期刊名称：Advances in Science and Technology Research Journal
印刷版ISSN：2080-4075
电子版ISSN：2299-8624
出版年度：2020
卷号：14
期号：2
页码：67-75
DOI：10.12913/22998624/118201
语种：English
出版社：Society of Polish Mechanical Engineers and Technicians
摘要：The availability of some form of energy is essential for the human survival and social development. However, theway energy has been generated within the last century has brought forward the quest for the generation of energywithout polluting the environment, which is nowadays considered to be the greatest global challenge. The materials used for wind turbine blades can be classifed under this challenge of polluting the environment. One of thematerials expected to reduce this problem is natural fber reinforced composite (FRC). Thus, the focus of this paperwas to evaluate the potential of different natural FRC materials for small wind turbine blade application. Elevendifferent natural fbers reinforced composite in epoxy resin were studied. A modifed Halphin-Tsai semi-empiricalmodel was used to compute the physical properties of the composites, since it has a good agreement with the experimental results. Stress, deformation, and weight of wind turbine blade under different loadings were analyzedaimed to search for a fber type that may extend the life span of the blade. Finally, flap wise and edge wise, thelongitudinal and torsional natural frequencies were computed numerically by using the fnite element method inthe Qblade software (QFEM) under different mode types and the effects were analysed. Upon comparing the results with a common composite material for wind turbine blade (E-glass/epoxy), it was observed that the selectednatural fber composites have equivalent and better mechanical performance. The environmental friendliness ofnatural fbers, i.e. biodegradability, constitutes their advantage as materials of wind turbine blades.
