Fixed geometry self-starting transverse axis wind turbine

Details Fixed geometry self-starting transverse axis wind turbine Fixed geometry self-starting transverse axis wind turbine

F - Mech Eng,Light,Heat,Weapons

03

D

170/5

F03D 3/06 (2006.01)

Patent

CA 1117426

FIXED GEOMETRY SELF-STARTING TRANSVERSE AXIS WIND TURBINE Abstract This invention relates to a fixed geometry self-starting wind turbine having a blade or blades rotatable about a vertical axis. The blade is of a wide streamlined cambered airfoil shape and has a forward portion that includes a well rounded leading edge and thickness distribution that is conducive to high lift to drag ratios and having a high drag characteristic in reversed flows. The concave curvature of this camber line of said airfoil is directed to the rotational axis. The wide blade in combination with the well rounded leading edge, camber and airfoil thickness gives the turbine improved self-starting characteristics and causes the turbine to have improved accelera- tion characteristics through the intermediate rnage of tip speed ratios and up to full operating speed.

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