显著增大.
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| 关 键 词： | 煤层气 预混层流火焰 定容燃烧弹 |
on the Premixed Laminar Flames of Coal Bed Methane-air Mixtures |
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| Zheng Bin,Liu Yongqi,Li Ping,Liu Ruixiang,Gao Zhenqiang.on the Premixed Laminar Flames of Coal Bed Methane-air Mixtures[J].Transactions of the Chinese Society of Agricultural Machinery,2009,40(8):23-26. |
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| Authors: | Zheng Bin Liu Yongqi Li Ping Liu Ruixiang Gao Zhenqiang |
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| Institution: | College of Traffic and Vehicle Engineering;Shandong University of Technology;Zibo 255049;China |
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| Abstract: | The effects of bomb under equivalence ratios,initial pressures and CH4 concentrations on the premixed laminar flames propagation velocity and the laminar burning velocity of coal bed methane-air mixtures were studied in a constant volume combustion bomb by high speed video camera.The results showed as follows,when equivalence ratio is 1.1,laminar burning velocity has the largest value;in initial combustion stage,with the increase of initial pressure,maximum combustion pressure markedly increases,laminar fla... |
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| Keywords: | Coal bed methane Premixed laminar flame Constant volume combustion bomb |
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