Journal of ILASS-Korea (한국분무공학회지)

Institute for Liquid Atomization and Spray Systems-Korea (한국분무공학회)
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The Effect on the Combustion and Emission Characteristics of HCNG Engine According to the High Purity Hydrogen Contents

고순도 수소함량에 따른 HCNG 연소특성 및 배출가스 영향 평가

  • 이종태 (국립환경과학원 교통환경연구소) ;
  • 임윤성 (국립환경과학원 교통환경연구소) ;
  • 김형준 (국립환경과학원 교통환경연구소) ;
  • 이성욱 (국민대학교 자동차공학과) ;
  • 이장훈 (호서대학교 환경공학과) ;
  • 김종규 (가천대학교 글로벌헬스케어경영학과)
  • Received : 2012.09.13
  • Accepted : 2012.09.19
  • Published : 2012.09.30
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Abstract

This investigation decribes the effect of the combustion and emission characteristics of HCNG engine according to the high purity hydrogen contents. The HCNG fuel was made by the mixture with a high purity hydrogen ($H_2$) and a natural gas. The test vehicle was applied to the bi-fuel (Gasoline and CNG) system and this system was modified from the fuel supply and fuel tank. In addition, the three premixed HCNG fuels with mixed rate of 10, 20 and 30% of hydrogen were used to maintain the safety. In order to analyze the combustion characteristics of HCNG and CNG, the fuel was injected in the combustor with constant volume. The exhaust emission from light duty vehicle with bi-fuel system was analyzed by a chassis dynamometer and emission analyzer. From these results, the reduction rate of NOx emission increased in the HCNG fuel and emission amount of THC and CO shows a similar level with CNG fuel. This study can be utilized the basic data for the development of a new business plans related with HCNG engines.

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References

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