Loading on a vertical cylinder near mean water level in long-and-short-crested waves
Subbiah, K., Chaplin, J.R. and Irani, M. (1995) Loading on a vertical cylinder near mean water level in long-and-short-crested waves. In, ISOPE 95, 5th International Offshore & Polar Engineering Conference; The Hague, The Netherlands. Cupertino, US, International Society of Offshore and Polar Engineers, 324-331.
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This paper presents the results of an experimental investigation on wave forces on a vertical cylinder in the splash zone. The cylinder was subjected to long- and short-crested waves corresponding to JONSWAP spectra, and sectional loads were measured on force sleeves up to mean water level. Ambient particle velocities were measured by means of perforated ball velocity metres whose performance in intermittent flow was checked with reference to a Laser Doppler Anemometer. Maximum Keulegan-Carpenter numbers were about 24, and maximum Reynolds numbers about 8.5 x 104. Analysis of the measurements concentrated on determining the effect of wave directionality on loading at mean water level. Comparison with earlier results for the submerged part of the cylinder suggests that in the splash zone directionality leads to stronger attenuation of loading than at lower elevations. The changes in loading are rather greater than those predicted by Dean's (1977) hybrid theory.
|Item Type:||Book Section|
|Subjects:||Q Science > QC Physics
T Technology > TA Engineering (General). Civil engineering (General)
V Naval Science > VM Naval architecture. Shipbuilding. Marine engineering
|Divisions:||Faculty of Engineering and the Environment > Civil, Maritime and Environmental Engineering and Science
|Date Deposited:||11 Mar 2010|
|Last Modified:||16 Aug 2011 08:48|
|Publisher:||International Society of Offshore and Polar Engineers|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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