asteroza + oscillating   16

Crowdfunding Renewable Energy - Ocean Energy Turbine
Odd VAWT using feathering/oscillating blades, as a water current turbine.
venetian  blind  ocean  river  tidal  current  water  turbine  power  generator  oscillating  blade  feathering  VAWT  vertical  green  energy  Delicious 
april 2014 by asteroza
Ofoil | Wing propulsion
interesting foil propulsion, using a vertically reciprocating fin, similar to marine mammals like whales and dolphins. I suppose if you can flip the fin 180 degrees, reverse is possible too. The demo barge has an open slot for the fin to move up and down in that is a source of drag though, and there probably isn't an easy solution for that, as a continuous seal would gravitate more to a longitudinal voith-schneider propeller, which would be a poor use of voith-schneider gear.
oscillating  foil  o-foil  fin  propulsion  biomimicry  marine  research  technology  ship  wing  Delicious 
november 2013 by asteroza
Pterofin - Home
Some sort of weird flapping mechanism that is used to recover energy from low speed flows. This might be more attractive actually for low speed ocean current setups.
Pterofin  oscillating  flapping  fin  wing  wind  water  turbine  power  generator  green  energy  Delicious 
june 2012 by asteroza
A New Charging Method Could Greatly Reduce Battery Recharge Times
This reminds me of a piece of hardware sold to sailboat enthusiasts to recondition their battery by sending high frequency waves through a DC battery to help with the electrodes. I wonder if it's related?
oscillating  electric  field  battery  charging  technique  materials  science  chemistry  physics  research  technology  Delicious 
march 2010 by asteroza

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