| 북극해에서의 쇄빙시 국부 빙하중 계측 신호에 대한 파형 분석 |
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전영주, 임채환, 이탁기 |
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| Profile Analysis on Signal Measured Local Ice Load during Icebreaking in Arctic Sea |
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Young-Ju Jeon, Chae-Whan Rim, Tak-Kee Lee |
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| Abstract |
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The aim of this study is to investigate the characteristics on the profile of local ice load acting on side shell of port side in bow part due to broken ice during icebreaking of ships in ice covered waters. The first Korean icebreaking research vessel 'ARAON' had a sea ice field trial in the Arctic Sea during early August, 2010, and the signals due to local ice impact measured from several strain gauges installed at bow part were gathered. I t is known that these data with structural response characteristics due to local ice impact have some different characteristics with a typical hydraulic impact pressure - time history. In this study, the time history on the measured signals was analyzed and the characteristic values were presented using non-dimensional parameters. |
| Key Words:
유체 충격압
local ice load;icebreaker;Arctic Sea;full-scale field trial;structural response characteristics due to ice impact;load-time history;hydraulic impact pressure |
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