Optimization of a small-scale tidal range schemes in UK

Lam, M.Y., Guo, B. and Ahmadian, R. ORCID: https://orcid.org/0000-0003-2665-4734 2023. Optimization of a small-scale tidal range schemes in UK. Presented at: 40th IAHR World Congress, 21-25 August 2023. Proceedings of the 40th IAHR World Congress. , vol.40 International Association for Hydro-Environment Engineering and Research, 10.3850/978-90-833476-1-5_iahr40wc-p1626-cd

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Abstract

Flexible and inflexible design and operation optimization of a small-scale Aberthaw TRS was conducted with a 0D-model and Genetic Algorithm. The optimal number of turbines were sought. Under flexible operation, no optimal number of turbines was identified. Increasing the number of turbines in flexible operation maximized the utilization of the available tidal energy. Once a sufficiently large number of turbines were employed, adding more turbines gave only marginal improvement on energy output since most of the tidal energy was utilized. Under inflexible operation, an optimal number of turbines that gave maximum energy output was identified. The existence of this optimal condition was shown to be a trade-off between power generation efficiency in spring tides and neap tides, which is only present in inflexible operation because inflexible operation forces constant starting and ending heads for both spring and neap tides. In flexible operation, different starting and ending heads are used in spring and neap tides and such a trade-off and the associated optimal number of turbine does not exist.

Item Type:	Conference or Workshop Item (Paper)
Status:	Published
Schools:	Engineering
Publisher:	International Association for Hydro-Environment Engineering and Research
ISBN:	978-90-833476-1-5
Last Modified:	10 Apr 2024 15:30
URI:	https://orca.cardiff.ac.uk/id/eprint/167722

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