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Des éoliennes sous-marines
By far the simplest way to develop tidal stream energy is to borrow from horizontal axis wind turbines, where the technology, components and know-how have been developed over the last 30 years. A tidal stream turbine is just like a wind turbine underwater, except that the density of seawater is 800 times greater than air, and flow rates typically one fifth. So a properly rated tidal turbine would have a rotor diameter about half that of a wind turbine of the same rated power.
The key to success is how to support the rotor-transmission so that it follows the water flow and can be installed and maintained easily and cheaply. For deepwater sites, where two thirds of the resource lies, submerged floating designs are necessary. These avoid the storm vulnerability of surface floating devices, and the impracticality of seabed-mounting. The section below will take you through our thinking process to the final design shown on the Home page.
Au moins, ça ne tuera pas de chauves-souris…
Source : Tidal Stream.
15 novembre 2007 à 20:54Les batmans, non, mais les petits poissons… ScorpiusCiter
15 novembre 2007 à 21:15Les Fishermen ? Bah ! Tuer un Profond, c’est sauver un universitaire d’Arkham originaire d’Innsmouth de la folie, alors, pourquoi hésiter ? SchizodoxeCiter
15 novembre 2007 à 23:17« Tuer un Profond, c’est sauver un universitaire d’Arkham originaire d’Innsmouth de la folie, alors, pourquoi hésiter ? »
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Je, je peux quitter la secte ? Hein ? Je peux reconsidérer notre collaboration ? ScorpiusCiter
15 novembre 2007 à 23:51J’ai toujours pensé que tu étais soft on profondism…
30 août 2008 à 8:44