Tidal Resource in Strait between Island and Landmass

Alistair Borthwick, Alberto Pérez-Ortiz, Helen Smith, Paul Vigars, Qing Xiao

Research output: Contribution to conferencePaperpeer-review

Abstract / Description of output

Worldwide, many coastal sites with the potential for tidal power generation fall into the category of a strait between an island and a landmass. This paper characterizes the resource at an idealised strait and assesses the influence of the presence of the landmass on the extracted power from the strait. The results show that the island geometry and associated flow dynamics can alter estimates based on ideal flows. The presence of the island has a major influence on the tidal resource, with the landmass having a positive effect on the rate of maximum extracted power from the strait. The results confirm that the maximum power extracted is not directly related to the power naturally dissipated by bottom friction or the undisturbed kinetic flux in the strait.
Original languageEnglish
Number of pages10
Publication statusUnpublished - 2015
EventEWTEC 2015 - Nantes, France
Duration: 6 Sept 201511 Sept 2015


ConferenceEWTEC 2015

Keywords / Materials (for Non-textual outputs)

  • Tidal power, resource assessment, shallow water equations, island, landmass


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