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This paper presents a relatively novel concept that may help reduce the capital cost by using an arrangement of ‘shared mooring lines’. This arrangement is able to significantly reduce the number of anchors used in a windfarm, compared to the current common industry practice of using 3 mooring lines to moor each individual turbine, by connecting some of the turbines to their neighbours, rather than the seabed. Furthermore, this study aims to address a scenario in which shared mooring lines are expected to be more favourable, i.e. deep water (1000 m) and large (10 MW) turbines.
This numerical study provides some insights to a cost-saving mooring concept for a FOWT wind farm, by investigating loads in mooring lines and anchors, as well as relative displacement of the FOWTs in the windfarm. The cost saving is roughly estimated in terms of number of anchors and length of mooring line saved — serving as preliminary guidance for shared mooring line arrangements to be applied on larger windfarms or other geometric layouts (e.g. staggered rectangular array or hexagonally shared mooring connection).
|Title of host publication||ASME 2022 41st International Conference on Ocean, Offshore and Arctic Engineering|
|Place of Publication||USA|
|Number of pages||11|
|Publication status||Published - 2022|
|Event||41st International Conference on Ocean, Offshore and Arctic Engineering - Congress Center Hamburg, Hamburg, Germany|
Duration: 5 Jun 2022 → 11 Jun 2022
|Conference||41st International Conference on Ocean, Offshore and Arctic Engineering|
|Abbreviated title||OMAE 2022|
|Period||5/06/22 → 11/06/22|
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Watson, P., Cassidy, M., Efthymiou, M., Ivey, G., Jones, N., Cheng, L., Draper, S., Zhao, M., Randolph, M., Gaudin, C., O'Loughlin, C., Hodkiewicz, M., Cripps, E., Zhao, W., Wolgamot, H., White, D., Doherty, J., Taylor, P., Stanier, S. & Gourvenec, S.
1/01/14 → 30/12/21