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- W2023004240 abstract "Abstract: An Oxy-fuel combustion has been studied in order to reduce exhaust emissions and fuel consumption. The flow and flame behaviors are analyzed with focal length variation in one-focussing oxygen burner introduced in this study. Oxygen is supplied into the center of the nozzle, methane fuel isinto the outer nozzle of the center, and then oxygen is again supplied into the outer of the fuel nozzle. Thetest conditions are 5 focal lengths of 100mm to 500mm. The mixing behaviors and temperature distributions are analyzed. The result shows that the shorter the focal length is, the longer the mixing length becomes, and the flame width and length are the biggest in the case of 300mm. Key words: Oxygen Burner, One focusing, CFD, Fuel mixing, Flame †교신저자(한국해양대학교 기계에너지시스템공학부, E-mail:khpark@hhu.ac.kr, Tel: 051-410-4367)1 한국해양대학교 기계공학과 대학원 1. 서 론 환경에 관한 관심이 증가하면서 지구온난화와 관련된 온실 가스배출에 대한 규제가 강화되고 있다. 온난화의 주원인은 화석연료를 사용하는 연소기에서 배출되는 이산화탄소이며, 이산화탄소의 배출을 저감하기 위하여 열효율향상에 의한 연료소비의 저감이 요구된다. 에너지 효율 향상에 의한 탄소저감기술로서 산소연소기술에 대한 연구가 진행되고 있다[1-8]. 산소연소는 탄화 수소계 연료와 산소가 반응하여 수증기와 이산화탄소만을 생성하기 때문에 고온의 질소가 배가스로 배출되지 않아 배가스중의 질소 배출 에너지 만큼의 에너지 절감효과가 있다. 또한 질소 산화물의 배출을 억제하고 고농도 " @default.
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- W2023004240 date "2011-09-30" @default.
- W2023004240 modified "2023-09-25" @default.
- W2023004240 title "The Effect of Focal Length on Fuel Mixing And Combustion in One-focusing Oxygen Burner" @default.
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- W2023004240 doi "https://doi.org/10.5916/jkosme.2011.35.6.814" @default.
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