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A comparison of the...
A comparison of the performance and characteristics of two generations Waves4Power WaveEL wave energy converters
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- Shao, Xinyuan, 1997 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Yao, Huadong, 1982 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Ringsberg, Jonas, 1971 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Li, Zhiyuan, 1974 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Johnson, Erland, 1962 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,RISE Research Institutes of Sweden
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Fredrikson, Göran (author)
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(creator_code:org_t)
- London : CRC Press, 2022
- 2022
- English.
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In: Proceedings of The 5th International Conference on Renewable Energies Offshore (RENEW 2022). - London : CRC Press. - 9781032420035 ; , s. 277-284
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Abstract
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- The WaveEL™ wave energy converter (WEC) is a wave energy point absorber developed by Waves4Power AB. The newest generation, WaveEL 4.0, was recently proposed. With respect to the former 3.0 generation, the major updates are the length of the water tube beneath the buoy and the shape of the buoy. These geometric updates change the centre of gravity and the total weight of the WEC, affecting the hydrodynamic performance of the WEC and the mechanical life of the moorings. In this paper, the DNV Sesam software package was used to simulate and analyse the two WEC generations under regular and irregular seastate conditions. A performance analysis was conducted in terms of buoy heave motion resonances for maximizing energy harvesting, mooring line axial forces, and hydrodynamic power production. The pros and cons of WaveEL 4.0 compared to 3.0 are discussed. Compared to WaveEL 3.0, WaveEL 4.0 absorbs more hydrodynamic energy due to larger heave motions and more efficient power production. Its motions in the horizontal plane are larger, which may require a larger distance between the WEC units in a wave park to avoid losing efficiency due to hydrodynamic interaction effects.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Strömningsmekanik och akustik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Fluid Mechanics and Acoustics (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Naturresursteknik -- Marin teknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Environmental Engineering -- Marine Engineering (hsv//eng)
Keyword
- point absorber
- performance analysis
- interaction effects
- hydrodynamic analyses
- Wave energy
Publication and Content Type
- kon (subject category)
- ref (subject category)
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Shao, Xinyuan, 1 ...
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Yao, Huadong, 19 ...
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Ringsberg, Jonas ...
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Li, Zhiyuan, 197 ...
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Johnson, Erland, ...
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Fredrikson, Göra ...
- About the subject
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Mechanical Engin ...
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and Fluid Mechanics ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Environmental En ...
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and Marine Engineeri ...
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Proceedings of T ...
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Chalmers University of Technology