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Article Navigation> JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY> 2006> 15(1): 17-21
GE Yun-shan, ZHANG Shi-ying, ZHOU Lei, ZHANG Fu-jun. Research on Spray, Combustion and Emission Characteristics for DI Diesel Engine[J]. JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2006, 15(1): 17-21.
Citation: GE Yun-shan, ZHANG Shi-ying, ZHOU Lei, ZHANG Fu-jun. Research on Spray, Combustion and Emission Characteristics for DI Diesel Engine[J].JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2006, 15(1): 17-21.
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Research on Spray, Combustion and Emission Characteristics for DI Diesel Engine

  • School of Mechanical and Vehicular Engineering, Beijing Institute of Technology, Beijing 100081, China

  • Received Date:2004-03-18
    Abstract
  • To improve the combustion chamber shape that can decrease the directed injection (DI) diesel emission, the theories of DI diesel spray, combustion and pollutant formation model are analysed and implemented based on the CFD code FIRE. Results show that the chamber with contracting orifice can get stronger squish swirl intensity. The results of the verification studies show a good accordance with the measurements and reveal that the individual processes of spray evolution, combustion and pollutant formation are well captured in FIRE. Finally, based on the analyzing and comparing of the calculation results of different chambers, a combustion chamber of contracting orifice geometry with lower emission is proposed.
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