THERMAL SCIENCE

International Scientific Journal

Tianyu Long

,

Xiaodong Chen

,

Li Qiu

,

Jia Han

,

Qi Jing Dong

WIND TURBINE BLADES WITH HYBRID FIBER COMPOSITE: TENSILE PROPERTIES AND NUMERICAL VERIFICATION

ABSTRACT
Wind turbine blades are the main component of wind turbines to capture effective wind energy, and require good quality and reliable performance. Therefore, the manufacturing cost of wind turbine blades is much higher than that of other components of wind turbines. The blade is a slender elastomer prone to vibration. The wind turbine vibration always arises in the blade instability. At the same time, the blade is also a typical aerodynamic component. In the process of rotation, it will not only produce mechanical vibration but also bear aerodynamic force. In this paper, the mechanical properties and modal numerical simulation analysis of composite blades with different hybrid ratios of carbon fiber and glass fiber are analyzed, it is found that with the increase of carbon fiber content, the mechanical properties of the blade gradually increase, and the torsional vibration resistance of the blade become stronger. Therefore, the wind turbine blades of hybrid fiber composites have a longer service life, which can reduce material wastage and help protect the environment.
KEYWORDS
small wind turbine, composite materials, modal simulation, hybrid fiber, pultrusion process
PAPER SUBMITTED: 2022-10-14
PAPER REVISED: 2023-05-16
PAPER ACCEPTED: 2023-05-24
PUBLISHED ONLINE: 2024-05-18
DOI REFERENCE: https://doi.org/10.2298/TSCI2403109L
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2024, VOLUME 28, ISSUE Issue 3, PAGES [2109 - 2114]
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Wind turbine blades with hybrid fiber composite: Tensile properties and numerical verification

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence