期刊
APPLIED PHYSICS LETTERS
卷 97, 期 16, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3503609
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资金
- Ministry of Land, Transport, and Maritime of the Korean government through the Core Research Institute at Seoul National University [09CCTI-A052531-03]
This paper proposes a T-shaped piezoelectric cantilever for generating electric power from fluid flow. The working principle of the device is based on aeroelastic flutter and utilizes a bimorph cantilever with T-shape which hastens occurrence of flutter at a low fluid speed. A prototype device (100 x 60 x 30 mm(3)) was tested in a wind tunnel. The device was found to provide power from a wind speed of 4 m/s and a continuous peak electrical power output of 4.0 mW. The simplicity of the present device consisting of only a bimorph cantilever is considered to be cost effective. (C) 2010 American Institute of Physics. [doi:10.1063/1.3503609]
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