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Representation and operation of tidal energy impoundments in a coastal hydrodynamic model

Angeloudis, Athanasios, Falconer, Roger Alexander, Bray, Samuel and Ahmadian, Reza 2016. Representation and operation of tidal energy impoundments in a coastal hydrodynamic model. Renewable Energy 10.1016/j.renene.2016.08.004

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Abstract

A methodology associated with the simulation of tidal range projects through a coastal hydrodynamic model is discussed regarding its capabilities and limitations. Particular focus is directed towards the formulations imposed for the representation of hydraulic structures and the corresponding model boundary conditions. Details of refinements are presented that would be applicable in representing the flow (and momentum flux) expected through tidal range turbines to inform the regional modelling of tidal lagoons and barrages. A conceptual tidal lagoon along the North Wales coast, a barrage across the Severn Estuary and the Swansea Bay Lagoon proposal are used to demonstrate the effect of the refinements for projects of a different scale. The hydrodynamic model results indicate that boundary refinements, particularly in the form of accurate momentum conservation, have a noticeable influence on near-field conditions and can be critical when assessing the environmental impact arising from the schemes. Finally, it is shown that these models can be used to guide and improve tidal impoundment proposals.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TC Hydraulic engineering. Ocean engineering
Additional Information: Numerical modelling; Renewable tidal energy; Severn barrage; Swansea Bay Lagoon; Tidal range power
Publisher: Elsevier
ISSN: 0960-1481
Date of First Compliant Deposit: 11 August 2016
Date of Acceptance: 3 August 2016
Last Modified: 19 Oct 2019 19:36
URI: http://orca-mwe.cf.ac.uk/id/eprint/93742

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