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Payne GS, Pascal R, Vaillant G. On the concept of sloped motion for free-floating wave energy converters. Proc Math Phys Eng Sci. 2015;471(2182):20150238doi: 10.1098/rspa.2015.0238.
Payne, G. S., Pascal, R., & Vaillant, G. (2015). On the concept of sloped motion for free-floating wave energy converters. Proceedings. Mathematical, physical, and engineering sciences, 471(2182), 20150238. https://doi.org/10.1098/rspa.2015.0238
Payne, Grégory S, et al. "On the concept of sloped motion for free-floating wave energy converters." Proceedings. Mathematical, physical, and engineering sciences vol. 471,2182 (2015): 20150238. doi: https://doi.org/10.1098/rspa.2015.0238
Payne GS, Pascal R, Vaillant G. On the concept of sloped motion for free-floating wave energy converters. Proc Math Phys Eng Sci. 2015 Oct 08;471(2182):20150238. doi: 10.1098/rspa.2015.0238. PMID: 26543397; PMCID: PMC4633885.
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Proc Math Phys Eng Sci. 2015 Oct 08;471(2182):20150238. doi: 10.1098/rspa.2015.0238.

On the concept of sloped motion for free-floating wave energy converters.

Proceedings. Mathematical, physical, and engineering sciences

Grégory S Payne, Rémy Pascal, Guillaume Vaillant

Affiliations

  1. Institute for Energy Systems , University of Edinburgh , Edinburgh EH9 3FB, UK.
  2. Abengoa Seapower , ETTC, Alrick Building, The King's Buildings , Edinburgh EH9 3JL, UK.
  3. Institut Jean Le Rond d'Alembert , Université Pierre et Marie Curie , Place Jussieu, Paris, France.

PMID: 26543397 PMCID: PMC4633885 DOI: 10.1098/rspa.2015.0238

Abstract

A free-floating wave energy converter (WEC) concept whose power take-off (PTO) system reacts against water inertia is investigated herein. The main focus is the impact of inclining the PTO direction on the system performance. The study is based on a numerical model whose formulation is first derived in detail. Hydrodynamics coefficients are obtained using the linear boundary element method package WAMIT. Verification of the model is provided prior to its use for a PTO parametric study and a multi-objective optimization based on a multi-linear regression method. It is found that inclining the direction of the PTO at around 50° to the vertical is highly beneficial for the WEC performance in that it provides a high capture width ratio over a broad region of the wave period range.

Keywords: WAMIT; boundary element method; optimization; wave energy

References

  1. Philos Trans A Math Phys Eng Sci. 2012 Jan 28;370(1959):235-45 - PubMed
  2. Philos Trans A Math Phys Eng Sci. 2012 Jan 28;370(1959):345-64 - PubMed
  3. Philos Trans A Math Phys Eng Sci. 2012 Jan 28;370(1959):365-80 - PubMed

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