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143863 - Towards a tidal farm in banks strait, Tasmania.pdf (5.12 MB)

Towards a tidal farm in Banks Strait, Tasmania: Influence of tidal array on hydrodynamics

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posted on 2023-05-20, 22:39 authored by Auguste, C, Philip MarshPhilip Marsh, Jean-Roch NaderJean-Roch Nader, Remo Cossu, Irene PenesisIrene Penesis
The development of tidal energy in Australia is still a challenge with few studies performed on the characterisation of the resource, due to the difficulty to acquire data and uncertainties about the influence of this anthropogenic activity on the marine environment. Changes in flow could lead to alterations in sediment transport and have further influence on the marine habitat. A case study in a promising area, Banks Strait (Australia), was created using high resolution 2D and 3D models validated against in situ data to investigate changes to hydrodynamic conditions with two scenarios of tidal farms (100 and 300 turbines). Comparison between 2D and 3D is performed to find the best compromise between model accuracy and computational time for preliminary assessment. Changes to current speed and bed shear stress over a 35 day period were found to be localised around the tidal farms and did not extent more than 7 km from the farm (300 turbines) for both 2D and 3D. The results showed that for near field and far field, 2D models are sufficient to give a first approximation of the hydrodynamic influence of tidal farm deployment on its environment.

Funding

Institute of Marine Engineering, Science & Technology

History

Publication title

Energies

Volume

13

Issue

20

Article number

5326

Number

5326

Pagination

1-22

ISSN

1996-1073

Department/School

Australian Maritime College

Publisher

MDPI

Place of publication

Switzerland

Rights statement

Copyright 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

Repository Status

  • Open

Socio-economic Objectives

Tidal energy

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