Abstract
In recent times, tidal turbines have been widely used to harness the electrical energy from the rotodynamic motion possessed by moving water. This has consistently been the principal censuring portion of the tidal turbines as well. The design of the chord, the aerofoil, and the twist distribution over the blade are such that the turbine has perpetual conduction across a vast period. Tidal turbine blades are exposed to an enormous thrust and torsional loading due to the high density of the seawater in which they perform. These thrust loadings result in high bending moments at the blade root, which can end up being a genuine design requirement for these gadgets and can have suggestions regarding cost-economic and adaptability. The tidal turbine blade materials have to be chosen correctly to attenuate the deterioration of the material. This chapter presents the degradation of tidal turbine blades as well as finite element analysis of FRP composites such as CFRP, GFRP, and AFRP in a hydrothermal setting using Ansys Tools. We conclude that degradation affects the tidal turbine blades after accounting for the unavoidable uncertainties and thus the foremost suitable materials for the manufacture of blades are the engineered materials like the FRP composite, among which, CFRP is endorsed by most turbine developers.
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