TURBULENT ENERGY BUDGET OF WAVE INTERACTIONS WITH A RECTANGULAR BARGE

Abstract eng:
This study presents an experimental study on wave interactions with a rectangular barge in a beam sea condition. Regular waves with a wave period the same as the natural frequency of the barge were used in the experiments due to the fact that the barge is prone to capsize under such waves. The barge was fixed on the free surface and no wave overtopping was assumed. Particle Image Velocimetry (PIV) was employed to measure the full-field two-dimensional flow velocity. The phase-averaging method was used to extract the mean flow and turbulence properties. The mean velocity and vorticity and turbulent property were analyzed to quantify the mechanism of the interactions. The advection, transport, production, and dissipation terms in the transport equation for turbulent kinetic energy budget were obtained from the experiments.

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