Numerical Study on Combustion Characteristics of Diesel Spray Crossing the Critical Temperature Range
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TK40

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    Abstract:

    Conditional moment closure (CMC) model was coupled with the computer fluid dynamics (CFD) software to establish the combustion model of diesel spray in active thermo-atmosphere, the effect of ambient pressure on auto-ignition critical temperature was analyzed, meanwhile the combustion characteristics of diesel spray crossing the critical temperature range were studied. The results show that as the ambient pressure increases, the critical temperature remains around 1048K, in simulation conditions, when the co-flow temperature gets close to 1048K, 2K's co-flow temperature changes can greatly influence the flame temperature and the distribution of active components such as OH, H, HO2 etc.

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baotangtang, dengjun, wuzhijun. Numerical Study on Combustion Characteristics of Diesel Spray Crossing the Critical Temperature Range[J].同济大学学报(自然科学版),2013,41(8):1255~1262

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History
  • Received:August 15,2012
  • Revised:May 28,2013
  • Adopted:April 10,2013
  • Online: September 05,2013
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