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Flow fields in reflected waves at a sloped sea wall

Flow fields in reflected waves at a sloped sea wall
Flow fields in reflected waves at a sloped sea wall
Wave run-up, and flow visualization experiments were conducted with a 1:2 sloped sea wall model. The visualization experiments gave an overview of flow fields in reflected, non-breaking conditions. Maximum particle velocities were found to be significantly smaller than suggested in the literature. Downrush produced a fast sheet flow, extending down to the toe of the sea wall. This created a ‘reverse’ breaker during the retreat of the initially non-breaking wave, which explains the high energy dissipation rates for non-breaking waves reported in the literature. Embankments may therefore be exposed to wave impact pressures in areas up to 1.18 H0 below MWL
sloped sea wall, run-up, downrush, non-breaking waves, energy dissipation
0029-8018
1786-89
Müller, Gerald
406ed3f7-d0ad-4200-9170-f68ae9a2c58c
Müller, Gerald
406ed3f7-d0ad-4200-9170-f68ae9a2c58c

Müller, Gerald (2007) Flow fields in reflected waves at a sloped sea wall. Ocean Engineering, 34 (11-12), 1786-89. (doi:10.1016/j.oceaneng.2006.10.015).

Record type: Article

Abstract

Wave run-up, and flow visualization experiments were conducted with a 1:2 sloped sea wall model. The visualization experiments gave an overview of flow fields in reflected, non-breaking conditions. Maximum particle velocities were found to be significantly smaller than suggested in the literature. Downrush produced a fast sheet flow, extending down to the toe of the sea wall. This created a ‘reverse’ breaker during the retreat of the initially non-breaking wave, which explains the high energy dissipation rates for non-breaking waves reported in the literature. Embankments may therefore be exposed to wave impact pressures in areas up to 1.18 H0 below MWL

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More information

Published date: August 2007
Keywords: sloped sea wall, run-up, downrush, non-breaking waves, energy dissipation

Identifiers

Local EPrints ID: 53220
URI: http://eprints.soton.ac.uk/id/eprint/53220
DOI: doi:10.1016/j.oceaneng.2006.10.015
ISSN: 0029-8018
PURE UUID: 8fcc7ec9-1b2e-400b-b732-5f27840c23e7

Catalogue record

Date deposited: 22 Jul 2008
Last modified: 15 Mar 2024 10:40

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Author: Gerald Müller

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