Database of full-scale laboratory experiments on wave-driven sand transport processes |
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| Authors: | Jebbe J van der Werf Jolanthe JLM Schretlen Jan S Ribberink Tom O'Donoghue |
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| Institution: | 1. Water Engineering & Management, University of Twente, P.O. Box 217, 7500 AE, Enschede, the Netherlands;2. Morphology & Sedimentary Systems, Deltares, P.O. Box 177, 2600 MH Delft, the Netherlands;3. University of Aberdeen, School of Engineering, King''s College, Aberdeen, AB24 3UE, Scotland |
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| Abstract: | A new database of laboratory experiments involving sand transport processes over horizontal, mobile sand beds under full-scale non-breaking wave and non-breaking wave-plus-current conditions is described. The database contains details of the flow and bed conditions, information on which quantities were measured and the value of the measured net sand transport rate for 298 experiments conducted in 7 large-scale laboratory facilities. Analysis of the coverage of the experiments and the measured net sand transport rates identified the following gaps in the range of test conditions and/or the type of measurements: (i) graded sand experiments, (ii) wave-plus-current experiments and (iii) intra-wave velocity and concentration measurements in the ripple regime. Furthermore, it highlights two areas requiring further research: (i) the differences in sand transport processes and sand transport rates between real waves and tunnel flows with nominally similar near-bed oscillatory flow conditions and (ii) the effects of acceleration skewness on transport rates. The database is a useful resource for the development and validation of sand transport models for coastal applications. |
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| Keywords: | Database Full-scale laboratory experiments Oscillatory flow Sand transport Non-breaking waves Currents |
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