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首页> 外文期刊>International Journal of Offshore and Polar Engineering >Ice-Induced Vibrations and Effects of Ice Temperature
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Ice-Induced Vibrations and Effects of Ice Temperature

机译：冰引起的振动和冰温的影响

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摘要

Norstroemsgrund Lighthouse full-scale data from the 2002/03 winter show that ice-induced vibrations of a vertical-sided offshore structure are occurring more frequently from mid-March on, rather than earlier in the winter. Meteorological data are used to calculate the ice growth and it is found that the occurrence of ice-induced vibrations may correspond with the stop in ice growth. Direct measurements of ice temperature in the surrounding ice cover indicate that the temperature profile in the ice cover changes from a linear shape to a C-shape between 28 February and 10 March. The major observations of ice-induced vibrations were done from 10 March on. Then intense vibrations were detected after a time period with air temperatures in the range of 0℃ to +10℃. Ice-induced vibrations were also corresponding with the occurrence of global ice drift observed from satellite images.
机译：Norstroemsgrund Lighthouse从2002/03年冬季开始的全面数据显示，从3月中旬开始，由冰引起的垂直侧近海结构的振动发生的频率更高，而不是冬天的早期。气象数据用于计算结冰量，发现结冰引起的振动的发生可能与结冰停止有关。对周围冰盖中冰温度的直接测量表明，在2月28日至3月10日之间，冰盖中的温度曲线从线性形状变为C形。从3月10日开始对冰引起的振动进行了主要观测。然后，在一段时间内，气温在0℃至+ 10℃范围内，检测到强烈振动。冰引起的振动也与从卫星图像观测到的全球冰漂移的发生相对应。

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