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Mechanical free energy devices => mechanic => Topic started by: tak22 on July 22, 2010, 06:40:17 PM
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Resonance, what can't it do? :)
In a new study, Mickael Lallart and Daniel Guyomar from the LGEF Laboratory at the University of Lyon have proposed that an initial energy injection extracted from the harvested energy itself could greatly increase the total energy output; specifically, this method could generate 20 times more energy than normal when using off-the-shelf components, and up to 40 times more when using low-loss devices.
http://www.physorg.com/news198904418.html (http://www.physorg.com/news198904418.html)
In the proposed scheme, harvested energy is first extracted from the piezoelectric element via a microgenerator. The energy is then injected as a quick pulse back into the piezoelectric element through either its top or bottom electrode, resulting in a positive or negative voltage, respectively. The energy injection creates an “energy resonance†effect due to the pulsed energy feedback to the piezoelectric material.
Due to this energy resonance effect, the initial energy injection to the piezoelectric material creates an overall energy gain that is higher than the energy initially extracted from the piezoelectric material.
tak
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Resonance, what can't it do? :)
That is the best statement this year by a mile !
Your discussing the perfectly timed
"tap" on a clock pendulum,
like helping a child on a swing.
Works in inductors, springs, pendulums,
and of course, size-changing materials.