Piezoelectric vibration energy harvesting device based on water sloshing-inspired extensions
Source abstract
Abstract
Inspired by shallow-water sloshing in a moving tank, a novel type of vibration-based piezoelectric energy harvesting device composed of a piezoelectric bimorph beam and an extension tank is proposed in this paper. The structure and working principle of the proposed device are provided. Then, the effects of different heights of water filling in the tank on the performances of the harvester are studied and analyzed. Experiments are set up to investigate the actual device performance by changing the base excitation frequency and load resistance for different water heights. The results show that by modulating the water height, the resonant frequency and bandwidth can be adjusted, which can enhance the energy harvesting performance of the device at different ambient vibration frequencies. This study provides some clues to improve the performance of the vibration-based energy harvesting devices.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Innovative Energy Harvesting Technologies · Advanced Sensor and Energy Harvesting Materials · Energy Harvesting in Wireless Networks
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Mechanical and Energy Engineering, Zhejiang University of Science and Technology 1 , Hangzhou, Zhejiang 310023, China
School of Mechanical Engineering, Hangzhou Dianzi University 2 , Hangzhou, Zhejiang 310018, China
Funding
National Natural Science Foundation of China · Natural Science Foundation of Zhejiang Province
References (22)
Show source-provided references
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