Examination of drag coefficient with special reference to the windsea Reynolds number: Conditions with counter and mixed swell
Journal of Oceanography(2010)
摘要
The effect of swell on the drag coefficient, C D , observed at the Hiratsuka Tower Station, presented by Suzuki et al. (1998, 2002), has been investigated. C D increases sharply with the windsea Reynolds number, R B , when there is a counter swell against the windsea direction, and only gradually when the swell comes from a mixture of directions. In cases where 2-D wave spectra were unavailable (1998, and others), swells showed a scattering effect compared with the pure windsea case on the C D - R B Diagram. R B is a useful parameter for investigating the effect of swells and further systematic accumulation of appropriate data is needed.
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关键词
Drag coefficient,wind wave,effect of swell,windsea Reynolds number
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