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    Numerical Simulation of a marine current turbine in free surface flow 
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    Numerical Simulation of a marine current turbine in free surface flow

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    Published version
    Embargoed until: 5555-01-01
    Reason: VoR
    Editors
    Sayigh, AAM
    Volume
    63
    Pagination
    715 - 723 (8)
    Publisher
    Elsevier/Science Direct
    Publisher URL
    http://www.sciencedirect.com/science/article/pii/s0960148113005211
    DOI
    10.1016/j.renene.2013.09.042
    Journal
    Renewable Energy
    ISSN
    0960-1481
    Metadata
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    Abstract
    The numerical prediction of the power performance of a marine current turbine under a free surface is difficult to pursue due to its complex geometry, fluid-structure interactions and ever-changing free surface interface. In this paper, an immersed boundary method is used to couple the simulation of turbulent fluid flow with solid using a three-dimensional finite volume solver. Two free surface methods are proposed and tested for different conditions. The methods are then validated respectively by various studies and a coupled simulation was proposed for a marine current turbine operating under free surface waves. The power coefficients of a horizontal axis marine current turbine (MCT) with different rotating speeds are calculated and compared against the experimental data. It is found that the method is in general agreement with published results and provides a promising potential for more extensive study on MCT and other applications.
    Authors
    Bai, X; AVITAL, E; Munjiza, A; Williams, JJR
    URI
    http://qmro.qmul.ac.uk/xmlui/handle/123456789/7505
    Collections
    • School of Engineering and Materials Science [2632]
    Language
    English
    Copyright statements
    Copyright © 2013 Elsevier Ltd.
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