Submerged cylinder wave energy device: theory and experiment |
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| Authors: | DV Evans DC Jeffrey SH Salter JRM Taylor |
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| Institution: | Department of Mathematics, University of Bristol, Bristol, UK;Department of Mechanical Engineering, University of Edinburgh, Edinburgh, UK |
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| Abstract: | Linearized water wave theory is used to show that a submerged long circular cylinder suitably constrained by springs and dampers to make small harmonic oscillations, can be extremely efficient in absorbing the energy in an incident regular wave whose crests are parallel to the axis of the cylinder. Experimental results are described which confirm the theory for small amplitude waves and which suggest that the device can still be fairly efficient in waves of moderate amplitude. |
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