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논문 기본 정보

자료유형
학술저널
저자정보
Jeong Min Cheon (Korea Marine Equipment Research Institute) Myo Thant Zin (Pukyong National University) Sukho Jung (Pukyong National University)
저널정보
한국마린엔지니어링학회 Journal of Advanced Marine Engineering and Technology (JAMET) 한국마린엔지니어링학회지 제44권 제2호
발행연도
2020.4
수록면
133 - 138 (6page)
DOI
10.5916/jamet.2020.44.2.133

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초록· 키워드

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The International Maritime Organization is tightening regulations on air pollution and greenhouse gas emission from ships. One of the resolution strategies for control is the use of the dual fuel diesel engine with natural gas, and it has been widely researched. In this study, a dual fuel diesel engine of 2000㏄ with common-rail system was adopted and the effects of common-rail pressure and mixing ratio of diesel oil and natural gas on the combustion and emission characteristics of the engine were investigated. A three-step common-rail pressure test was set with increments of 10 ㎫ and a four-step natural gas ratio test was set under two engine loads. As common-rail pressure was increased by 10 ㎫, nitrogen oxides increased by 0.2 g/㎾h. As natural gas ratio was increased, the specific energy consumption and nitrogen oxides decreased but carbon monoxide and total hydrocarbon emissions increased. COVIMEP increased with increasing mass fraction of natural gas at low load, which could be attributed to diffusion combustion at low loads. The effect of the COVIMEP value on the stability of operation was negligible.

목차

Abstract
1. Introduction
2. Experimental Apparatus and Method
3. Results and Discussion
4. Conclusion
References

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