Efficient Calculation of Hydrodynamic Properties of OWC-Type Devices-Reference-Cited by-同舟云学术

Efficient Calculation of Hydrodynamic Properties of OWC-Type Devices

Published:1997-11-01 Issue:4 Volume:119 Page:210-218
ISSN:0892-7219
Container-title:Journal of Offshore Mechanics and Arctic Engineering
language:en
Short-container-title:

Author:

Evans D. V.¹,Porter R.¹

Affiliation:

1. School of Mathematics, University of Bristol, University Walk, Bristol, BS8 1TW U.K.

Abstract

A simple model of an OWC-type wave-energy device is used to illustrate a powerful accurate method for computing the hydrodynamic coefficients when sharp edges are present. The device consists simply of a vertical partially immersed circular cylinder open at either end, with power being extracted by constricting the flow of the air trapped in the cylinder above the internal free surface. The method involves the use of the theory of pressure distributions for OWC devices and the hydrodynamical coefficients are computed using an accurate Galerkin method which preserves the reciprocity relations.

Publisher

ASME International

Subject

Mechanical Engineering,Ocean Engineering

Link

http://asmedigitalcollection.asme.org/offshoremechanics/article-pdf/119/4/210/5810185/210_1.pdf

Reference15 articles.

1. Abramowitz, M. A., and Stegun, I. 1964 Handbook of Mathematical Functions, Dover.

2. Evans D. V. , 1976, “A Theory for Wave-Power Absorption by Oscillating Bodies,” Journal of Fluid Mechanics, Vol. 77, pp. 1–25.

3. Evans D. V. , 1982, “Wave-Power Absorption by Systems of Oscillating Surface Pressure Distributions,” Journal of Fluid Mechanics, Vol. 114, pp. 481–499.

4. Evans D. V. , and PorterR., 1995, “Hydrodynamic Characteristics of an Oscillating Water Column Device,” Applied Ocean Research, Vol. 17, pp. 155–164.

5. Evans, D. V., O´ Gallacho´ir, B. F., Porter, R., and Thomas, G. P., 1996, “On the Optimal Design of an Oscillating Water Column Device,” Proceedings, 2nd European Wave Power Conference, Lisbon, Portugal.

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