[Paleopsych] Marine turbines- like windfarms under the waves
shovland at mindspring.com
Thu Aug 12 01:12:21 UTC 2004
Marine current turbines are, in principle, much like submerged windmills.
They will be installed in the sea at places with high tidal current velocities,
to take out energy from the huge volumes of flowing water. These flows
have the major advantage of being an energy resource as predictable as
the tides that cause them, unlike wind or wave energy which respond to
the more random quirks of the weather system. The technology under
development by MCT consists of twin axial flow rotors of 15m to 20m
in diameter, each driving a generator via a gearbox much like a hydro-electric
turbine or a wind turbine. The twin power units of each system are mounted
on wing-like extensions either side of a tubular steel monopile some 3m in
diameter which is set into a hole drilled into the seabed from a jack-up barge.
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