Development of the second-generation oscillating surge wave energy converter with variable

Geometry Michael Kelly, Nathan Tom, Yi Hsiang Yu, Robert Thresher, Nikhar Abbas

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

7 Scopus citations

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 languageEnglish
Title of host publicationProceedings of the 27th International Ocean and Polar Engineering Conference, ISOPE 2017
PublisherSociety of Petroleum Engineers
Pages101-108
Number of pages8
ISBN (Electronic)9781880653975
StatePublished - Jun 2017
Event27th International Ocean and Polar Engineering Conference, ISOPE 2017 - San Francisco, United States
Duration: 25 Jun 201730 Jun 2017

Publication series

NameProceedings of the International Offshore and Polar Engineering Conference
ISSN (Print)1098-6189
ISSN (Electronic)1555-1792

Conference

Conference27th International Ocean and Polar Engineering Conference, ISOPE 2017
Country/TerritoryUnited States
CitySan Francisco
Period25/06/1730/06/17

Keywords

  • Control
  • Hydrodynamics
  • Power take-off
  • Variable geometry
  • Wave energy

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