Experimental Study on Characteristic of Growth of Frazil and Pancake Ice
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概要
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We conducted laboratory experiments to monitor frazil/pancake ice growth from open water condition in an indoor wave tank cooled at -8 degree. Salt water with concentration of 35psu was used similar to ocean conditions. In the growth of frazil ice, the deposition thickness and the rise velocity were measured and in that of pancake ice, the size was recorded at 2 hours interval during about 16 hours, respectively. As a result, when whole sea water in the tank supercooled, the frazil ice is actively generated not only on surface but also in the deeper water. The maximum deposition thickness becomes about 6 mm per an hour. Finally, the sizes of pancake could be estimated by probability density function based on logarithmic normal distribution.
- Japan Society of Civil Engineersの論文
Japan Society of Civil Engineers | 論文
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