Sentences with phrase «type turbine blades»
Such high - efficiency energy conversion dictates the use of lift - type turbine blades, similar to airplane wings, of twisted and tapered airfoil shapes.
https://www.scientificamerican.com/ Not exact matches
While there are many VAWT designs, the one used in this study is called the straight - blade Darrieus type or H - rotor turbine.
They add that the turbines rotate slowly, in a drag type mode, so the blades «can be made stronger to withstand the high stress loads created by the water flow, unlike propellers and foils which also try to produce a lift effect to improve their performance».