Velocity defect law in the wave bottom boundary layer

Abreu, Tiago, Michallet, H., Silva, P. A., Sancho, F. and Nielsen, P. (2010). Velocity defect law in the wave bottom boundary layer. In: Jane McKee Smith and Patrick Lynett, Proceedings of the 32nd International Conference on Coastal Engineering 2010. 32nd International Conference on Coastal Engineering, ICCE 2010, Shanghai, (). 30 June-5 July 2010. doi:10.9753/icce.v32.posters.30

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Author Abreu, Tiago
Michallet, H.
Silva, P. A.
Sancho, F.
Nielsen, P.
Title of paper Velocity defect law in the wave bottom boundary layer
Conference name 32nd International Conference on Coastal Engineering, ICCE 2010
Conference location Shanghai
Conference dates 30 June-5 July 2010
Proceedings title Proceedings of the 32nd International Conference on Coastal Engineering 2010
Journal name Proceedings of the Coastal Engineering Conference
Place of Publication Reston, VA United States
Publisher American Society of Civil Engineers
Publication Year 2010
Year available 2010
Sub-type Poster
DOI 10.9753/icce.v32.posters.30
Open Access Status File (Publisher version)
ISBN 9780989661102
ISSN 0161-3782
2156-1028
Editor Jane McKee Smith
Patrick Lynett
Total pages 1
Collection year 2011
Language eng
Formatted Abstract/Summary
This work presents a simple method based on the defect law (Nielsen,1992) to reproduce the velocity vertical profile within the wave bottom boundary layer. The model results agree fairly well with the ADVP measurements and show that the defect law reproduces typical features of the oscillatory boundary layer: the velocity magnitude first increases with distance from the bed, with an overshoot at approximately 3 cm above the bed. There is a phase shift in the velocity that is maximum at about 1cm above the bed. Processing of the bed shear stress as well as velocities estimates within the sheet flow layer is under progress. (e.g. Ruessink et al., submitted)
Subjects 2205 Civil and Structural Engineering
2212 Ocean Engineering
1910 Oceanography
Keyword Boundary layer
Experiment
Vertical profile
Q-Index Code EX
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Conference Paper
Collection: School of Civil Engineering Publications
 
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