LIBROS DEL AUTOR: dirk michael nuernbergk

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  • Hydropower Screws
    Dirk Michael Nuernbergk
    Water screw conveyors have been in use for centuries. Their invention is attributed to Archimedes. However, the idea of using this Archimedean screw also as a hydropower screw to convert hydraulic energy into electrical energy did not emerge until the 1990s. More recently, hydropower screws have been used very frequently at hydropower sites and have now also attracted increasin...
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    47,64 €