2013 Fiscal Year Final Research Report
Basic design of adjusting methods on indoor electromagnetic wave absorber using powder-type magnetic wood
Project/Area Number |
21360124
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Research Category |
Grant-in-Aid for Scientific Research (B)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Power engineering/Power conversion/Electric machinery
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Research Institution | Iwate University |
Principal Investigator |
OKA Hideo 岩手大学, 工学部, 教授 (50091640)
|
Co-Investigator(Kenkyū-buntansha) |
SEKINO Noboru 岩手大学, 農学部, 教授 (30171341)
MUKAIGAWA Seiji 岩手大学, 工学部, 准教授 (60333754)
MIURA Kenji 岩手大学, 工学部, 助教 (90361196)
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Research Collaborator |
KUBOTA Kenji 岩手大学, 岡研究室, 高周波技術アドバイザー
NAMIZAKI Yasuji 岩手県工業技術センター, 首席専門研究員兼環境技術部長
DAWSON Francis P. University Toronto, Professor
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Project Period (FY) |
2009-04-01 – 2014-03-31
|
Keywords | 磁性木材 / 複合材料 / 電波吸収体 / 磁気応用 / 高周波 / リサイクル / 木質材 / 竹材 |
Research Abstract |
To improve a comfortable residential environment under the increasing electro-magnetic environment, a woody electromagnetic wave absorber is one possible approach to solving the unwanted radiation or to reduce its impact on the surrounding area. The basic design of adjusting methods on indoor electro-magnetic wave absorber concerning about material constants and electromagnetic absorption characteristic is examined and the methods give good results to design indoor powder-type magnetic wood wave absorbers for a specified absorp-tion frequency. The two methods are proposed, one is a method to impregnate magnetic fluid to wood powder and the other is to heat the powder type magnetic wood in low temperature. Both methods change permittivity and can shift the matching frequency without changing the thickness and the weight of the board. The results from our studies can be used to design indoor powder-type magnetic wood wave absorbers for a specified absorption frequency.
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Research Products
(30 results)