In this paper, a hydroelectric power generator that can extract the water flow energy from the hydroelastic response of an elastically supported rectangular wing is experimentally investigated. An electric motor is used to excite pitching oscillations of the wing. The wing and the electric motor are supported by leaf springs that are designed to function both as a linear guide for the sway oscillations and as elastic elements. The wing mass in the sway direction necessary to achieve a hydroelastic response is obtained by utilizing a mechanical snubber mechanism. The load to generate electricity is provided equivalently by magnetic dampers. In a previous paper, the power generation rate and the efficiency of a single-wing model were examined through experiments, and the feasibility of a flapping wing hydroelectric power generator was verified. In this paper, the influence of neighboring wings is examined by using two experimental apparatuses with the intention of achieving a practical cascade-wing generator. Tests showed that a cascade moving in-phase with neighboring wings with smaller gaps between the wings has a higher rate of electric power generation.
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ASME 2011 Power Conference collocated with JSME ICOPE 2011
July 12–14, 2011
Denver, Colorado, USA
Conference Sponsors:
- Power Division
ISBN:
978-0-7918-4460-1
PROCEEDINGS PAPER
Experimental Study on a Cascade Flapping Wing Hydroelectric Power Generator
Hisanori Abiru,
Hisanori Abiru
Fukuoka Institute of Technology, Fukuoka, Japan
Search for other works by this author on:
Akira Yoshitake
Akira Yoshitake
Kyushu University, Fukuoka, Japan
Search for other works by this author on:
Hisanori Abiru
Fukuoka Institute of Technology, Fukuoka, Japan
Akira Yoshitake
Kyushu University, Fukuoka, Japan
Paper No:
POWER2011-55364, pp. 537-543; 7 pages
Published Online:
February 28, 2012
Citation
Abiru, H, & Yoshitake, A. "Experimental Study on a Cascade Flapping Wing Hydroelectric Power Generator." Proceedings of the ASME 2011 Power Conference collocated with JSME ICOPE 2011. ASME 2011 Power Conference, Volume 2. Denver, Colorado, USA. July 12–14, 2011. pp. 537-543. ASME. https://doi.org/10.1115/POWER2011-55364
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