Research Papers

Water Wave Interaction on a Truncated Vertical Cylinder

[+] Author and Article Information
Octavi Sadó Garriga

 University of New Orleans, New Orleans, LA 70148

Jeffrey M. Falzarano

 Texas A&M University, College Station, TX 77843

J. Offshore Mech. Arct. Eng 130(3), 031002 (Jul 11, 2008) (8 pages) doi:10.1115/1.2904941 History: Received July 01, 2004; Revised February 07, 2008; Published July 11, 2008

The purpose of this paper is to combine and extend existing potential flow theory in order to analyze the linear free surface problem of an oscillating water column (OWC) device and apply it to moon pool design. Analytical results were obtained implementing the previously derived theories, and later compared to experimental results conducted at the University of New Orleans Towing Tank. The model tests consisted of a study of a cylindrical OWC. The theoretical and experimental results of the free surface for the OWC tests agree for the resonant frequency estimation response but they disagree on the amplitude of the response.

Copyright © 2008 by American Society of Mechanical Engineers
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Figure 1

Definition sketch of OWC device

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Figure 2

Graphical representation of ks

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Figure 3

OWC free surface RAO for a=1ft and b=2.5ft and 1.67ft

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Figure 4

Screen capture of the LABVIEW DAQ program

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Figure 5

Photograph of the OWC model test setup

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Figure 6

Photograph of the OWC internal wave probes

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Figure 7

Internal view of the cylindrical OWC model during a test

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Figure 8

Plot of the OWC free surface response for b=2.5ft

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Figure 9

Plot of the OWC free surface response for b=1.67ft



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