Caisson breakwaters embodying an OWC with a small opening—Part II: A small-scale field experiment

A common and intuitive idea is that, before an absorbing breakwater, waves are smaller than before a conventional reflecting breakwater. The theory of Part I has shown that, on the contrary, before a breakwater converter, in some cases, the wave height may be greater than before a conventional refle...

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Bibliographic Details
Published in:Ocean engineering 2007-04, Vol.34 (5), p.820-841
Main Authors: Boccotti, Paolo, Filianoti, Pasquale, Fiamma, Vincenzo, Arena, Felice
Format: Article
Language:English
Subjects:
Applied sciences
Buildings. Public works
Caisson breakwaters
Directional spectrum
Exact sciences and technology
Frequency spectrum
Hydraulic constructions
Marine
OWCs
Port facilities and coastal structures. Lighthouses and beacons
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Summary:A common and intuitive idea is that, before an absorbing breakwater, waves are smaller than before a conventional reflecting breakwater. The theory of Part I has shown that, on the contrary, before a breakwater converter, in some cases, the wave height may be greater than before a conventional reflecting breakwater. Now, an experiment off the eastern coast of the Straits of Messina provides a confirmation of the theory: some huge amplifications of swells are common at a breakwater converter, and as a consequence the energy absorption gets very large. Here, we show the results of the experiment, and, basing ourselves on these results and on the theory of Part I, we suggest some practical way of calculation.
ISSN:0029-8018
1873-5258
DOI:10.1016/j.oceaneng.2006.04.016