| Issue |
E3S Web Conf.
Volume 336, 2022
The International Conference on Energy and Green Computing (ICEGC’2021)
|
|
|---|---|---|
| Article Number | 00047 | |
| Number of page(s) | 7 | |
| DOI | https://doi.org/10.1051/e3sconf/202233600047 | |
| Published online | 17 January 2022 | |
Modeling and simulation of piezoelectric generator with indirect contact excited by vortex-induced vibration
1 LGM, Faculté des Sciences et Techniques de Fès, Université Sidi Mohamed Ben Abdellah, Maroc. hajar.mazar2@usmba.ac.ma, bouchra.rzine@usmba.ac.ma.
2 LPFAS, Faculté Poly-Disciplinaire Safi, Université Cadi Ayyad, Maroc. saida.bahsine@yahoo.com
3 IMSM, Ecole Nationale Supérieure des Arts et Métiers de Meknès, Université Moulay Ismaïl, Maroc. m.radouani@ensam-umi.ac.ma b.elfahime@ensam-umi.ac.ma, m.elgadari@ensam-umi.ac.ma.
* Corresponding author: hajar.mazar2@usmba.ac.ma
In the last years, the new research papers piezoelectric energy harvesting from vortex-induced vibration (PEH-VIV) are focused on indirect contact between airflow and piezoelectric transducer. Where some researchers have noticed that is difficult to establish an accurate analytical model that could describe precisely the behavior of the piezoelectric generator including the indirect interaction with airflow. Due to these difficulties, new studies are concentrating directly on the experimental investigations to get results of energy harvesters of the indirect-contact piezoelectric wind energy harvesters (IC-PWEHs). However, this paper presents an analytical model that can provide good results according to experimental tests. The obtained results concern the displacement of the piezoelectric transducer indirectly excited by a vortex-induced vibration (VIV) and the generated voltage according to a different mass of cylindrical shell. The numerical results of the model show a significant agreement with the experimental results due to the good estimation of the system’s parameters, where the computing is done numerically using the MATLAB Simulink. Additionally, the optimal mass value of the piezoelectric transducer was determined approximately by the proposed analytical model. Where this mass is equivalent to the highest voltage amplitude according to the experimental tests.
© The Authors, published by EDP Sciences, 2022
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