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柴油/甲醇燃燒微粒熱解化學(xué)反應(yīng)參數(shù)研究
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國家自然科學(xué)基金資助項目（50776042）,、江蘇省高校自然科學(xué)基金重點資助項目（10KJA470009）,、江蘇省研究生科研創(chuàng)新計劃資助項目（CXZZ12_0676）和PAPD資助項目（2011年）


Pyrolysis Process of Diesel/Methanol Combustion Particulates
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    摘要:

    應(yīng)用熱重/差熱同步分析儀，在氧氣氛圍下對柴油/甲醇（M0/5/15）燃燒微粒進(jìn)行了熱解過程試驗,，得到了微粒的失重曲線和燃燒速率曲線,。根據(jù)試驗數(shù)據(jù)分析了微粒的熱解過程,、著火溫度和燃盡特性指數(shù)，并計算了微粒的熱解動力學(xué)參數(shù),。結(jié)果表明,，隨著甲醇摻混比的增大，微粒中揮發(fā)組分的質(zhì)量減少,，第1溫度區(qū)間的熱解速率峰值減小,，固定碳顆粒的質(zhì)量增加，第2溫度區(qū)間的熱解速率峰值增大,；微粒的反應(yīng)活化能降低,，熱解性能增強(qiáng)；微粒的著火溫度降低,，燃燒特性指數(shù)和燃盡特性指數(shù)上升,，微粒的燃燒效率提高。

    Abstract:

    An experiment of pyrolysis process of diesel/methanol (M0/5/15) combustion particulate in oxygen was conducted by using the thermogravimetry/difference synchronization analyzer. According to the experiment data, the pyrolysis process, ignition point temperature and burnout characteristic index were calculated. The results showed that the volatile components of diesel/methanol combustion particulate were decreased and the quality of the fixed carbon particles were increased. The peak of pyrolysis rate in the first temperature interval was decreased and increased in the second temperature interval. The activation energy of the particles was reduced, and the pyrolysis performance was enhanced. The ignition point temperature was reduced, and the burning characteristic index and burnout characteristic index were increased. The combustion efficiency of particles were improved with the increase of methanol mixing proportion.

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趙 洋,王 忠,李銘迪,李瑞娜.柴油/甲醇燃燒微粒熱解化學(xué)反應(yīng)參數(shù)研究[J].農(nóng)業(yè)機(jī)械學(xué)報,2014,45(2):11-15. Zhao Yang, Wang Zhong, Li Mingdi, Li Ruina. Pyrolysis Process of Diesel/Methanol Combustion Particulates[J]. Transactions of the Chinese Society for Agricultural Machinery,2014,45(2):11-15.

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  • 收稿日期:2013-03-22
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  • 在線發(fā)布日期: 2014-02-10
  • 出版日期: 2014-02-10
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