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논문 기본 정보

자료유형
학술저널
저자정보
이정욱 (경상대학교) 한승훈 (경상대학교)
저널정보
한국동력기계공학회 동력시스템공학회지 동력시스템공학회지 제25권 제1호
발행연도
2021.2
수록면
60 - 69 (10page)
DOI
10.9726/kspse.2021.25.1.060

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초록· 키워드

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In recent years, regulations of environmental pollution have gradually been strengthened worldwide. The International Maritime Organization (IMO) has adopted the “agreement of air pollution prevention of ships” which regulates the emission of air pollutants from ships. Regulation of nitrogen oxide (NOx) emissions of large marine diesel engines below 130 rpm have been strengthened. In the case of large marine diesel engines, the regulations for Tier-III, which took effect in January 2016. It has been reinforced to less than 14.4 g/Kwh, which is a regulation that must reduce nitrogen oxides by more than 80% compared to Tier-II. In addition, since 2020, the emission of sulfur oxides (SOx) has been regulated to less than 0.5% and the ships sailing in coastal and exclusive economic zones are regulated to be limited to 0.05%. In order to reduce the emission of nitrogen oxides (NOx) and sulfur oxides (SOx) generated from ships, it is essential to install post-treatment devices such as SCR and scrubber. The annual average amount of particulate matter (PM) in Korea is 24.8 ㎍/㎥, which is said to be the worst among the OECD countries and the 26th most serious in the world. The government aims to reduce domestic particulate matter (PM) emissions by 30% until 2022. Currently, the port cities of Busan, Incheon, and Ulsan have poor air quality, and air pollutants generated from ships are introduced and are affected by serious environmental pollution. In the future, regulations on particulate matter (PM) are expected as environmental regulations are strengthened in the International Maritime Organization as well. Currently, most studies on post-treatment devices to reduce nitrogen oxides (NOx) and sulfur oxides (SOx) generated from ships are conducted; however, there is almost no research on the reduction of particulate matter (PM) for ships. Therefore, in this study, it was conducted on an electric precipitator for reducing particulate matter (PM) in a 300 kW class of marine diesel engine. The electrostatic precipitator is a device that collects particulate matter (PM) from a collecting plate by causing a corona discharge phenomenon. In this study, three types of dust collector plates and electrode plates, which are components of the electrostatic precipitator, were designed and structural stability was derived through numerical analysis.

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Abstract
1. 서론
2. 모델링 및 경계조건
3. 수치해석 결과 및 고찰
4. 결론
References

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