Couette vs

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• 作者：Ann E. Gargett
• 关键词：Dirty ice ; Langmuir circulation ; Couette circulation ; Ice lines
• 刊名：Cold Regions Science and Technology
• 出版年：2009
• 出版时间：April 2009
• 年：2009
• 卷：56
• 期：1
• 页码：58-60
• 全文大小：431 K

文摘

This comment suggests that flow structures observed in the laboratory work of Dethleff et al., [Dethleff, D.E. Kempema, W., Koch, R. and Chubarenko, I., 2009. On the helical flow of Langmuir circulation — approaching the process of suspension freezing. Cold Regions Sci. and Tech., 56, 50–57.] and identified by the authors as Langmuir circulations may actually be Couette circulations, structures characteristic of the primary flow instability of a sheared channel flow. The difference between the two circulations has implications for the field conditions in which “dirty ice” forms.