The Value of Full Scale Prototype Data - Testing Oyster 800 at EMEC, Orkney

Louise O'Boyle, Kenneth Doherty, Joseph Van 't Hoff, Jessica Skelton

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper demonstrates the unparalleled value of full scale data which has been acquired from ocean trials of Aquamarine Power’s Oyster 800 Wave Energy Converter (WEC) at the European Marine Energy Centre (EMEC), Orkney, Scotland.
High quality prototype and wave data were simultaneously recorded in over 750 distinct sea states (comprising different wave height, wave period and tidal height combinations) and include periods of operation where the hydraulic Power Take-Off (PTO) system was both pressurised (damped operation) and de-pressurised (undamped operation).
A detailed model-prototype correlation procedure is presented where the full scale prototype behaviour is compared to predictions from both experimental and numerical modelling techniques via a high temporal resolution wave-by-wave reconstruction. This unquestionably provides the definitive verification of the capabilities of such research techniques and facilitates a robust and meaningful uncertainty analysis to be performed on their outputs.
The importance of a good data capture methodology, both in terms of handling and accuracy is also presented. The techniques and procedures implemented by Aquamarine Power for real-time data management are discussed, including lessons learned on the instrumentation and infrastructure required to collect high-value data.
Original languageEnglish
Title of host publicationProceedings of the 11th European Wave and Tidal Energy Conference
PublisherEuropean Wave & Tidal Energy (EWTEC)
Number of pages10
Publication statusPublished - Sep 2015
Event11th European Wave & Tidal Energy Conference - Nantes, France
Duration: 06 Sep 201511 Sep 2015

Publication series

NameThe European Wave and Tidal Energy Conference
ISSN (Print)2309-1983

Conference

Conference11th European Wave & Tidal Energy Conference
CountryFrance
CityNantes
Period06/09/201511/09/2015

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