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Experimental analysis of the local flow effects around single row tidal turbine arrays

Daly, T., Myers, L.E. and Bahaj, A.S. (2010) Experimental analysis of the local flow effects around single row tidal turbine arrays At Third International Conference and Exhibition on Ocean Energy, Spain. 06 - 08 Oct 2010.

Record type: Conference or Workshop Item (Paper)

Abstract

Within the next decade it is likely that largescale energy extraction of tidal energy at specific sites will be undertaken. Arrays of multiple devices will be installed in order to generate meaningful quantities of power to the electrical grid. Much research has now begun to focus on understanding of the effects tidal turbines have on the surrounding flow environment. This will ensure that tidal farms can be strategically positioned to achieve the maximum possible power output in any given tidal site. The objective of the analysis presented in this paper is to investigate the flow acceleration effects which occur in a tidal channel as the position of a tidal array is altered relative to the side channel boundary. Experiments involving porous actuator fences in a circulating water channel are described, and the data from these experiments is used to illustrate how the flow regime can change as a tidal array moves closer to a solid boundary. Results indicate that considerable flow acceleration can occur in certain circumstances which for full-scale arrays could affect sediment transport and marine flora and fauna. Thus arrays must be carefully located to minimise any negative impacts on the surrounding environment. This work is ongoing and aspires to shape the development of larger arrays in the medium to long term

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More information

Published date: October 2010
Venue - Dates: Third International Conference and Exhibition on Ocean Energy, Spain, 2010-10-06 - 2010-10-08
Organisations: Energy & Climate Change Group

Identifiers

Local EPrints ID: 333946
URI: http://eprints.soton.ac.uk/id/eprint/333946
PURE UUID: 196a8d1d-4741-4f8f-8a9d-4f02e43f79c3
ORCID for L.E. Myers: ORCID iD orcid.org/0000-0002-4724-899X
ORCID for A.S. Bahaj: ORCID iD orcid.org/0000-0002-0043-6045

Catalogue record

Date deposited: 08 Mar 2012 11:38
Last modified: 18 Jul 2017 06:12

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Contributors

Author: T. Daly
Author: L.E. Myers ORCID iD
Author: A.S. Bahaj ORCID iD

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