Structure of the Wave Bottom Boundary Layer over Smooth and Rough Bottoms |
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| Authors: | V M Kushnir |
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| Institution: | (1) Marine Hydrophysical Institute, Ukrainian Academy of Sciences, Sevastopol, Ukraine |
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| Abstract: | The comparison of six well-known models of the wave bottom boundary layer shows that they are identical in the case of a smooth
bottom but exhibit serious differences for the other types of conditions. The thickness of the wave bottom boundary layer
and the coefficient of vertical diffusion of momentum are studied by using the relations of the k-ε-model. The validity of these estimates is checked by comparing the measured and computed values of the friction velocity.
This comparison demonstrates fairly good agreement between the results characterized by a coefficient of correlation equal
to 0.851.
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Translated from Morskoi Gidrofizicheskii Zhurnal, No. 6, pp. 54–67, November–December, 2005. |
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