Transactions of the Korean Society of Mechanical Engineers B (대한기계학회논문집B)

The Korean Society of Mechanical Engineers (대한기계학회)
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The Calibration Method of Time Resolved Laser Induced Incandescence Using Carbon Black Particles for the Soot Measurement at Exhaust Tail Pipe in Engine

엔진 배기단 적용을 위한 Time Resolved Laser Induced Icandescence (TIRE-LII) 신호의 보정 : 카본 입자 이용

  • 오광철 (자동차부품연구원 환경부품연구센터) ;
  • 김덕진 (자동차부품연구원 환경부품연구센터) ;
  • 이천환 (자동차부품연구원 환경부품연구센터) ;
  • 이춘범 (자동차부품연구원 환경부품연구센터)
  • Published : 2005.12.01
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Abstract

The calibration technique of Time Resolved Laser Induced Incandescence was investigated both experimentally and numerically by using standard-sized carbon black particles for the instantaneous soot measurement at exhaust tail pipe in engine. The carbon black particles (19nm, 25nm, 45nm and 58nm) used in this study are similar, though not identical, to soot particle generated from flame not only in morphology but also in micro-structure. The amount of soot loading in flow was controled by a diluted gas (nitrogen) and was measured by the gravimetric method at exhaust pipe in calibrator. The successful calibrations of primary particle size and soot mass fraction were carried out at the range from 19nm to 58nm and from $0.25mg/m^3$ to $37mg/m^3$ respectively. And based on these results the numerical simulation of LII signal was tuned and the effect of an exhaust temperature variation on the decay rate of LII signal was corrected.

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References

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