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Title: Hydrodynamics of the oscillating wave surge converter in the open ocean
Authors: Renzi, Emiliano
Dias, F.
Keywords: Wave energy
Wave-structure interaction
Oscillating wave surge converters
Issue Date: 2013
Publisher: © Elsevier Masson SAS
Citation: RENZI, E. and DIAS, F., 2013. Hydrodynamics of the oscillating wave surge converter in the open ocean. European Journal of Mechanics-B/Fluids, 41, pp. 1 - 10.
Abstract: A potential flow model is derived for a large flap-type oscillating wave energy converter in the open ocean. Application of Green’s integral theorem in the fluid domain yields a hypersingular integral equation for the jump in potential across the flap. The solution is found via a series expansion in terms of the Chebyshev polynomials of the second kind and even order. Several relationships are then derived between the hydrodynamic parameters of the system. Comparison is made between the behaviour of the converter in the open ocean and in a channel. The degree of accuracy of wave tank experiments aiming at reproducing the performance of the device in the open ocean is quantified. A parametric analysis of the system is then undertaken. In particular, it is shown that increasing the flap width has the beneficial effect of broadening the bandwidth of the capture factor curve. This phenomenon can be exploited in random seas to achieve high levels of efficiency.
Description: NOTICE: this is the author’s version of a work that was accepted for publication in European Journal of Mechanics-B/Fluids. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in European Journal of Mechanics-B/Fluids, vol 41, September-October 2013, DOI: 10.1016/j.euromechflu.2013.01.007
Sponsor: This study was funded by Science Foundation Ireland (SFI) under the research project “High-end computational modelling for wave energy systems”.
Version: Accepted for publication
DOI: 10.1016/j.euromechflu.2013.01.007
URI: https://dspace.lboro.ac.uk/2134/17131
Publisher Link: http://dx.doi.org/10.1016/j.euromechflu.2013.01.007
ISSN: 0997-7546
Appears in Collections:Published Articles (Maths)

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