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자료유형
학술저널
저자정보
서강현 (한국해양대학교) 이재웅 (한국해양대학교)
저널정보
한국동력기계공학회 동력시스템공학회지 동력시스템공학회지 제26권 제1호
발행연도
2022.2
수록면
72 - 82 (11page)
DOI
10.9726/kspse.2022.26.1.072

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In the rapidly changing LNG market, securing stable energy has become very important due to the instability of the international situation with the continued rise in oil prices in 2013. Accordingly, South Korea is conducting stable LNG supply and demand through long-term LNG contract projects with the United States and Australia. In this paper, the performance of the propulsion system based on the data from the operating ship and the newly changed IMO emission factor was evaluated, and the results analyzed in the design stage were compared and verified. Fuel consumption based on the data from the operating ship of each propulsion increased by 230-240% between UST and FMDFE compared to the design stage while TLDFE showed fuel consumption with no significant difference in design and operating ships. Air pollutants CO₂, NOx and SOx were calculated by applying the IMO emission factor. In the case of CO₂, UST with the lowest fuel efficiency was the highest, and in the case of NOx and SOx, TLDFE, which consumes the most liquid fuel oil, was the highest. In the IMO, the NOx emission factor was changed by engine type in 2020. This is an action according to the characteristics of the engine using LNG as fuel. At the time of design, the emission factor of each fuel type applied to analysis is proportional to the fuel consumption. So TLDFE shows the lowest emission when applying the fuel type factor. Therefore, the applying the factor reflecting the engine characteristics is judged to be reasonable for calculating the actual emission when calculating the NOx emission of LNG carriers.

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Abstract
1. 서론
2. 연구내용 및 방법
3. 결과 및 고찰
4. 결론
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