An ocean kinetic energy converter for low-power applications using piezoelectric disk elements
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Document typeArticle
Date issued2013-09-30
Rights accessRestricted access - publisher's policy
Abstract
The main problem facing long-term electronic system
deployments in the sea, is to find a feasible way to supply them with
the power they require. Harvesting mechanical energy from the ocean
wave oscillations and converting it into electrical energy, provides an
alternative method for creating self-contained power sources. However,
the very low and varying frequency of ocean waves, which generally
varies from 0.1 Hz to 2 Hz, presents a hurdle which has to be overcome
if this mechanical energy is to be harvested. In this paper, a new sea
wave kinetic energy converter is described using low-cost disk piezoelectric
elements, which has no dependence on their excitement frequency,
to feed low-consumption maritime-deployed electronic devices. The
operating principles of the piezoelectric device technique are presented,
including analytical formulations describing the transfer of energy.
Finally, a prototypical design, which generates electrical energy from
the motion of a buoy, is introduced. The paper concludes with the
the behavior study of the piezoelectric prototype device as a power
generator.
CitationViñolo, C., Toma, D.M., Manuel, A., Del Rio, J. An ocean kinetic energy converter for low-power applications using piezoelectric disk elements. "European physical journal. Special topics", 30 Setembre 2013, vol. 222, núm. 7, p. 1685-1698.
ISSN1951-6355
Publisher versionhttp://link.springer.com/content/pdf/10.1140/epjst/e2013-01955-3
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