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Computational fluid dynamics modelling of flow and energy fluxes for a natural fluvial deadzone

Hankin, B.G., Beven, M.J., Holland, M.J. and Carling, P.A. (2002) Computational fluid dynamics modelling of flow and energy fluxes for a natural fluvial deadzone Journal of Hydraulic Research, 40, (4), pp. 389-402.

Record type: Article

Abstract

This study links together information that characterizes the energy and momentum fluxes across the shear zone between the main flow and a dead zone in the UK on the River Severn [1-3 ].The depth-averaged flow in and around the dead zone is modelled using TELEMAC-2D,with semi-distributed eddy viscosity and bed roughness, and compares well with some distributed field measurements within the reach. The resulting velocity field is then used to provide momentum fluxes for a finite difference model incorporating finite volumes (FDFV model) numerical scheme that has been developed to solve depth averaged advection-diffusion of thermal energy in a body fitted co-ordinate system. Assuming that buoyancy forces can be neglected, the gross hydraulics of the system explains much of the temperature distribution that was observed using infra-red aerial imagery

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Published date: 2002

Identifiers

Local EPrints ID: 14896
URI: http://eprints.soton.ac.uk/id/eprint/14896
ISSN: 0022-1686
PURE UUID: c69d64a3-ae3a-412b-997d-7a83c0cd1e7c

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Date deposited: 09 Mar 2005
Last modified: 17 Jul 2017 16:52

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Contributors

Author: B.G. Hankin
Author: M.J. Beven
Author: M.J. Holland
Author: P.A. Carling

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