A linear theory is developed to obtain the motions of a two-dimensional, freely floating body (from which steady intake/discharge flows originate) that encounters incoming waves. The boundary-value problem is formulated within the assumptions of linear potential theory by decomposing the total potential into its oscillatory and steady components. The steady potential is further decomposed into the double-model and perturbation potentials. The time-harmonic potential is coupled with the steady potential through the free-surface condition. The potentials are obtained by use of the quadratic boundary-element method based on the Rankine source. The effect of the steady intake/discharge flows on the diffraction loads, hydrodynamic force coefficients, as well as the motions of a two-dimensional prismatic body floating on the free surface are presented. It is shown that the exciting wave forces and the hydrodynamic coefficients other than the damping coefficients are not appreciably affected in the case of low intake/discharge Froude numbers that are estimated, for example, for a 100 MW floating OTEC plant.
On the Interaction of Waves With Intake/Discharge Flows Originating From a Freely-Floating Body
Contributed by the OOAE Division of the THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF OFFSHORE MECHANICS AND ARCTIC ENGINEERING. Manuscript received by the ASME OOAE Division, February 2002; final revision, September 2002. Guest Associate Editor: R. W. Yeung.
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Padmanabhan, B., and Ertekin, R. C. (February 28, 2003). "On the Interaction of Waves With Intake/Discharge Flows Originating From a Freely-Floating Body ." ASME. J. Offshore Mech. Arct. Eng. February 2003; 125(1): 41–47. https://doi.org/10.1115/1.1537724
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