한국가시화정보학회지 (Journal of the Korean Society of Visualization)

  • 제14권3호
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  • Pages.51-58
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  • 2016
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  • 1598-8430(pISSN)
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  • 2093-808X(eISSN)
한국가시화정보학회 (The Korean Society of Visualization)
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예연소실 점화플러그의 화염가시화와 화염전파특성

Flame Visualization and Flame Characteristics of Spark Plug with Pre-ignition Chamber

  • 투고 : 2016.10.17
  • 심사 : 2016.12.26
  • 발행 : 2016.12.31
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초록

New concept spark plug was developed to study its influence on the combustion characteristics of SI engine. It has pre-ignition chamber at the lower end of spark plug and flame hole, in which fresh mixture gas can be put in through the flame hole without any fuel supply system. This spark plug was tested in a single cylinder engine dynamometer for different air fuel ratio to measure the fuel consumption rate, emission gases, and MBT timing. And constant volume combustion chamber was made to understand flame characteristics of spark plug. New spark plug induced fast burn compared to the conventional spark plug and its effects were increased in lean air fuel ratio. Pre-ignition chamber spark plug with 5 holes which had adjusted size was more stable and effective in combustion performance than pre-ignition chamber spark plug with 1 hole. And its effects showed larger differences in lean air fuel ratio than stoichiometric condition. Flame kernel and flame growth process of conventional spark plug and pre-ignition chamber spark plug studied by flame visualization of schlieren method.

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참고문헌

  1. Lee, J. S., Kim, J. Y., Chung, S. S., Bae, C. S., 1998, "Effects of Mixture Flow and Ignition Characteristics on the Engine Performance," KSAE, Volume 6, No.5, pp.37-44.
  2. Song, J. H., Sunwoo, M. H., Kim, W. T., 1999,"A Study on the Engine Performance Improvement of a Lean Burn Engine by high Energy Ignition," KSAE, Volume 7, No.2, pp.31-40.
  3. Han, M. B., Song, J. H., Sunwoo, M. H., 1996, "A study of the Ignition Energy Effects of a Lean Burn Engine(1)," Hanyang Univ., Volume 2, No.2.
  4. Jie, M. S., Kim, M. H., and Kim, W. T., 1993, "The Effect of Tumble Flow on Engine Performance and Flame Propagation," SAE 931946, 7th International Pacific Conference, Phoenix.
  5. Jie, M. S., Kim, J. H., Yoo, S. Y., 2007, "A Study on the Combustion Characteristics of Spark Plug with Pre-ignition Chamber," KSME, Volume 31-B, No.8, pp.718-723.
  6. Kim, M. H., Park, J. S., Ruy, H. W., 2000,"Combustion Characteristics of Plasma Jet Ignition for Cross Section Shape of Constant Volume Combustion Chamber," Journal of the Industrial Technology Research Institute, Soong Sil University, Vol. 30, pp.93-101.
  7. Kim, J. S., Chon, M. S., Yun, J. E., 2000, "In-cylinder Flame Propagation Characteristics of SI Engine by using Optimal Thresh hold Method," KSAE, Volume 8, No.5, pp.96-104.