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), 389-402.
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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
|Subjects:||G Geography. Anthropology. Recreation > G Geography (General)|
|Divisions:||University Structure - Pre August 2011 > School of Geography > Environmental Processes and Change
|Date Deposited:||09 Mar 2005|
|Last Modified:||27 Mar 2014 18:05|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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