Abstract
The results of bed shear stress measurements for vims Sea Carousel under clear-water and flat-bed conditions are presented. The measurements were made using a flush mounted hot film shear stress sensor mounted on the bottom of a laboratory version of the vims Sea Carousel. The experimental results confirm the relationship between the spatial-average bed shear stress, τ (Pascal), and the ring rotation speed, Ω (rpm), from a previous numerical study: τ = 0.0114 Ω 1.69 . The measurements show a maximum of 15% difference with that given by the equation. We also found the side wall effects extend outward less than 2.5 cm for all ring speeds and the bed shear stress distributions are reasonably uniform.
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