Hydraulic and earth engineering – Fluid control – treatment – or containment – Extracting power from moving fluid
Patent
1978-09-13
1981-03-10
Corbin, David H.
Hydraulic and earth engineering
Fluid control, treatment, or containment
Extracting power from moving fluid
405 35, E02B 908
Patent
active
042550661
ABSTRACT:
An arrangement for concentrating sea waves, includes a grid-like structure of stopping and/or delaying elements adapted to influence the amplitude and/or phase of the waves and located in such positions in the water that the elements in interaction with the incident sea waves form an interference pattern which gives a concentration of the wave energy in a limited area (concentration area). When the wave energy is to be utilized for power production, the grid-like element structure is designed to give a concentration of the wave energy in a concentration area located in the short-range field of the element structure. Preferably the elements in the structure are mainly situated in front of the concentration area with respect to the dominant wave incident directions. Moreover, the element structure may have an extension (aperture) which is substantially larger than the wave length of the dominant waves at the location.
REFERENCES:
patent: 1375232 (1921-04-01), Rush
patent: 2441759 (1948-05-01), Gay
patent: 2886951 (1959-05-01), Valembois
"Linear and Nonlinear Waves", G. B. Whitham, London 1973, Chapter 13, pp. 431-484.
Corbin David H.
Sentralinstitutt for Industriell Forskning
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