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논문 기본 정보

자료유형
학술저널
저자정보
Ho-Keun Kang (Korean Register of Shipping) Ki-Pyoung Kim (Korean Register of Shipping) Soo-Whan Ahn (Gyeongsang National University)
저널정보
한국동력기계공학회 동력시스템공학회지 한국동력기계공학회지 제17권 제2호
발행연도
2013.4
수록면
95 - 102 (8page)

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초록· 키워드

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For vessels operating in the cold climate regions, the ballast water inside or hopper tanks above the waterline may be frozen, starting at the top of the tank and at the side walls. Therefore, countermeasures against freeze-up of the ballast tank such as air-bubbling system, hot steam injecting system, heating coil system and water circulating system are taken to prevent freeze-up phenomenon; however, there are no rigorous investigations of anti-freezing to examine the effectiveness and validity of systems against freeze-up of the ballast tank, in which the temperatures are about -25℃ (ambient air temperature) and 0℃ (sea water), respectively. In this paper, to ensure reasonable specifications for cold regions if the measures from the above-mentioned systems against freeze-up are effective, the phenomenon of ballast tank freeze-up is simulated and discussed in low temperature conditions. With the results using the commercial CFD code, CFX 14, the most cost-effective solution is conducted to prevent being frozen along the outer surface.

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Abstract
1. Introduction
2. Numerical method
3. Results and discussion
4. Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2014-500-003596245