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Piezoelectric energy harvester composite under dynamic bending with implementation to aircraft wingbox structure

机译:在动态弯曲下的压电能量收割机复合与飞机Wingbox结构的动态弯曲

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摘要

In this paper, an investigation on the energy harvesting exerted by the dynamic bending responses of a piezoelectric embedded wingbox is presented. An innovative hybrid mathematical/computational scheme is built to evaluate the energy harvested by a mechanical system. The governing voltage differential equations of the piezoelectric composite beam are coupled with the finite element method output. The scheme is able of evaluating various excitation forms including dynamic force and base excitation. Thus, it provides the capability to analyse a complicated structure with a more realistic loading scenario. Application to the simulation of a notional jet aircraft wingbox with a piezoelectric skin layer is shown in some detail. The results pointed out that the electrical power generated can be as much as 25.24 kW for a 14.5 m wingspan. The capabilities and robustness of the scheme are shown by comparison with results from the literature.udud
机译:本文对压电嵌入式翼盒的动态弯曲响应所产生的能量收集进行了研究。建立了创新的数学/计算混合方案,以评估机械系统收集的能量。压电复合梁的控制电压微分方程与有限元方法输出耦合。该方案能够评估各种激励形式,包括动力和基础激励。因此,它提供了使用更现实的加载方案分析复杂结构的能力。详细显示了在具有压电蒙皮层的概念性喷气飞机机翼盒的仿真中的应用。结果指出,对于14.5 m的翼展,所产生的电能可高达25.24 kW。通过与文献结果进行比较,显示了该方案的功能和鲁棒性。

著录项

  • 作者

    M. Akbar; J.L. Curiel-Sosa;

  • 作者单位
  • 年度 2016
  • 总页数
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类

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