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Multi-physics simulation of a wind piezoelectric energy harvester validated by experimental results

机译:实验结果验证了风压电能量采集器的多物理场仿真

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The growing research interest coming from the wide diffusion of wireless micro sensors and small electronic devices has given input on several studies towards Energy Harvesting (EH) as possible alternative to their powering in untraditional way. In the EH field the use of piezoelectric materials is developing rapidly. In this scenery, the aim of this paper is to evaluate the experimental and simulated behaviour and performances of an energy harvester, with the shape of a piezoelectric cantilever beam, subjected to wind induced-vibrations. The mathematical model is described by the Navier-Stokes equations and the constitutive equations of piezoelectric materials. The experimental setup is simulated using the software Comsol Multiphysics.
机译:无线微型传感器和小型电子设备的广泛普及引起了越来越多的研究兴趣,这为能量收集(EH)的几项研究提供了投入,这可能是它们以非传统方式供电的替代方案。在EH领域,压电材料的使用正在迅速发展。在这种风景下,本文的目的是评估受风诱导振动影响的具有压电悬臂梁形状的能量采集器的实验和模拟行为及性能。数学模型由Navier-Stokes方程和压电材料的本构方程描述。实验设置是使用Comsol Multiphysics软件进行仿真的。

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