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Title: Comparative study of tip cross-sections for efficient galloping energy harvesting
Authors: Yang, Yaowen
Zhao, Liya
Tang, Lihua
Keywords: DRNTU::Engineering::Materials::Energy materials
Issue Date: 2013
Source: Yang, Y., Zhao, L., & Tang, L. (2013). Comparative study of tip cross-sections for efficient galloping energy harvesting. Applied Physics Letters, 102(6).
Series/Report no.: Applied physics letters
Abstract: This letter presents a comparative study of different tip cross-sections for small scale wind energy harvesting based on galloping phenomenon. A prototype device is fabricated with a piezoelectric cantilever and a tip body with various cross-section profiles (square, rectangle, triangle, and D-shape) and tested in a wind tunnel. Experimental results demonstrate the superiority of the square-sectioned tip for the low cut-in wind speed of 2.5 m/s and the high peak power of 8.4 mW. An analytical model is established and verified by the experimental results. It is recommended that the square section should be used for small wind galloping energy harvesters.
ISSN: 0003-6951
DOI: 10.1063/1.4792737
Schools: School of Civil and Environmental Engineering 
Rights: © 2013 American Institute of Physics. This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of American Institute of Physics. The paper can be found at the following official DOI: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:CEE Journal Articles

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