This paper extends ideas presented to the World Renewable Energy Conference. One idea involves the impedance of flow channels and its relevance to the maximum tidal-stream resource. Estimates of the inertial and damping terms of the impedance of the Pentland Firth suggest a much higher resource size than studies based purely on the kinetic flux, because adding extra turbines will have less effect on flow velocities than in a low impedance channel. This very large resource has pushed the design of the turbine towards the stream velocities, depth, and seabed geology of this site. A second idea is an algorithm to control the pitch of close-packed vertical-axis generators to give an evenly distributed head. Finally, there are suggestions for a seabed attachment aimed specifically for conditions in the Pentland Firth and intended to allow rapid installation of a self-propelled tidal-stream generator.


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    Titel :

    Vertical-axis tidal-current generators and the Pentland Firth


    Weitere Titelangaben:

    Vertikale Gezeitenströmungsgeneratoren und der Pentland Firth


    Beteiligte:
    Salter, S.H. (Autor:in) / Taylor, J.R.M. (Autor:in)


    Erscheinungsdatum :

    2007


    Format / Umfang :

    19 Seiten, 20 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch





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