Small-scale Wind Energy Portable Turbine (SWEPT) - VTechWorks
May 6, 2013 . Theory, Portable power, Piezoelectricity, Reynolds number, .. 6 Direct-drive small-scale wind energy portable turbine for ultra-low wind speed ... about the central axis. . The horizontal axis wind mills are a relatively newer invention than ... estimate the torque, and mechanical power output of a Savonius.