Journal of Advanced Marine Engineering and Technology

  • 제39권4호
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  • Pages.381-386
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  • 2015
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  • 2234-7925(pISSN)
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  • 2234-8352(eISSN)
한국마린엔지니어링학회 (The Korean Society of Marine Engineering)
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선박디젤기관에서 바이오디젤 폐식용유의 연소특성에 대한 실험적 연구

Experimental Study on Combustion Characteristics of Biodiesel Waste Cooking Oil in Marine Diesel Engine

  • Cho, Sang-Gon (Division of Ships operating center, Kunsan National University)
  • 투고 : 2015.02.24
  • 심사 : 2015.04.28
  • 발행 : 2015.05.31
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초록

최근에 환경오염 문제와 대체에너지 문제에 많은 관심을 가지고 있다. 디젤기관은 세계적으로 연료의 경제성 때문에 사용이 증가할 것이다. 그러므로 선박용기관의 대기오염 문제도 여러 분야에서 큰 관심사가 되고 있다. 화석연료로 부터 배출되는 유해 배기가스를 줄이기 위하여 대체연료기술이 개발되고 있다. 이러한 신재생에너지의 바이오디젤연료는 기존 디젤연료를 대체할 친환경 에너지로 각광을 받고 있으며, 일정한 비율로 디젤연료와 혼합하면 기존 디젤기관에 개조 없이 사용가능하다. 본 연구에서 바이오디젤연료가 선박디젤기관의 연소특성에 미치는 영향을 분석하기 위하여 폐식용유로부터 제조된 바이오디젤유를 엔진에 적용하여 실험을 수행하였다. 폐식용 성분에는 세탄가와 점도가 높은 성분이 있고, 탄소함유량이 적으면서 산소함유량이 잔존하고 있다. 연구 결과 연료소비율은 증가하고, 압력, 압력상승율 및 열발생율은 감소하였다.

Environmental pollution and alternative energy has attracted increasing interest. The use of diesel engines is expected to increase in the world owing to their fuel economy. The problem of air pollution emissions from marine engines is causing a major concern in many areas. An alternative fuel was introduced as an environmentally friendly fuel to reduce the toxic emissions from conventional fossil fuels. Biodiesel fuel, which is a renewable energy is highlighted as environmentally friendly energy. This energy can be operated in regular diesel engines when it is blended with invariable ratios without making changes. In this study, a bio-diesel fuel was produced from waste cooking oil and applied to a marine diesel engine to examine the effects on the characteristics of combustion. Waste cooking oil contains a high cetane number and viscosity component, a low carbon and oxygen content. As a result, the brake specific fuel consumption was increased, and the cylinder pressure, rate pressure rise and rate of heat release were decreased.

키워드

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