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Measurements of particle velocities in laboratory scale random waves

Measurements of particle velocities in laboratory scale random waves
Measurements of particle velocities in laboratory scale random waves
The paper describes measurements of water particle velocities in laboratory-scale irregular, non-periodic surface waves. The measurements were taken over a range of elevations using Laser Doppler anemometry and included observations of particle kinematics at two points separated in plan. The observed statistical and spectral properties were compared with those predicted by both traditional and intermittent linear random wave theory. For elevations which are always submerged, the measured properties were in good agreement with both theoretical approaches. This was not the case for points near mean water level, where the observed properties were approximated more closely by the intermittent approach. However, some departure between observations and the intermittent approach was evident for elevations above mean water level.

0378-3839
233-254
Anastasiou, K.
510d13a8-32a2-468b-b62e-b8657f128968
Tickell, R.G.
c2bc13e9-2638-4e26-9e39-d18117fa9e33
Chaplin, J.R.
d5ed2ba9-df16-4a19-ab9d-32da7883309f
Anastasiou, K.
510d13a8-32a2-468b-b62e-b8657f128968
Tickell, R.G.
c2bc13e9-2638-4e26-9e39-d18117fa9e33
Chaplin, J.R.
d5ed2ba9-df16-4a19-ab9d-32da7883309f

Anastasiou, K., Tickell, R.G. and Chaplin, J.R. (1982) Measurements of particle velocities in laboratory scale random waves. Coastal Engineering, 6 (3), 233-254. (doi:10.1016/0378-3839(82)90021-7).

Record type: Article

Abstract

The paper describes measurements of water particle velocities in laboratory-scale irregular, non-periodic surface waves. The measurements were taken over a range of elevations using Laser Doppler anemometry and included observations of particle kinematics at two points separated in plan. The observed statistical and spectral properties were compared with those predicted by both traditional and intermittent linear random wave theory. For elevations which are always submerged, the measured properties were in good agreement with both theoretical approaches. This was not the case for points near mean water level, where the observed properties were approximated more closely by the intermittent approach. However, some departure between observations and the intermittent approach was evident for elevations above mean water level.

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More information

Published date: August 1982

Identifiers

Local EPrints ID: 75190
URI: http://eprints.soton.ac.uk/id/eprint/75190
ISSN: 0378-3839
PURE UUID: de62fb90-d3b3-4064-9253-6050888d810f
ORCID for J.R. Chaplin: ORCID iD orcid.org/0000-0003-2814-747X

Catalogue record

Date deposited: 11 Mar 2010
Last modified: 14 Mar 2024 02:44

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Contributors

Author: K. Anastasiou
Author: R.G. Tickell
Author: J.R. Chaplin ORCID iD

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