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une voie energetique pour demain ?
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une voie energetique pour demain ?
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en fait, ils utilisent la poussée d'archimède et la pesanteur comme moteurs... la nature se charge du reste.
Oui, en fait c'est mal exprimé... mais, en tout cas, il y a un gain positif.
D'apres les projets, il faudrait faire une tour de 1200m de haut, avec des reservoirs d'eau en eau... et puis apres ca fonctionne tout seul ou presque et tu en retire de l'energie...
A mon avis :ugeek: , il faut comprendre que le rendement energétique, c'est ce que tu peux réellement retirer de l'energie disponible. Une bonne partie de l'énergie n'est pas captée par les turbines...
De ces quelques pourcents récupérés, on peut en utiliser 45%...
mais comme tu le dis, de ce gros pourcent utilisable, il faut voir combien de MW on a en entrée, ce qui deja nous fait quelques MW en sortie... tout est une histoire de dimensionnement :!:
Tout à un prix, même les hommes ont le leur.
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