Bending Behavior Analysis of Box Beams with the Reinforcement of Composite Materials for Wind Turbine Blades

Wind turbine blades in excessive wind conditions present extreme deflection problems. For this reason, an analysis of the structural response of composite reinforced box beams is developed. For this purpose, reinforced box beams were fabricated to improve the bending strength in the flapwise directi...

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Main Authors: Ofelia Maldonado-Santiago, Jose Billerman Robles-Ocampo, Eduardo Gálvez, Perla Yazmin Sevilla-Camacho, Sergio de la Cruz, Juvenal Rodríguez-Reséndiz, Edwin Hernández
Format: Article
Language:English
Published: MDPI AG 2023-11-01
Series:Fibers
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Online Access:https://www.mdpi.com/2079-6439/11/12/99
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author Ofelia Maldonado-Santiago
Jose Billerman Robles-Ocampo
Eduardo Gálvez
Perla Yazmin Sevilla-Camacho
Sergio de la Cruz
Juvenal Rodríguez-Reséndiz
Edwin Hernández
author_facet Ofelia Maldonado-Santiago
Jose Billerman Robles-Ocampo
Eduardo Gálvez
Perla Yazmin Sevilla-Camacho
Sergio de la Cruz
Juvenal Rodríguez-Reséndiz
Edwin Hernández
author_sort Ofelia Maldonado-Santiago
collection DOAJ
description Wind turbine blades in excessive wind conditions present extreme deflection problems. For this reason, an analysis of the structural response of composite reinforced box beams is developed. For this purpose, reinforced box beams were fabricated to improve the bending strength in the flapwise direction of the wind turbine blades. The box beams were analyzed with three-dimensional models using the Finite Element Method (FEM) and validated with bending tests at four-points and two-points. The box beam meets the characteristics of lightness and mechanical strength. Experimental four-point bending results showed that reinforced cross-sections decrease displacements by 30.09% and increase their stiffness to 43.41% for a box beam without structural reinforcement. In addition, the two-point bending results showed a difference of 18.98% between the displacements of the beams with structural reinforcements. In the FEM analysis, a maximum error of 11.24% was obtained when correlating the maximum displacement value with the experimental results of the beams.
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spelling doaj.art-53dbf06983564d90af72c2bde99c65612023-12-22T14:07:57ZengMDPI AGFibers2079-64392023-11-0111129910.3390/fib11120099Bending Behavior Analysis of Box Beams with the Reinforcement of Composite Materials for Wind Turbine BladesOfelia Maldonado-Santiago0Jose Billerman Robles-Ocampo1Eduardo Gálvez2Perla Yazmin Sevilla-Camacho3Sergio de la Cruz4Juvenal Rodríguez-Reséndiz5Edwin Hernández6Maestría en Energía Renovables, Universidad Politécnica de Chiapas, Carretera Tuxtla Gutiérrez, Portillo Zaragoza Km 21 + 500, Col. Las Brisas, Suchiapa CP. 29150, Chiapas, MexicoEnergy and Sustainability Academic Group, Universidad Politécnica de Chiapas, Carretera Tuxtla Gutiérrez, Portillo Zaragoza Km 21 + 500, Col. Las Brisas, Suchiapa CP. 29150, Chiapas, MexicoIngeniería en Tecnología de Manufactura, Universidad Politécnica de Chiapas, Carretera Tuxtla Gutiérrez, Portillo Zaragoza Km 21 + 500, Col. Las Brisas, Suchiapa CP. 29150, Chiapas, MexicoEnergy and Sustainability Academic Group, Universidad Politécnica de Chiapas, Carretera Tuxtla Gutiérrez, Portillo Zaragoza Km 21 + 500, Col. Las Brisas, Suchiapa CP. 29150, Chiapas, MexicoEnergy and Sustainability Academic Group, Universidad Politécnica de Chiapas, Carretera Tuxtla Gutiérrez, Portillo Zaragoza Km 21 + 500, Col. Las Brisas, Suchiapa CP. 29150, Chiapas, MexicoFacultad de Ingeniería, Universidad Autónoma de Querétaro, Querétaro CP. 76010, Querétaro, MexicoEnergy and Sustainability Academic Group, Universidad Politécnica de Chiapas, Carretera Tuxtla Gutiérrez, Portillo Zaragoza Km 21 + 500, Col. Las Brisas, Suchiapa CP. 29150, Chiapas, MexicoWind turbine blades in excessive wind conditions present extreme deflection problems. For this reason, an analysis of the structural response of composite reinforced box beams is developed. For this purpose, reinforced box beams were fabricated to improve the bending strength in the flapwise direction of the wind turbine blades. The box beams were analyzed with three-dimensional models using the Finite Element Method (FEM) and validated with bending tests at four-points and two-points. The box beam meets the characteristics of lightness and mechanical strength. Experimental four-point bending results showed that reinforced cross-sections decrease displacements by 30.09% and increase their stiffness to 43.41% for a box beam without structural reinforcement. In addition, the two-point bending results showed a difference of 18.98% between the displacements of the beams with structural reinforcements. In the FEM analysis, a maximum error of 11.24% was obtained when correlating the maximum displacement value with the experimental results of the beams.https://www.mdpi.com/2079-6439/11/12/99wind turbine bladebox beamcomposite materialsbending in two-points and four-points
spellingShingle Ofelia Maldonado-Santiago
Jose Billerman Robles-Ocampo
Eduardo Gálvez
Perla Yazmin Sevilla-Camacho
Sergio de la Cruz
Juvenal Rodríguez-Reséndiz
Edwin Hernández
Bending Behavior Analysis of Box Beams with the Reinforcement of Composite Materials for Wind Turbine Blades
Fibers
wind turbine blade
box beam
composite materials
bending in two-points and four-points
title Bending Behavior Analysis of Box Beams with the Reinforcement of Composite Materials for Wind Turbine Blades
title_full Bending Behavior Analysis of Box Beams with the Reinforcement of Composite Materials for Wind Turbine Blades
title_fullStr Bending Behavior Analysis of Box Beams with the Reinforcement of Composite Materials for Wind Turbine Blades
title_full_unstemmed Bending Behavior Analysis of Box Beams with the Reinforcement of Composite Materials for Wind Turbine Blades
title_short Bending Behavior Analysis of Box Beams with the Reinforcement of Composite Materials for Wind Turbine Blades
title_sort bending behavior analysis of box beams with the reinforcement of composite materials for wind turbine blades
topic wind turbine blade
box beam
composite materials
bending in two-points and four-points
url https://www.mdpi.com/2079-6439/11/12/99
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