International Journal of Automotive Technology

The Korean Society of Automotive Engineers (한국자동차공학회)
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TRANSIENT FLAMELET MODELING FOR COMBUSTION PROCESSES OF HSDI DIESEL ENGINES

  • Kim, H.J. (Department of Mechanical Engineering, Hanyang University) ;
  • Kang, S.M. (Department of Mechanical Engineering, Hanyang University) ;
  • Kim, Y.M. (Department of Mechanical Engineering, Hanyang University) ;
  • Lee, J.H. (Hyundai Motor Company) ;
  • Lee, J.K. (Hyundai Motor Company)
  • Published : 2006.04.01
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Abstract

The representative interactive flamelet(RIF) concept has been applied to numerically simulate the combustion processes and pollutant formation in the HSDI diesel engine. In order to account for the spatial inhomogeneity of the scalar dissipation rate, the eulerian particle flamelet model using the multiple flamelets has been employed. The vaporization effects on turbulence-chemistry interaction are included in the present RIF procedure. the results of numerical modeling using the rif concept are compared with experimental data and with numerical results of the widely-used ad-hoc combustion model. Numerical results indicate that the rif approach including the vaporization effect on turbulent spray combustion process successfully predicts the ignition delay characteristics as well as the pollutant formation in the HSDI diesel engines.

Keywords

References

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