The AWS (Archimedes Wave Swing) pilot plant, rated at 2 MW, was tested offshore at Povoa de Varzim in northern Portugal in 2004, gathering a large team of engineers and scientists. The Mechanical Engineering Department of Instituto Superior Tecnico was involved, following previous work done for the project. The present paper describes one of the studies conducted. It aims to characterise the sea state at the actual location of the pilot plant using the available pressure sensors. Two approaches were performed: a first one purely based in linear wave theory, neglecting the presence of the device, and a second one, based on the results from a BEM (Boundary Element MethodCharakterisierung ) code named AQUADYN, originally developed at Ecole Centrale de Nantes (France), which allowed a detailed quantification of the effects of the presence of the plant on the wave profile directly above it. Comparisons with a Datawell Waverider buoy located at a certain distance from the plant also played an important role in the current study.


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    Title :

    Sea state characterisation of the test site of an offshore wave energy plant


    Additional title:

    Charakterisierung des Seegangzustands am Ort einer Pilotanlage eines Wellenenergie-Kraftwerks


    Contributors:

    Published in:

    Ocean Engineering ; 34 , 5-6 ; 763-775


    Publication date :

    2007


    Size :

    13 Seiten, 19 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English






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