한국수소및신에너지학회논문집 (Transactions of the Korean hydrogen and new energy society)

  • 제26권4호
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  • Pages.369-376
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  • 2015
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  • 1738-7264(pISSN)
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  • 2288-7407(eISSN)
한국수소및신에너지학회 (The Korean Hydrogen and New Energy Society)
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발전용 대형 엔진 적용을 위한 천연가스-디젤 혼소에 대한 수치 해석적 연구

Numerical Study on Co-Combustion in Diesel Engine for Heavy-Duty Power Generation

  • 서동균 (한국전력공사 전력연구원) ;
  • 허광범 (한국전력공사 전력연구원) ;
  • 정연태 (한국전력공사 전력연구원) ;
  • 김의현 (한국전력공사 전력연구원)
  • SEO, DONG-KYUN (Korea Electric Power Corporation(KEPCO) Research Institute) ;
  • HUR, KWANG-BEOM (Korea Electric Power Corporation(KEPCO) Research Institute) ;
  • JEONG, YEONTAE (Korea Electric Power Corporation(KEPCO) Research Institute) ;
  • KIM, EUI-HYUN (Korea Electric Power Corporation(KEPCO) Research Institute)
  • 발행 : 2015.08.30
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초록

Recently KEPCO, KOGAS and other institutions are jointly conducting an R&D for the development and demonstration of the power generation system based on a natural gas/diesel engine on an island. As a preliminary study, co-combustion in the dual fuel engine, which is expected to produce a few mega-watts of electricity, was modeled and calculated using computational fluid dynamics (CFD). The applied key assumptions are 2-dimensional axisymmetric, transient and static volume chemical reaction. Based on the selected blending ratio, which is the key operating condition, natural gas is substituted instead of diesel fuel (basis of high heating value). Results showed that as the blending ratio increases, the reaction rate of the combustion increases and thus maximum temperature is reached more rapidly. For the optimal performance, various geometric or operational studies will further be conducted.

키워드

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