Development of the Second-Generation Oscillating Surge Wave Energy Converter with Variable Geometry: Preprint

Nathan Tom, Yi-Hsiang Yu, Robert Thresher, Michael Kelly

Research output: Contribution to conferencePaper

Abstract

This study investigates the effect of design changes on the hydrodynamics of a novel oscillating surge wave energy converter being developed at the National Renewable Energy Laboratory. The design utilizes controllable geometry features to shed structural loads while maintaining a rated power over a greater number of sea states. The second-generation design will seek to provide a more refined control of performance because the first-generation design demonstrated performance reductions considered too large for smooth power output. Performance is evaluated using frequency domain analysis with consideration of a nonideal power-take-off system, with respect to power absorption, foundation loads, and power-take-off torque.
Original languageAmerican English
Number of pages10
StatePublished - 2017
EventInternational Society of Offshore and Polar Engineers' International Ocean and Polar Engineering Conference - San Francisco, California
Duration: 25 Jun 201730 Jun 2017

Conference

ConferenceInternational Society of Offshore and Polar Engineers' International Ocean and Polar Engineering Conference
CitySan Francisco, California
Period25/06/1730/06/17

Bibliographical note

See NREL/CP-5000-70762 for paper as published in ISOPE proceedings

NREL Publication Number

  • NREL/CP-5000-67919

Keywords

  • control
  • hydrodynamics
  • NREL
  • power take-off
  • variable geometry
  • wave energy

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