수소-CNG 혼소기관의 공기과잉률 변화에 따른 희박가연한계 및 배출가스 특성에 관한 연구

김인구; 손지환; 김정화; 김정수; 이성욱; 김선문

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자료유형: 학술저널

저자정보: 김인구 손지환 김정화 김정수 이성욱 김선문

저널정보: 한국수소및신에너지학회 한국수소및신에너지학회논문집 한국수소 및 신에너지학회 논문집 제28권 제2호

발행연도: 2017.4

수록면: 174 - 180 (7page)

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Recently, the world faces the environmental problem such as air pollution due to harmful gas discharged from car and abnormal climate due to the green-house gases increased by the discharge of CO₂ . Compressed Natural Gas (CNG), one of alternative for this problem, is less harmful, compared to the existing fossil fuel, as gaseous fuel, and less carbon in fuel ingredients and carbon dioxide generation rate relatively favorable more than the existing fuel. However, CNG fuel has the weakness of slow flame propagation speed and difficult fast burn. On the other hand, hydrogen does not include carbon in fuel ingredients, and does not discharge harmful gas such as CO and HC. Moreover, it has strength of quick burning velocity and ignition is possible with small ignition energy source and it`s has wide Lean Flammability Limit. If using this hydrogen with CNG fuel, the characteristics of output and discharge gas is improved by the mixer`s burning velocity improved, and, at the same time, is possible to have stable lean combustion with the reduction of CO₂ expected. Therefore, this research tries to identify the characteristics of engine and emission gas when mixing CNG fuel and hydrogen in each portion and burning them in spark igniting engine, and grasp the lean combustion limit and emission gas characteristics according and use it as the basic data of hydrogen-CNG premixed engine.

#공기과잉률 #수소 #혼합연소 #희박가연한계 #Dual-fuel #Excess air ratio #Hydrogen #Lean-burn Limit

참고문헌 (12)

참고문헌 신청

김인구 / 2016 / CNG 기관의 수소혼합률 변화에 따른 성능 및 배출가스 특성에 관한 실험적 연구 / 한국수소및신에너지학회논문집 27(4):357~364

K. Kim / 2012 / An Experiamental Study Combustion and Emission Characteristics of Hydrogen Enriched LPG fuel in a Constant Volume Chamber / KSAE 12:360~366

김인구 / 2013 / LPG기관의 부분부하 조건에서 수소 혼합에 따른 성능 및 배출가스 특성에 관한 실험적 연구 / 한국수소및신에너지학회논문집 24(3):242~248

S. Won / 2010 / A Study on the Development of Hydrogen-Natural gas Dual fuel engine

D. Ko / 2012 / A Study on the Combustion and Emission Characteristics of HLPG in Constant Volume Chamber

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