26 Dec '12, 9am

New wind turbine blade designs could reduce costs

Siemens 75m turbine under construction In the well known Greek myth, Icarus, attempting to fly with wings that his father had constructed from feathers and wax, ignores instructions not to fly too close to the sun, the wax melts and he falls into the sea and drowns. If the wind industry is to develop its full potential, it must ensure that the wings of its turbines are technologically advanced enough for them to be viable producers of energy both economically and sustainably. Feathers and wax will not do. Only the continuous improvement of rotor blades will allow the sector to tap into more moderate wind speed markets and enable off-shore wind farms to become truly cost effective. Siemens has already become somewhat of a leader in this field producing the world’s longest rotor blades for wind turbines. Measuring 75 meters in length, the blades are almost as big as the wing...

Full article: http://www.ewea.org/blog/2012/12/new-wind-turbine-blade-d...

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