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A direction-parallel piezoelectric wind-induced vibration energy harvester with the transducer movement oriented toward wind direction for pipeline energy harvesting

Author

Listed:
  • Lin, Shijie
  • Kan, Junwu
  • He, Chenyang
  • Yu, Yiyong
  • Yang, Zemeng
  • Zhang, Li
  • Fu, Jiawei
  • Zhang, Zhonghua

Abstract

To meet the demand for energy harvesting from pipelines with limited radial space, a direction-parallel piezoelectric wind-induced vibration energy harvester with the transducer movement oriented toward wind direction (DP-PWEH) was proposed in this paper. The DP-PWEH with a spoiler utilized the coupling effect between the spoiler and the fluid in the pipeline to achieve the transducer movement oriented toward wind direction and then power generation. The DP-PWEH was characterized by a shell package structure, which isolated the piezoelectric beam from the fluid environment, thereby improving its reliability. What's more important, unlike the most traditional piezoelectric wind-induced vibration energy harvesters, DP-PWEH's transducer movement was oriented toward wind direction, which could meet the limited radial space requirement of the pipeline. Herein, the feasibility of the structure and principle regarding the DP-PWEH was proved theoretically and experimentally. It was found that the DP-PWEH could work at different flow velocities by adjusting precompression and proof mass. Moreover, the results indicated that each diameter ratio corresponded to an optimal flow velocity, which decreased as the diameter ratio increased, and the diameter ratio of 0.93 could enable the peak voltage to reach its highest. With this diameter ratio, the achieved maximum output power could be up to 1.25 mW under an optimal load resistance of 240 kΩ. Furthermore, the DP-PWEH could not only illuminate a minimum of 50 LEDs but also power a temperature sensor. Therefore, the DP-PWEH will provide a reference regarding structural design for PWEH used in pipeline energy harvesting.

Suggested Citation

  • Lin, Shijie & Kan, Junwu & He, Chenyang & Yu, Yiyong & Yang, Zemeng & Zhang, Li & Fu, Jiawei & Zhang, Zhonghua, 2025. "A direction-parallel piezoelectric wind-induced vibration energy harvester with the transducer movement oriented toward wind direction for pipeline energy harvesting," Energy, Elsevier, vol. 319(C).
    • Handle: RePEc:eee:energy:v:319:y:2025:i:c:s036054422500670x
    DOI: 10.1016/j.energy.2025.135028
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