Transactions of the Korean Society of Automotive Engineers (한국자동차공학회논문집)

The Korean Society of Automotive Engineers (한국자동차공학회)
권호 표지

Spray Behavior Characteristics of Injector Used for HC-DeNOx Catalyst System in the Transparent Exhaust Manifold

모사 배기관 내 HC-DeNOx 촉매용 인젝터의 분무 거동 특성

  • Published : 2007.07.01
Download PDF
⟨ Previous Next ⟩

Abstract

A new method that optimizes a control of hydrocarbon (HC) addition to diesel exhaust gas for HC type DeNOx catalyst system has been developed. These catalysts are called as the HC-DeNOx catalyst in this paper. The system using HC-DeNOx catalyst requires a resonable quantity of hydrocarbons addition in the inlet gas of the catalyst, because the HC concentration in a diesel engine is so low that the HC is not sufficient for NOx conversion. Generally ambient temperature in the exhaust manifold is $250{\sim}350^{\circ}C$, so spray behavior in this case is different from that of any other condions. This research shows spray behavior of injected hydrocarbons in the transparent exhaust manifold.

Keywords

References

  1. J. B. Heywood, Internal Combustion Engine Fundamentals, McGraw Hill, New York, 1988
  2. H. Y. Jeong and K. H. Lee, 'Investigation of the Relationship between Liquid Sheet Characteristics and Spray Mean Diameter,' ILASS-Americas, 19th Annual Conference on Liquid Atomization and Spray Systems, Toronto, Canada, May 2006
  3. M. Ueda, A. Asamo, T. Kondo, Y. Watanabe, T. Fukuma and Y. Harada, 'A New Optimizing Technique of a Diesel Engine Aftertreatment System Using HC DeNOx Catalyst,' JSAE 20034007, 2003
  4. D. H. Lee, H. Y. Jung, K. H. Lee, J. H. Lee and K. G. Yeo, 'Spray Characteristics of Injector Used for HC-DeNOx Catalyst System,' Transactions of KSME B, Vol.31, No.2, pp.167-172, 2007 https://doi.org/10.3795/KSME-B.2007.31.2.167