Boundary layer flow and sand transport under full scale surface waves

Jolanthe J.L.M Schretlen, Jan S. Ribberink, Tom O'Donoghue

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Abstract

Existing models for wave-related (cross-shore) sand transport are primarily based on data from oscillatory flow tunnel experiments. However, theory and former experiments indicate that flow differences between full scale surface waves and oscillatory flow tunnels may have a substantial effect on the net sand transport. In this paper, high resolution measurements of boundary layer flow characteristics, sheet-flow layer sediment concentrations and net sand transport rates under full scale surface waves are presented. These experiments were performed in a large wave flume (GWK) for different wave conditions with medium (D50 = 0.25 mm) and fine (D50 = 0.14 mm) sand. It is shown that, especially under sheet-flow conditions, small wave induced net currents are of large importance for the total sand transport rates under these conditions.
Original languageEnglish
Title of host publicationProceedings of 32nd International Conference on Coastal Engineering (ICCE)
Subtitle of host publication30 June - 5 July 2010, Shanghai
EditorsJane McKee Smith, Patrick Lynett
PublisherCoastal Engineering Research Council
Pages1-14
ISBN (Print)978-0-9896611-0-2
DOIs
Publication statusPublished - 30 Jun 2011
Event32nd International Conference on Coastal Engineering, ICCE 2010 - Shanghai, China
Duration: 30 Jun 20105 Jul 2010
Conference number: 32

Publication series

NameCoastal Engineering Proceedings
PublisherCoastal Engineering Research Council
ISSN (Print)2156-1028

Conference

Conference32nd International Conference on Coastal Engineering, ICCE 2010
Abbreviated titleICCE
CountryChina
CityShanghai
Period30/06/105/07/10

Keywords

  • METIS-270167

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