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催化重整反应在乳化油着火过程中的研究
引用本文:卢小丰,侯凌云,傅维标. 催化重整反应在乳化油着火过程中的研究[J]. 推进技术, 2006, 27(5): 399-403
作者姓名:卢小丰  侯凌云  傅维标
作者单位:清华大学,航天航空学院,北京,100084
摘    要:1引言掺水燃烧技术有着广泛的应用前景[1],少量水的加入可以同时降低NOx与碳烟颗粒的生成,而不影响其燃烧效率,但也有掺水后着火时间变长的问题。燃烧过程是决定燃烧效率与排放物生成的关键过程,催化重整反应能够有效地缩短掺水燃料的着火时间。同时催化反应能够产生少量的氢气

关 键 词:乳化燃料  催化点火  催化重整反应   点火延迟  点火温度
文章编号:1001-4055(2006)05-0399-05
收稿时间:2005-11-15
修稿时间:2006-01-09

Ignition process study of emulsified fuel''''s catalytic reforming reaction
LU Xiao-feng,HOU Ling-yun and FU Wei-biao. Ignition process study of emulsified fuel''''s catalytic reforming reaction[J]. Journal of Propulsion Technology, 2006, 27(5): 399-403
Authors:LU Xiao-feng  HOU Ling-yun  FU Wei-biao
Affiliation:School of Aerospace, Tsinghua Univ. , Beijing 100084, China
Abstract:The ignition process of emulsified fuel's catalytic reforming reaction in constant volume chamber was studied and the ignition curves of diesel oil,emulsified fuel(containing 20wt% water) with or without catalyst were compared.From the results of experiment and calculation,it is shown that the emulsified diesel fuel's ignition delay is longer than that of pure diesel oil,but if there was catalytic reforming reaction,the ignition delay would be shortened.Through the experiment,it is also verified that the ignition of fuel firstly occurs on the surface covered catalyst,and then spreads out the space to make the ignition easy.It is showed that catalytic reforming reaction takes an active part in the ignition of emulsified fuel.
Keywords:Emulsified fuel   Catalytic ignition   Catalytic reforming reaction    Ignition delay   Ignition temperature
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