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We propose a new structure for piezoelectric gyroscope application. It is made from a Z-cut lithium niobate plate with a ferroelectric inversion layer. It is shown theoretically that when the plate is electrically driven into thickness-shear vibration in one of the two in-plane directions of the plate and is rotating about the plate normal, the Coriolis force due to rotation causes a thickness-shear...
In this paper, fault mechanism of icing of wind turbine blades is studied theoretically and experimentally. First, the aerodynamic performance of a wind turbine's primary airfoil under normal and icing conditions are simulated using Fluent software separately to analyze the geometry effect of icing on wind turbine. Then the formation and characteristics of vibration signal on main shaft caused by...
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