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A High Efficient Piezoelectric Windmill using Magnetic Force for Low Wind Speed in Wireless Sensor Networks
- Authors
- Yang, Chan Ho; Song, Yewon; Jhun, Jeongpil; Hwang, Won Seop; Hong, Seong Do; Woo, Sang Bum; Sung, Tae Hyun; Jeong, Sin Woo; Yoo, Hong Hee
- Issue Date
- Dec-2018
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- Energy conversion; Energy harvesting; Piezoelectric materials; Wind; Wireless sensor networks
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.73, no.12, pp.1889 - 1894
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 73
- Number
- 12
- Start Page
- 1889
- End Page
- 1894
- ISSN
- 0374-4884
- Abstract
- An innovative small-scale piezoelectric energy harvester has been proposed to gather wind energy. A conventional horizontal-axis wind power generation has a low generating efficiency at low wind speed. To overcome this weakness, we designed a piezoelectric windmill optimized at low-speed wind. A piezoelectric device having high energy conversion efficiency is used in a small windmill. The maximum output power of the windmill was about 3.14 mW when wind speed was 1.94 m/s. Finally, the output power and the efficiency of the system were compared with a conventional wind power system. This work will be beneficial for the piezoelectric energy harvesting technology to be applied to the real world such as wireless sensor networks (WSN).
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- 서울 공과대학 > 서울 전기공학전공 > 1. Journal Articles
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