Investigation on the energy absorption performance of a fixed-bottom pressure-differential wave energy converter |
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| Institution: | 1. School of Engineering, Plymouth University, Drake Circus, Plymouth, Devon, England, PL4 8AA, UK;2. Department of Mechanical Engineering and Built Environment, University of Derby, Markeaton Street, DE22 3AW, UK;3. Sea Energy Associates Ltd, Ergo House, Mere Way, Ruddington Fields, NG11 6JS Ruddington, UK |
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| Abstract: | In this article, we investigate the energy absorption performance of a fixed-bottom pressure-differential wave energy converter. Two versions of the technology are considered: one has the moving surfaces on the bottom of the air chambers whereas the other has the moving surfaces on the top. We developed numerical models in the frequency domain, thereby enabling the power absorption of the two versions of the device to be assessed. It is observed that the moving surfaces on the top allow for easier tuning of the natural period of the system. Taking into account stroke limitations, the design is optimized. Results indicate that the pressure-differential wave energy converter is a highly efficient technology both with respect to energy absorption and selected economic performance indicators. |
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| Keywords: | Renewable energy Wave energy converter Pressure differential Numerical model Optimization Energy performance |
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