吉林大学学报(工学版) ›› 2000, Vol. 30 ›› Issue (01): 11-15.

• paper • Previous Articles     Next Articles

Reaserch on Inlet Swirl Ratio Influence of Direct Injection Turbulent Flow in Diesel Engine Cylinder

XU Si-chuan, ZHANG Jian-hua, SUN Ji-mei   

  1. College of Automobile Engineering, Jilin University of Technology, Changchun 130025, China
  • Received:1999-08-30 Online:2000-01-25 Published:2000-01-25

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Abstract:

The turbulent flow characteristics in cylinders of direct injection diesel engine under different air swirl ratios are analyzed by multi dimensional simulation methods.The turbulent energy,the fluid field structure and the temperature distribution show significant differences with the changes of air swirl ratios.The effects of swirl ratio on turbulent energy,fluid structure and temperature distrbutions in cylinder are given in this paper.

Key words: turbulent flow, internal combustion engine, swirl ratio

CLC Number: 

  • TK421


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