Rupesh Patel
Simply-supported multi-layered beams for energy harvesting
Patel, Rupesh; Tanaka, Yoshikazu; McWilliam, Stewart; Mutsuda, Hidemi; Popov, Atanas A.
Authors
Yoshikazu Tanaka
STEWART MCWILLIAM STEWART.MCWILLIAM@NOTTINGHAM.AC.UK
Associate Professor
Hidemi Mutsuda
Atanas A. Popov
Abstract
This paper develops an analytical model for predicting the performance of simply-supported multi-layered piezoelectric vibrating energy harvesters. The model includes the effects of material and geometric nonlinearities, as well as axial pre-tension/compression, and is validated against experimental devices for a large range of base accelerations. Numerical and experimental investigations are performed to understand the benefits of using simply supported devices compared to cantilevered devices. Comparisons are made in an unbiased manner by tuning the resonant frequency to the same value by modifying the geometry, and the results obtained indicate that simply supported devices are capable of generating higher voltage levels than cantilever devices. The model is also used to investigate the benefits of using multi-layered devices to improve power density. Depending on harvester composition, power-per-unit-volume of piezoelectric material for a device is increased through the stacking of layers.
Citation
Patel, R., Tanaka, Y., McWilliam, S., Mutsuda, H., & Popov, A. A. (2017). Simply-supported multi-layered beams for energy harvesting. Journal of Intelligent Material Systems and Structures, 28(6), https://doi.org/10.1177/1045389X16657418
Journal Article Type | Article |
---|---|
Acceptance Date | May 20, 2016 |
Online Publication Date | Aug 1, 2016 |
Publication Date | Apr 1, 2017 |
Deposit Date | Sep 14, 2017 |
Publicly Available Date | Sep 14, 2017 |
Journal | Journal of Intelligent Material Systems and Structures |
Print ISSN | 1045-389X |
Electronic ISSN | 1045-389X |
Publisher | SAGE Publications |
Peer Reviewed | Peer Reviewed |
Volume | 28 |
Issue | 6 |
DOI | https://doi.org/10.1177/1045389X16657418 |
Keywords | Energy harvesting materials, Non-linearity, Piezoelectric beam, Multi-layered beam, Axial pre-tension/compression, Performance optimisation |
Public URL | https://nottingham-repository.worktribe.com/output/853997 |
Publisher URL | http://journals.sagepub.com/doi/10.1177/1045389X16657418 |
Files
POPOV-IJIMSS-2017.pdf
(2.5 Mb)
PDF
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