WaveRoller concept movie in Quicktime
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Uploaded by juhani on Oct 2, 2009
In 1993, professional diver Rauno Koivusaari was exploring a shipwreck in the Baltic. He was almost hit by a bulkhead door that was flapping slowly back and forth in powerful underwater waves. Most divers have noticed this phenomenon, but Rauno began to wonder if this bottom wave energy could be harnessed. It can with WaveRoller.
In surface waves or swell, water particles roll in a circular motion. Coming in toward the shore, this energy is squeezed by the reducing depth. Below the surface swell, at a depth half of the length of the swell, the circular rolling motion becomes more elliptical, and at the sea bottom the water particles rock back and forth up to the breaker line.
WaveRoller captures this kinetic energy, using a specially designed bottom-mounted moving wing. The captured energy is converted to electricity using traditional technologies.
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@onthecuttingedge2005 They have tested it with very good results. I highly doubt any storm could affect them - after all they are laying at the bottom of the sea. Maybe you thought it to be smaller scale than it really is? You can find a picture from the company section of their home page (AW-Energy). One flap is bigger than a light truck.
smokyislay 10 months ago
one good oceanic storm would destroy them.
onthecuttingedge2005 1 year ago
one good oceanic storm would destroy them.
onthecuttingedge2005 1 year ago