ASPECTS OF WAVE CURRENT BOUNDARY LAYER FLOWS

Felicity C. Coffey, Peter Nielsen

Abstract


Field measurements of steady current profiles under the influence of waves are described, including a technique for obtaining an extra independant estimate of the friction velocity. Field and laboratory measurements are analysed for the effect on apparent bed roughness by superimposing waves on a current. Finally the applicability of the eddy viscosity concept to combined flows is examined. The conclusion is that in general, different eddy viscosities must be applied to different flow components.

Keywords


boundary layer flow; boundary layer; wave current; current

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