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Modeling, Simulation and Analysis of Intermediate Fixed Piezoelectric Energy Harvester

Author

Listed:
  • Yulong Wang

    (School of Mechanical and Power Engineering, Henan Polytechnic University, Jiaozuo 454000, China)

  • Yaran Lv

    (School of Mechanical and Power Engineering, Henan Polytechnic University, Jiaozuo 454000, China)

  • Baozhan Lv

    (School of Mechanical and Power Engineering, Henan Polytechnic University, Jiaozuo 454000, China)

  • Ying Zhang

    (Office of Educational Research, Shandong Traffici Technician College, Linyi 276000, China)

Abstract

To address the problem that piezoelectric energy harvesters are difficult to apply in certain environments, this paper establishes the theoretical study of the intermediate fixed disc piezoelectric energy harvester (IFDPEH) based on the unimorph under concentrated force. The reliability of the model was indirectly verified by numerical simulation and Computer-Aided Engineering (CAE) simulation. The effects of load, radius ratio (piezoelectric layer/intermediate support), thickness ratio (piezoelectric layer/total thickness), and elastic modulus ratio (substrate/piezoelectric layer) on electrical energy were studied. The results indicate that the radius/thickness ratios of the IFDPEH based on aluminum and beryllium bronze are 0.05/0.31 and 0.05/0.48, respectively. In addition, through parameter comparison, it is found that the most important parameters affecting IFDPEH power are radius ratio and large load. The results are demonstrated to be meaningful for broadening the application of piezoelectric energy harvesters by the derived closed-form equations for the electrical energy along the diameters of the piezoelectric discs in the z-direction.

Suggested Citation

  • Yulong Wang & Yaran Lv & Baozhan Lv & Ying Zhang, 2022. "Modeling, Simulation and Analysis of Intermediate Fixed Piezoelectric Energy Harvester," Energies, MDPI, vol. 15(9), pages 1-13, April.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:9:p:3294-:d:806656
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    References listed on IDEAS

    as
    1. Doaa Al-Yafeai & Tariq Darabseh & Abdel-Hamid I. Mourad, 2020. "A State-Of-The-Art Review of Car Suspension-Based Piezoelectric Energy Harvesting Systems," Energies, MDPI, vol. 13(9), pages 1-39, May.
    2. Du, Xiaozhen & Zhang, Mi & Chang, Heng & Wang, Yu & Yu, Hong, 2022. "Micro windmill piezoelectric energy harvester based on vortex-induced vibration in tunnel," Energy, Elsevier, vol. 238(PA).
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