Piezoelectric energy harvesting from VIV on cantilevered flexible cylinders with orthotropic bending stiffiness: experimental investigation of varying flow effects

Abstract: This study presents experimental tests of VIV over an orthotropically stiffened cantilevered cylinder, equipped with piezoceramic components over a flat bar in its interior. The displacements of the cantilever were measured using an optical system tracking reflective targets distributed Leia mais…

Application of the debris-flow hazard index for pipelines in the contexto of the hydrogeological disaster of February 2023 in São Sebastião, Serra do Mar

Abstract: Debris fows are a type of natural disaster that posesgreat threat to infrastructure, humans and the environment. In Brazil, debris fows have caused signifcant damage, especially in the Serra do Mar Mountain region. The increasing frequency and intensity of Leia mais…

High-silicon electrical steel powders aimed for additive manufacturing

Abstract: The Fe6.5Si soft magnetic alloy exhibits promising magnetic properties for energy applications, including nearzero magnetostriction, low magnetocrystalline anisotropy, and higher electrical resistivity than conventional electrical steels. However, its brittleness impedes industrial use. Recent advances in powder-based additive manufacturing show Leia mais…

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