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- Title
The Improvement of Performance through Minimizing Scallop Size in MEMS Based Micro Wind Turbine.
- Authors
Choi, Young Chan; Kim, June Soo; Kwon, Soon Yeol; Kong, Seong Ho
- Abstract
In this paper we report on the improvement of performance by minimizing scallop size through deep reactive-ion etching (DRIE) of rotors in micro-wind turbines based on micro-electro-mechanical systems (MEMS) technology. The surface profile of an MEMS rotor can be controlled by modifying the scallop size of the DRIE surface through changing the process recipe. The fabrication of a planar disk-type MEMS rotor through the MEMS fabrication process was carried out, and for the comparison of the improvements in the performance of each rotor, RPM testing and open circuit output voltage experiments of stators and permanent magnets were performed. We found that the smooth etching profile with a minimized scallop size formed using DRIE results in improved rotation properties in MEMS-based wind turbine rotors.
- Subjects
WIND turbines; SCALLOPS; OPEN-circuit voltage; MICROELECTROMECHANICAL systems; PERMANENT magnet motors; PERMANENT magnets; INDUCTION generators; OPTICAL disks
- Publication
Micromachines, 2021, Vol 12, Issue 10, p1261
- ISSN
2072-666X
- Publication type
Article
- DOI
10.3390/mi12101261