The 'C-Plane' is a submerged variable depth ocean current turbine that is tethered to the sea floor and uses sustained ocean currents to produce electricity. As part of the development of a frac(1, 30)th scale physical model of the C-Plane, a mathematical model and dynamics simulation of the prototype was developed and is presented in this paper. This three-dimensional mathematical model represents the C-Plane as a rigid body with moveable control surfaces that is moored with three linear elastic cable elements. Gravitational, buoyancy, hydrodynamic, cable, gyroscopic, and inertial forces are included and a PC-based dynamics simulation is created. The simulation demonstrates that the C-Plane is stable and capable of changing depth in all expected operating conditions. The C-Plane prototype can fly level from a height of 3 to 6 m using the configuration suggested in this paper. The maximum ascent rates of the C-Plane with a water speed of 0.3 m/s are 0.015 m/s when the pitch is fixed at 0 degree and 0.030 m/s when the pitch is fixed at 4 degree. The maximum descent rates of the C-Plane are 0.018 m/s when the pitch is held at 0 degree and 0.031 m/s if the pitch is held at -4 degree.


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    Title :

    Design of a prototype ocean current turbine-Part I: mathematical modeling and dynamics simulation


    Additional title:

    Entwurf des Prototyps einer Meeresströmungsturbine - Teil I: mathematishe Modellierung und Simulation der Dynamik


    Contributors:
    VanZwieten, J. (author) / Driscoll, F.R. (author) / Leonessa, A. (author) / Deane, G. (author)

    Published in:

    Ocean Engineering ; 33 , 11-12 ; 1485-1521


    Publication date :

    2006


    Size :

    37 Seiten, 39 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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