Material selection and parametric modelling of laminated composite beam for piezoelectric energy harvesting

IF 0.5 4区 材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY
S. K. Panda, Jithendra Srinivas
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引用次数: 0

Abstract

Presently, energy harvesting from natural sources is one of the hot-spot areas for actuating the micropower devices used in electronics and instrumentation. The performance and potential of energy harvesting systems depend on the geometry of the structure and properties of the materials employed. The present work focuses on the effect of piezoelectric materials on the structural and electrical characteristics. A three-dimensional finite element analysis is implemented to investigate the power output from a vibrating cantilever beam with three different types of piezoelectric materials namely lead zirconate titanate (PZT-5H), polyvinylidene fluoride (PVDF) and zinc oxide (ZnO). It was observed that the power output strongly depends on the material properties and geometric parameters of piezoelectric patches mounted on the cantilever substrate. To this end, the area and thickness ratio of the laminated beams are varied to understand its effect on the natural frequencies and the electric power output. The output energy increases with an increase in the area of the piezoelectric patch. A similar trend is observed in the case of the thickness ratio. PZT-5H has shown more energy harvesting potential for the same geometrical configurations.
压电能量收集层合梁材料选择及参数化建模
目前,从自然资源中获取能量是驱动电子和仪器仪表微功率器件的热点领域之一。能量收集系统的性能和潜力取决于所采用材料的几何结构和性能。本文主要研究了压电材料对结构和电学特性的影响。采用三维有限元方法研究了三种不同压电材料(锆钛酸铅(PZT-5H)、聚偏氟乙烯(PVDF)和氧化锌(ZnO))对悬臂梁振动输出功率的影响。结果表明,压电片的材料性能和几何参数对输出功率的影响很大。为此,改变层合梁的面积和厚度比,以了解其对固有频率和电力输出的影响。输出能量随压电片面积的增加而增加。在厚度比的情况下也观察到类似的趋势。PZT-5H在相同的几何结构下显示出更多的能量收集潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
International Journal of Materials & Product Technology
International Journal of Materials & Product Technology 工程技术-材料科学:综合
CiteScore
0.80
自引率
0.00%
发文量
61
审稿时长
8 months
期刊介绍: The IJMPT is a refereed and authoritative publication which provides a forum for the exchange of information and ideas between materials academics and engineers working in university research departments and research institutes, and manufacturing, marketing and process managers, designers, technologists and research and development engineers working in industry.
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