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Some improvements for brash ice test procedure
- Authors
- Lee, C.-J.; Lau, M.; Wang, J.-Y.; Cho, S.-R.
- Issue Date
- 2009
- Publisher
- Lulea University of Technology
- Keywords
- Brash ice; Ice model basin; Ice model test; Level ice
- Citation
- Proceedings of the International Conference on Port and Ocean Engineering under Arctic Conditions, POAC, v.1, pp 510 - 515
- Pages
- 6
- Journal Title
- Proceedings of the International Conference on Port and Ocean Engineering under Arctic Conditions, POAC
- Volume
- 1
- Start Page
- 510
- End Page
- 515
- ISSN
- 0376-6756
- Abstract
- This paper presents the procedure to produce the brash ice channel and the preliminary results of ship resistance and propulsion performance of the Terry-Fox in brash ice. Model tests of a 1:21.8 scaled model of CCG Icebreaker Terry-Fox in brash ice were carried out at the Institute for Ocean Technology's (NRC-IOT) ice tank. A total of four ice sheets were used: one for resistance tests, and three for towed propulsion tests. The results showed that it would be important to model the brash ice channel using multiple layers rather than a single layer due possibly to a significant influence of the number of layers on thrust reduction in the targeted ice condition (FSICR 1A). This difference in thrust reduction could be attributed to different degree of propeller-ice interaction associated with different brash ice configurations. Copyright？ (2009) by Lulea University of Technology.
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