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EnglishThe present paper presents the first experimental results of covariance distribution of horizontal and vertical velocities of a regular wave field. The analysis of the wave-induced currents, shear stresses, sediment transport, etc. depends on the correlation between the velocity components. Particularly, the undertow is driven by the local difference between radiation stress and the set-up pressure gradient which only balance each other in average over the depth. Turbulent shear stresses are required to maintain a steady condition. Some authors propose models on turbulence shear stresses, but measurement results which may confirm their validity are rare. This paper reports of a preliminary study aimed at comparing experimental measurements with model results.
| Autori: | ||
| Titolo: | On the Covariance of the Velocity Components in a Wave Field | |
| Data di pubblicazione: | 1997 | |
| Nome del convegno: | 27th Congress of the International Association for Hydraulic Research | |
| ISBN: | 0-7844-0272-8 | |
| Appare nelle tipologie: | 4.1 Contributo in Atti di convegno |
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