期刊
CHINA OCEAN ENGINEERING
卷 32, 期 2, 页码 169-178出版社
CHINA OCEAN PRESS
DOI: 10.1007/s13344-018-0018-9
关键词
synthetic ice; pack ice; concentration; heave; pitch; peak collision value
资金
- National Natural Science Foundation of China [51639004]
In order to analyze the ice-going ship's performance under the pack ice conditions, synthetic ice was introduced into a towing tank. A barrier using floating cylinder in the towing tank was designed to carry out the resistance experiment. The test results indicated that the encountering frequency between the ship model and the pack ice shifts towards a high-velocity point as the concentration of the pack ice increases, and this encountering frequency creates an unstable region of the resistance, and the unstable region shifts to the higher speed with the increasing concentration. The results also showed that for the same speed points, the ratio of the pack ice resistance to the open water resistance increases with the increasing concentration, and for the same concentrations, this ratio decreases as the speed increases. Motion characteristics showed that the mean value of the heave motion increases as the speed increases, and the pitch motion tends to increase with the increasing speed. In addition, the total resistance of the fullscale was predicted.
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