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The resistance of ice breaking ships based on model tests

Authors
Cho, S.-R.Kang, K.-J.Lee, S.
Issue Date
2015
Publisher
Society of Naval Architects and Marine Engineers
Keywords
Crushing failure; Ice breaking ships; Ice model test; Ice resistance; Multiple regression analysis
Citation
SNAME 5th World Maritime Technology Conference, WMTC 2015
Journal Title
SNAME 5th World Maritime Technology Conference, WMTC 2015
URI
https://www.kriso.re.kr/sciwatch/handle/2021.sw.kriso/8628
DOI
10.5957/WMTC-2015-125
ISSN
0000-0000
Abstract
The two most important tasks of ice breaking ships are first to secure a sailing route by breaking the thick sea ice and second to sail efficiently herself for purposes of exploration and transportation in the polar seas. The resistance of ice breaking ships is a priority factor at the preliminary design stage; not only must their sailing efficiency be satisfied, but the design of the propulsion system will be directly affected. Therefore, the performance of ice-breaking ships must be accurately calculated and evaluated through the use of model tests in an ice model basin before construction starts. In this paper, a new procedure is developed, based on model tests, to estimate a ship’s ice resistance during continuous icebreaking in level ice. Some of the factors associated with crushing failures are systematically considered in order to correctly estimate her ice-breaking resistance, while the effects of the hull geometry, as reflected in the length, breadth, and draft of ships, are considered in calculating buoyancy and clearing resistance. Multiple regression analysis is calculated with each ice resistance component. This study is intended to contribute to the improvement of the techniques for ice resistance prediction with ice breaking ships. ? SNAME 5th World Maritime Technology Conference, WMTC 2015. All rights reserved.
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Cho, Seong rak
연구전략본부 (정책협력실)
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