Transactions of the Korean Society of Automotive Engineers (한국자동차공학회논문집)

The Korean Society of Automotive Engineers (한국자동차공학회)
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Soot Measurement in an Optically Accessible Diesel Engine Using Laser Sheet 1st report : The Development of Optically Accessible Diesel Engine and Photography of 2D Soot Images Using Laser Sheet

레이저시트광을 이용한 가시화 디젤엔진에서의 Soot 계측 제1보 : 가시화 디젤엔진의 제작 및 레이저를 이용한 Soot의 2D 화상촬영

  • 이명준 (회원, 동아대학교 대학원 기계공학과) ;
  • 박태기 (회원, 동아대학교 대학원 기계공학과) ;
  • 하종률 (회원, 동아대학교 기계공학과) ;
  • 정성식 (동아대학교 기계공학과)
  • Published : 2000.03.01
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Abstract

In order to clarify the characteristics of soot formation and oxidation in-cylinder of a diesel engine, it is necessary to diagnose accurately for combustion of in-cylinder. The past techniques for soot measurement have limitations in providing the characteristics of soot in a diesel engine, whereas, laser-based 2D imaging diagnostics have the potential to provide better temporally and spatially resolved measurements of the soot distribution. We rebuilt an optically accessible diesel engine which is similar to the conditions of a conventional engine and tried to measure soot distribution in a cylinder of the diesel engine using laser induced scattering(LIS) and laser induced incandescence(LII). Some results were acquired in this study. LIS and LII signal that show soot distribution of a in-cylinder were taken by ICCD properly. The signal of LIS was intenser than that of LII. Although they have some differences of signal intensity in early combusion period, both of signals show that they are generally similar in late combustion period, after ATDC 50 degree.

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References

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