Journal
OCEAN ENGINEERING
Volume 31, Issue 2, Pages 139-164Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0029-8018(03)00118-5
Keywords
oscillating water column (OWC); wave energy; floating body motion and drift force
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The motion and the drift force of a floating OWC (oscillating water column) wave energy device in regular waves are studied taking account of the oscillating surface-pressure due to the pressure drop across the duct of the air chamber. The potential problem inside the chamber is formulated by making use of the Green integral equation associated with the Rankine-type Green function while the outer problem with the Kelvin-type Green function. The added mass, wave damping and excitation coefficients as well as the motion and drift force of the OWC device are calculated for various values of parameter related to the pressure drop. (C) 2003 Elsevier Ltd. All rights reserved.
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