期刊
MECHANICAL SYSTEMS AND SIGNAL PROCESSING
卷 131, 期 -, 页码 649-658出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ymssp.2019.06.019
关键词
Energy harvester; Heat pipe; Optimization; Genetic algorithm; Vapor-induced vibration
资金
- Ministry of Science and Technology of the Republic of China [MOST 107-2221-E-024-010, MOST106-2218-E-167 -002-MY2]
Various energy harvesters were developed by several energy sources. In the heat pipe, the vapor momentum can be used to drive a mechanical structure to generate electricity. To bridge this gap, this study experimentally designed an energy harvester on the basis of a vapor-induced vibration for the innovative heat pipe application. The energy harvester, comprising a cantilever beam and polyvinylidene fluoride (PVDF), was designed using finite element method and the genetic algorithm (GA) to reach the resonance point. Copper, aluminum, and polyethylene (PE) were used as the material of the cantilever beam for the energy harvester. The optimized energy harvester was examined using a shocker, and obtained the output voltage. The output power of the harvester was affected by the vapor velocity, cantilever beam material, and natural frequency. The output voltages of the PVDF with the cantilever beam are better than the one of PVDF without the cantilever beam and it increased 367%, 393%, and 470%ascantilever beam is copper, aluminum, and polyethylene, respectively. The theoretical and practical implication, limitations of the present study for future studies are presented and studied. (C) 2019 Elsevier Ltd. All rights reserved.
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