Effects of wave directionality on the in-line loading of a vertical cylinder


Chaplin, John R., Subbiah, Kesavan and Irani, Mehernosh (1994) Effects of wave directionality on the in-line loading of a vertical cylinder. International Journal of Offshore and Polar Engineering, 4, (3), 206-211.

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Description/Abstract

This paper presents results from an experimental investigation into the loading on a rigid vertical circular cylinder in irregular unidirectional and multidirectional waves in water of uniform depth. The ambient flow at the location of the cylinder was measured directly using perforated-ball velocity meters (PVMs), in order to avoid uncertainties associated with the use of wave theories.
Reynolds numbers were in the range of 104 to 7 X 104, and Keulegan-Carpenter numbers ranged from o to 16. In-line Morison coefficients and root-mean-square force coefficients are estimated from the loading measured on force sleeves at three elevations along the length of the cylinder. Results are presented for the probability distributions of forces and peak forces, and for Morison and rms force coefficients. Effects of wave directionality are compared with Dean's analytical predictions.

Item Type: Article
ISSNs: 1053-5381 (print)
Related URLs:
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Q Science > QC Physics
Divisions: University Structure - Pre August 2011 > School of Civil Engineering and the Environment
ePrint ID: 75360
Date Deposited: 11 Mar 2010
Last Modified: 27 Mar 2014 18:54
URI: http://eprints.soton.ac.uk/id/eprint/75360

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