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Experimental investigation of the effects of the presence and operation of tidal turbine arrays in a split tidal channel

Experimental investigation of the effects of the presence and operation of tidal turbine arrays in a split tidal channel
Experimental investigation of the effects of the presence and operation of tidal turbine arrays in a split tidal channel
The installation of arrays and farms is the next major step in the development of tidal energy converters. Many tidal farms are currently in the process of development. A number of studies have also identified potentially lucrative sites for future farm and array development elsewhere. In some of these sites, the flow velocities can at least in part be attributed to the presence of constraining landmasses and the resultant splitting of channels into two or more sub channels. Given the cubic relationship between flow velocity and kinetic energy flux, even modest acceleration in these areas can cause a considerable increase the potential power available. The analysis in this paper investigates flow acceleration effects in a split tidal channel due to the presence of tidal turbine arrays. As well as their presence, the effect of changing lateral and longitudinal position of the array and number of turbines in the array was also examined. Results show that flow acceleration of up to 14% can occur in an empty channel due to the presence of tidal arrays. This could potentially have major implications for tidal farm design in areas where channels branch into multiple sub channels
2262-2269
Linköping University
Daly, T.
5abbadfe-86ea-4a2f-adbb-e8313f96ae67
Myers, L.E.
b0462700-3740-4f03-a336-dc5dd1969228
Bahaj, A.S.
a64074cc-2b6e-43df-adac-a8437e7f1b37
Daly, T.
5abbadfe-86ea-4a2f-adbb-e8313f96ae67
Myers, L.E.
b0462700-3740-4f03-a336-dc5dd1969228
Bahaj, A.S.
a64074cc-2b6e-43df-adac-a8437e7f1b37

Daly, T., Myers, L.E. and Bahaj, A.S. (2011) Experimental investigation of the effects of the presence and operation of tidal turbine arrays in a split tidal channel. In Proceedings of the World Renewable Energy Congress. Linköping University. pp. 2262-2269 .

Record type: Conference or Workshop Item (Paper)

Abstract

The installation of arrays and farms is the next major step in the development of tidal energy converters. Many tidal farms are currently in the process of development. A number of studies have also identified potentially lucrative sites for future farm and array development elsewhere. In some of these sites, the flow velocities can at least in part be attributed to the presence of constraining landmasses and the resultant splitting of channels into two or more sub channels. Given the cubic relationship between flow velocity and kinetic energy flux, even modest acceleration in these areas can cause a considerable increase the potential power available. The analysis in this paper investigates flow acceleration effects in a split tidal channel due to the presence of tidal turbine arrays. As well as their presence, the effect of changing lateral and longitudinal position of the array and number of turbines in the array was also examined. Results show that flow acceleration of up to 14% can occur in an empty channel due to the presence of tidal arrays. This could potentially have major implications for tidal farm design in areas where channels branch into multiple sub channels

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Published date: 2011
Venue - Dates: Proceedings of the World Renewable Energy Congress, Linköping, Sweden, 2011-05-07 - 2011-05-12
Organisations: Faculty of Engineering and the Environment

Identifiers

Local EPrints ID: 333806
URI: http://eprints.soton.ac.uk/id/eprint/333806
PURE UUID: 54c3f1e9-698d-43d2-b12f-bd92276a7aad
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 10:09
Last modified: 01 Oct 2020 01:34

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