Experimental Validation of a Wave Energy Converter Array Hydrodynamics Tool

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Abstract

This paper uses experimental data to validate a wave energy converter (WEC) array hydrodynamics tool developed within the context of linearized potential flow theory. To this end, wave forces and power absorption by an array of five-point absorber WECs in monochromatic and panchromatic waves were measured from a set of deep-water wave basin experimental tests. Unlike the few other examples of WEC array experimental campaigns, the power take-off (PTO) system of each WEC was simulated by means of advanced equipment capable of accurately reproducing linear control strategies and, thereby, reducing the uncertainty in the physical model. Experimental measurements are then compared with numerical predictions showing reasonable agreement; the measured trends are, in the same way, well captured by the numerical predictions. Further analysis demonstrates that the developed tool can predict, on the safe side, wave forces and power absorption with less than 17.5% and 23.0% error, respectively, for more than 68% of the predictions.
Original languageEnglish
Article number115
JournalSustainability
Volume9
Issue number1
Number of pages20
ISSN2071-1050
DOIs
Publication statusPublished - 2017

Keywords

  • Wave energy converter arrays
  • Hydrodynamics modelling
  • Linearized potential flow
  • Experimental validation
  • Point absorbers
  • Uncertainties
  • DTOcean

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