Letter | Published:

A resonant point absorber of ocean-wave power

Naturevolume 256pages478479 (1975) | Download Citation

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  • A Corrigendum to this article was published on 16 October 1975

Abstract

VARIOUS large scale systems have been proposed for absorbing and utilising the energy carried by ocean waves1–4. In principle, such a system consists of a damped oscillator which interacts with the wave. The net result is that energy is transferred from the wave to a load. Here we call a system a ‘point absorber’ when its horizontal extent is much smaller than one wavelength, and a ‘linear absorber’ when the system is made as a straight construction, at least a few wavelengths long1.

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References

  1. 1

    Salter, S. H., Nature 249, 720–724 (1974).

  2. 2

    Kayser, H., IEEE Ocean, 1, 240–243 (1974).

  3. 3

    Budal, K., and Falnes, J., Mar. Sci. Commun., 1 (in the press).

  4. 4

    Woolley, M., and Platts, J., New Sclent., 66, 241–243 (1975).

  5. 5

    Swift-Hook, D. T., Count, B. M., Glendenning, I., and Salter, S., Nature, 254, 504–506 (1975).

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Author information

Affiliations

  1. Institutt for eksperimentalfysikk, N-7034, Trondheim—NTH, Norway

    • K. BUDAR
    •  & J. FALNES

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DOI

https://doi.org/10.1038/256478a0

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