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Flow patterning associated with three-dimensional obstacles: a proxy for scour

Flow patterning associated with three-dimensional obstacles: a proxy for scour
Flow patterning associated with three-dimensional obstacles: a proxy for scour
Understanding the patterning of near bed flow around an obstacle is the first step towards understanding the processes that control the depth and extent of any resulting scour. Both newly collected and previously published data are used to describe flow patterning around a wide variety of 3D obstacles in unidirectional flow. The extent, location and asymmetry of wake features are shown to vary considerably with obstacle size, shape and orientation. The along flow extent of affected flow regions is also shown to scale with the Reynolds number, up to a critical value (Re?10^4), with implications when modelling flow interaction and hence scour at small scales in the laboratory.
162-170
CURNET
Lambkin, D.O.
68a3b16f-2aa1-463c-9f8a-3d942a59dfa7
Dix, J.
efbb0b6e-7dfd-47e1-ae96-92412bd45628
Turnock, S.R.
d6442f5c-d9af-4fdb-8406-7c79a92b26ce
Lambkin, D.O.
68a3b16f-2aa1-463c-9f8a-3d942a59dfa7
Dix, J.
efbb0b6e-7dfd-47e1-ae96-92412bd45628
Turnock, S.R.
d6442f5c-d9af-4fdb-8406-7c79a92b26ce

Lambkin, D.O., Dix, J. and Turnock, S.R. (2006) Flow patterning associated with three-dimensional obstacles: a proxy for scour. In Proceedings of the Third International Conference on Scour and Erosion. CURNET. pp. 162-170 .

Record type: Conference or Workshop Item (Paper)

Abstract

Understanding the patterning of near bed flow around an obstacle is the first step towards understanding the processes that control the depth and extent of any resulting scour. Both newly collected and previously published data are used to describe flow patterning around a wide variety of 3D obstacles in unidirectional flow. The extent, location and asymmetry of wake features are shown to vary considerably with obstacle size, shape and orientation. The along flow extent of affected flow regions is also shown to scale with the Reynolds number, up to a critical value (Re?10^4), with implications when modelling flow interaction and hence scour at small scales in the laboratory.

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More information

Published date: November 2006
Venue - Dates: Proceedings of the Third International Conference on Scour and Erosion, Amsterdam, Holland, 2006-11-01 - 2006-11-03
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 42997
URI: http://eprints.soton.ac.uk/id/eprint/42997
PURE UUID: f9320d78-e3a5-4e8a-93e8-8226656f8803
ORCID for S.R. Turnock: ORCID iD orcid.org/0000-0001-6288-0400

Catalogue record

Date deposited: 24 Jan 2007
Last modified: 12 Dec 2021 02:38

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Contributors

Author: D.O. Lambkin
Author: J. Dix
Author: S.R. Turnock ORCID iD

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