Sentences with phrase «pitch angle changed»
The tests also showed that the improvement came from changes in the pitch angle: As the turbine blades flexed back or forth thanks, respectively, to wind pressure and centrifugal effect, the pitch angle changed slightly.
http://www.sciencemag.org/ Not exact matches
Confine the fluid in a rectangular space like a football pitch for a long period of time and on average the particles change direction by an angle of 120 degrees.