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Author(s): Patrik Andreasson
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Abstract: A detailed analysis of energy conversions and fluxes in wind-induced countercurrent flow is provided. At the free surface mechanical energy is supplied to the waterbody by the wind. Via stages of pressure-volume work and kinetic energy (divided into a mean and a fluctuating part), the energy will ultimately leave the flow as a surface heat flux. The analysis is based on mathematical modelling, supported by order-of-magnitude estimates and comparisons with reported experimental studies. A Reynolds-stress model, extended into the viscous sublayers, was required to predict adequately the mean velocity and turbulence structure of countercurrent flow.
DOI: https://doi.org/10.1080/00221689209498909
Year: 1992