| 燃煤碳烟生成的实验研究 |
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| 引用本文： | 熊刚,李水清,宋蔷,姚强.燃煤碳烟生成的实验研究[J].工程热物理学报,2011(11):1965-1968. |
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| 作者姓名： | 熊刚 李水清 宋蔷 姚强 |
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| 作者单位： | 清华大学热能工程系热科学与动力工程教育部重点实验室; |
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| 基金项目： | 国家自然科学基金中芬合作项目(No.50711130637) |
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| 摘 要： | 本文利用Hencken型的平面燃烧器，以激光诱导白炽光（LII）和平面激光诱导荧光（PLIF）系统对燃煤碳烟的生成进行在线测量。对直径4—12mm的煤柱颗粒开放式燃烧的OH和碳烟颗粒进行PLIF和LII的实验结果表明，燃煤形成碳烟和挥发分火焰几乎同时出现和消失，煤柱产生碳烟的持续时间约和煤柱颗粒的粒径的1．8次方呈正比...
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| 关 键 词： | 碳烟 燃煤 激光诱导白炽光 平面激光诱导荧光 平面火焰燃烧器 |
Experimental Study of Soot Formation in Coal Combustion Process |
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| XIONG Gang LI Shui-Qing SONG Qiang YAO Qiang.Experimental Study of Soot Formation in Coal Combustion Process[J].Journal of Engineering Thermophysics,2011(11):1965-1968. |
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| Authors: | XIONG Gang LI Shui-Qing SONG Qiang YAO Qiang |
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| Institution: | XIONG Gang LI Shui-Qing SONG Qiang YAO Qiang (Key Laboratory for Thermal Science and Power Engineering of Ministry of Education,Tsinghua University,Beijing 100084,China) |
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| Abstract: | A Hencken burner was built up to study the formation of soot particles during open fire of coal combustion.Laser diagnostic techniques,including laser induce incandescence(LII) and planar laser induced fluorescence(PLIF),were used to investigate soot formation in the combustion of bulk coal cylinder.Experiment results indicate that the soot formation is strongly dependent on the devolatilization process.The existence lifetime of soot around coal cylinder is in proportion to the coal diameter.Soot is concent... |
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| Keywords: | soot coal LII PLIF flat flame burner |
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