Development of electrical generator using ferromagnetic powders and non-magnetic fluid

Shirai, Haruhiko; Mitamura, Hiromichi; Noda, Takuji; Arai, Nobuaki; Moriya, K.

doi:10.1088/1742-6596/1052/1/012139

Cited by 1 publication

(1 citation statement)

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“…In the electrical generator of this study, it is thought that the behavior of the fluid and the direction of magnetic induction and the magnetic flux greatly contribute to electrical generation [54]. Therefore, the efficiency of the electrical generation was considered by analyzing the magnetic flux distribution of the electromagnetic permanent magnet and using the data to generate a computer simulation [55].…”

Section: Simulating Motion Of Generator Contentsmentioning

confidence: 99%

Study of Energy Harvesting from Low-Frequency Vibration with Ferromagnetic Powder and Non-magnetic Fluid

et al. 2019

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The movement of the creature and the almost wave in the ocean is a low vibration of random energy with a frequency range of 0.1-10 Hz. Because of its low frequency, the opinion has been that electrical energy generation from this low-frequency wave motion through the electromagnetic induction method is difficult. In this study, an electrical generator was created by the electromagnetic induction method by putting a small mass of ferromagnetic powder in nonmagnetic fluid. A broadband vibration energy harvesting model was created in which vibrations are broadened through a multi-degree of freedom oscillation system using ferromagnetic powder. To generate electricity from low-frequency vibrations (1 Hz or less), a non-resonant type model was created by adding fluid to the ferromagnetic powder model and the simulation results confirmed using computational fluid dynamics by creating a working energy harvesting device.

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Section: Simulating Motion Of Generator Contentsmentioning

confidence: 99%