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극지운항용 빙해선박의 밸러스트 수 결빙방지 기법 연구A Study on Anti-Icing Technique for Ballast Water of Icebreaking Vessels Operating in Ice-Covered Water

Other Titles
A Study on Anti-Icing Technique for Ballast Water of Icebreaking Vessels Operating in Ice-Covered Water
Authors
정성엽이춘주조성락
Issue Date
2011
Publisher
대한조선학회
Keywords
Winterization; Ballast water; Anti-icing technique; Micro-bubble system; Sea water circulation system; 방한기술; 밸러스트 수; 결빙방지 기술; 마이크로 버블장치; 해수순환장치
Citation
대한조선학회 논문집, v.48, no.1, pp 93 - 97
Pages
5
Journal Title
대한조선학회 논문집
Volume
48
Number
1
Start Page
93
End Page
97
URI
https://www.kriso.re.kr/sciwatch/handle/2021.sw.kriso/1085
ISSN
1225-1143
Abstract
When freezing is present on ballast water, it can impose additional loads on the hull and effect on stabilization of ship. The anti-icing techniques of ballast water, therefore, are key criteria for ship safety. The existing anti-icing techniques of ballast tank are hull heating, water circulation and air bubble system etc. In this research, anti-icing performance tests for the ballast water using micro-bubble system and sea water circulation system have been carried out at two temperature conditions(-10℃ and -25℃). Ambient temperature, sea water temperature and temperature of the inner parts of the ballast tank are measured and also ballast water conditions are checked during the model test. The applied anti-icing techniques of ballast water, such as micro-bubble system and sea water circulation system show good performance in the low temperature conditions.
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