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Composites Materials in Wind Turbine Blades

ByWindmills Tech Editor

Composite Materials It is a macroscopic combination of two or more distinct materials, which will make the composite possess superior and unique properties in relation to the individual properties of its constituents. Composites are obtained by making combinations between materials from different families. Example: Composites are a number of layers (laminas) bonded by a resin…

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Wind Turbine Gearbox Force and Stress Analyses

ByWindmills Tech Editor

Three different types of forces act on gears and bearings in a gearbox. They are gravitational forces, frictional forces, and contact forces. The most significant are contact forces, due to the magnitude of the contact stresses that these forces are generating on the surfaces of the moving parts during operation. Contact force occurs when the…

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Wind Turbine Failures during its service life

ByWindmills Tech Editor

The main damages during the lifetime of a wind turbine are caused by: General Wear Delamination can happen in wind blades, where a detachment of the intra and extrados shellscan be seen. Usually associated with leading edge erosion. Fatigue Loads It is the phenomenon of progressive rupture of materials subjected to repeated cycles of stress…