Transactions of the Korean Society of Automotive Engineers (한국자동차공학회논문집)

The Korean Society of Automotive Engineers (한국자동차공학회)
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A Study on In-Cylinder Measurement of Flame Temperature and Soot Distribution in D.I. Diesel Engine Using Tow-Color Method

이색법을 이용한 직접 분사식 디젤엔진 실린더내의 화염 분도 및 Soot 분포 측정에 관한 연구

  • 박정규 (건국대학교 기께공학부) ;
  • 정수훈 (건국대학교 대학원) ;
  • 원영호 (울산대학교 기게자동차공학부)
  • Published : 1999.09.01
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Abstract

Two dimensional flame temperature and KL value distribution from the luminous flame containing soot in a DI diesel engine were measured by the tow-color method using tow different wavelengths of the flame image. The combustion chamber of a DI diesel engine was visualized by elongating the piston and cylinder and the flame in the combustion chamber was photographed on a nega-color film using a high speed camera. In this study, color CCD camera was used to digitize the three color density of the film exposed to the flame and standard lamp . The accuracy of the measuring method depends on the calibration line of film made from a high temperature standard tungsten lamp. The formation and oxidization of soot in the diesel engine were studied by observing measured time history of KL factor and flame temperature . Also , effects of various shapes of combustion chamber and fuel injection on flame temperature. Also, effects of various shapes of combustion chamber and fuel injection on flame temperature and KL value distribution were examined.

Keywords

References

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