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The Carbon Trust Marine Energy Challenge Oscillating Water Column Wave Energy Converter Evaluation Report

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The Carbon Trust Marine Energy Challenge Oscillating Water Column Wave Energy Converter Evaluation Report The Carbon Trust Marine Energy Challenge Oscillating Water Column Wave Energy Converter Evaluation Report This report has been prepared by Arup Energy solely for use by the Carbon Trust by whom it was commissioned. It is not addressed to and may not be relied upon by any person or entity other than the Carbon Trust without the prior written permission of both the Carbon Trust and Arup Energy. In producing this report, Arup Energy has relied upon information provided by third parties. Neither the Carbon Trust nor Arup Energy nor their respective directors, employees or affiliated companies give any representation or warranty, express or implied, as to the accuracy, completeness or fairness of the contents of the report, nor accept any responsibility or liability for any loss, whether direct, indirect or consequential, arising from reliance on it. Any use of this report by any third party for whatever purpose is solely the responsibility of that party who should use such due diligence to verify the report's contents and consult its own advisers as may be appropriate. The Carbon Trust does not give investment advice and nothing in this report constitutes, or should be taken as, a recommendation to enter into, or the giving of any advice in relation to, any investment. This report may be copied and distributed only with the consent of the Carbon Trust. Ó The Carbon Trust 2005 Contents Executive Summary ............................................................................................................................................. 1 1 Scope of Work & Report Structure......................................................................................................... 7 1.1 Background to the OWC Evaluation ..................................................................................... 7 1.2 First Stage Evaluation........................................................................................................... 7 1.2.1 State-of-the-art Review.........................................................................................................7 1.2.2 Market Assessment .............................................................................................................. 8 1.2.3 Report Structure ................................................................................................................... 8 1.3 Second Stage Evaluation...................................................................................................... 8 1.3.1 Scope for improvement......................................................................................................... 8 1.3.2 Future Visions....................................................................................................................... 9 1.3.3 Shoreline against near-shore device installation................................................................... 9 1.3.4 Sensitivities and prioritisation................................................................................................9 1.3.5 Report Structure ................................................................................................................... 9 1.4 Third Stage Evaluation..........................................................................................................9 1.4.1 Recommendations for development work............................................................................. 9 1.4.2 Report Structure ................................................................................................................... 9 1.5 Developer input and peer review ........................................................................................ 10 2 Glossary of Terms ............................................................................................................................... 11 2.1 Oscillating Water Column Terminology............................................................................... 11 2.2 Terminology ........................................................................................................................ 11 State-of-the-art Review & Market Assessment .................................................................................................. 13 3 Existing Shoreline OWCs .................................................................................................................... 14 3.1 LIMPET 500 [3,5,6,27,56] ................................................................................................... 14 3.1.1 Concept .............................................................................................................................. 14 3.1.2 Geometry............................................................................................................................ 14 3.1.3 Design Parameters (Assumptions and working principles) ................................................ 15 3.1.4 Project Experience..............................................................................................................15 3.2 Pico [4,26,45,46,67,68]....................................................................................................... 18 3.2.1 Concept .............................................................................................................................. 18 3.2.2 Geometry............................................................................................................................ 18 3.2.3 Design Parameters (Assumptions and working principles)................................................. 19 3.2.4 Project Experience..............................................................................................................19 3.3 OSPREY [10]...................................................................................................................... 22 3.3.1 Concept .............................................................................................................................. 22 3.3.2 Geometry (OSPREY 1)....................................................................................................... 22 3.3.3 Design Parameters (Assumptions and working principles)................................................. 24 3.3.4 Project Experience & Reported Conclusions ...................................................................... 24 3.3.5 Performance ....................................................................................................................... 25 3.4 Port Kembla, NSW, Australia [47,70,71]............................................................................. 26 3.4.1 Concept .............................................................................................................................. 26 3.4.2 Geometry............................................................................................................................ 26 3.4.3 Design Parameters (Assumptions and working principles)................................................. 26 3.4.4 Project Experience..............................................................................................................27 3.4.5 Performance ....................................................................................................................... 28 3.5 Vizhinjam OWC, Trivandrum, India [11,48]......................................................................... 29 3.5.1 Concept .............................................................................................................................. 29 3.5.2 Geometry............................................................................................................................ 30 3.5.3 Design Parameters (Assumptions and working principles)................................................. 31 3.5.4 Costs................................................................................................................................... 32 3.5.5 Performance ....................................................................................................................... 32 3.6 Sakata, Japan..................................................................................................................... 34 3.6.1 Concept .............................................................................................................................. 34 3.6.2 Geometry............................................................................................................................ 34 3.6.3 Design Parameters (Assumptions and working principles)................................................. 36 3.6.4 Performance ....................................................................................................................... 36 3.7 Other OWC installations ..................................................................................................... 36 3.8 Recent Developments......................................................................................................... 37 3.9 Risk Matrix .......................................................................................................................... 38 3.10 Key Performance Indicators................................................................................................ 41 3.10.1 Structural Quantities v Output............................................................................................. 41 3.10.2 Wave Energy at Collector v Output....................................................................................
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