Selection of a biocomposite material as an alternative for the manufacture of the rotor of a gravitational vortex turbine
J. Villamizar, B. Ramon and M. Vargas Faculty of Engineering and Architecture, University of Pamplona, Pamplona (Colombia) 2026-01-20

Abstract

In this research study, a polymeric matrix biocomposite reinforced with natural fibers was evaluated as an alternative for the manufacture of impeller blades for a gravitational vortex turbine. Laminates were manufactured using the manual impregnation method, combining unsaturated polyester resin with three layers of fique fiber. Density tests were conducted along with the mechanical properties of the biocomposite, and they were compared with conventional materials such as aluminum, stainless steel, and fiberglass, commonly used in the construction of impellers. As a result of the tests, it was determined that bio composites present advantages such as: low cost, environmental sustainability and lower density compared to traditional materials. Finally, a prototype rotor for a gravitational vortex turbine was manufactured with the material proposed in the present study. In conclusion, the findings suggest that the developed biocomposite has the potential as an alternative to replace conventional materials in the manufacture of hydraulic rotors.

Key words: Biocomposite, fique, rotor, gravitational, vortex turbine, density.

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