Performance Evaluation of Magnetostrictive Small Wind Turbines Using Fe–Co Alloy–Based Clad Sheets

Author:

Ueno Toshiki1,Nakaki Takeru1,Mukogawa Taisei2,Dong Shuonan2,Kurita Hiroki1,Otsuka Keisuke2,Makihara Kanjuro2,Narita Fumio1ORCID

Affiliation:

1. Graduate School of Environmental Studies Tohoku University 6-6-02, Aramaki Aza Aoba, Aoba-ku Sendai Miyagi 980-8579 Japan

2. Department of Aerospace Engineering Tohoku University 6-6-01, Aramaki Aza Aoba, Aoba-ku Sendai Miyagi 980-8579 Japan

Abstract

In this study, the Fe–Co alloy is combined with cobalt ferrite (CoFe2O4) and nickel (Ni) to form Fe–Co/CoFe2O4 and Fe–Co/Ni clad sheets and their energy‐harvesting performance is evaluated. The Fe–Co/CoFe2O4 clad sheet exhibits an output voltage of 4.229 mV and an output power of 6.89 nW at a wind speed of 10 m s−1. The energy‐harvesting performance of both these clad sheets cannot be quantitatively compared owing to their different thicknesses, which result in varying volume and distance from the neutral plane. Nevertheless, the values of output voltage and power for Fe–Co/CoFe2O4 are higher than those for Fe–Co/Ni (2.107 mV and 0.294 nW).

Funder

Japan Society for the Promotion of Science

Publisher

Wiley

Subject

Condensed Matter Physics,General Materials Science

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