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Hui Yang, Songcheng Jiang, Yan Wang and Hong Xiao
A multi-dimensional morphing wing skeleton mechanism is proposed with double-sided triangular pyramid units, which can realize continuous variable span-wise bend, span-wise twist, and sweep. A lockable morphing unit is designed, and its mechanism/structu...
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Bardo Hörl, Heinz Dörr, Monika Wanjek, Andreas Romstorfer
Pág. 2776 - 2784
In most European congested urban areas the rail tracks of the 19th and 20th century serving locations of industry and goods stations were removed, transformed for public passenger transport, closed down or used for other purposes. The main reasons might ...
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