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JANOWSKI, Tadeusz ; STRYCZEWSKA, Danuta ; MASTALARCZUK, Maciej ; Yamada, Sotochi ; Bessho, Kazuo ; 山田, 外史 ; 別所, 一夫
概要:
There are certain requirements of the supplying system which need to be satisfied to obtain the good performance of a plasma reactor. Thus the system should ensure the high-voltage output, increased frequency and current limiting
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facility. This paper shows some example results of analysis of a magnetic frequency quintupler and a short description of used method. Presented supplying system seems to fulfill the requirements given by a plasma reactor of considered type.
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JANOWSKI, Tadeusz ; STRYCZEWSKA, Damueta ; CZERWINSKI, Dariusz ; Yamada, Sotochi ; Bessho, Kazuo ; 山田, 外史 ; 別所, 一夫
概要:
Plasma reactors demand unique requirements of their power sources such as high-voltage output, variable frequency and a current limiting capability. This paper shows a new means of providing power to a plasma reactor based on a
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magnetic frequency tripler and transformer. The integration of the tripler and transformer allows one to obtain improved operating characteristics and power utilization compared to othr conventional types of power sources.
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別所, 一夫 ; 山田, 外史 ; Bessho, Kazuo ; Yamada, Sotoshi
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金沢大学理工研究域電子情報学系
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山田, 外史 ; 別所, 一夫 ; 原田 耕介 ; Yamada, Sotoshi ; Bessho, Kazuo ; Harada, Kosuke
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金沢大学理工研究域電子情報学系
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別所, 一夫 ; 山田, 外史 ; Bessho, Kazuo ; Yamada, Sotoshi
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金沢大学理工研究域電子情報学系
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吉元, 武 ; 山田, 外史 ; 別所, 一夫 ; Yoshimoto, Takeshi ; Yamada, Sotoshi ; Bessho, Kazuo
概要:
金沢大学理工研究域電子情報学系
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山田, 外史 ; 魯, 軍偉 ; 別所, 一夫 ; 吉元, 武 ; Yamada, Sotoshi ; Lu, Junwei ; Bessho, Kazuo ; Yoshimoto, Takeshi
概要:
金沢大学理工研究域電子情報学系
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山田, 外史 ; 橋口, 敬 ; 細野, 隆次 ; 山本, 博 ; 別所, 一夫 ; 上野, 照剛 ; 谷本, 能文 ; Yamada, Sotoshi ; Hashiguchi, Takashi ; Hosono, Ryuji ; Yamamoto, Hiroshi ; Bessho, Kazuo ; Ueno, Shoogo ; Tanimoto, Yoshifumi
概要:
金沢大学理工研究域電子情報学系<br />Electromagnetic devices such as superconducting magnets, magnetically levitated vehicles and magnet
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ic resonance imaging(MRI) create strong magnetic fields within their immediate vicinity. This has generated some concerns over the effects that these fields may have on the outside environment and in particular on living organisms. 50/60Hz magnetic fields are of special concern because living organisms are exposed to them on a continuing basis.We investigate the influence of a strong 60Hz AC magnetic field of 1.2T on organisms. The high AC magnetic field is generated by using a multilayer eddy-current type AC magnetic generator developed in our laboratory. In this paper, in vitro experiments were performed with biochemical reactions, enzyme and restriction endonuclese activities.As a result, the magnetic field inhibited catalase activity slightly only in biochemical reactions. Other reactions such as β-galactosidase activity and restriction endonuclese activity were not influenced at all. The results suggest that high 60Hz AC magnetic fields may influence biological functions in some organisms.
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別所, 一夫 ; 山田, 外史 ; 金丸 保典 ; Bessho, Kazuo ; Yamada, Sotoshi ; Kanamaru, Yasunori
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金沢大学理工研究域電子情報学系
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Bessho, Kazuo ; Yamada, Sotoshi ; Kooto, M. ; Masahashi, M. ; Nakano, Masachika
概要:
This paper deals with the performance characteristics of a new ac high magnetic field generator based on the effect of eddy currents. We have proposed a new ac high magnetic field generator and have obtained magnetic fields up to 15 T at 60
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Hz. The proposed structure consists of layers of exciting coils and conductors built in concentric circles. The eddy currents in the conductor flow close to the hole in the conductor. The magnetic flux induced by the eddy currents is concentrated within the hole, and an ac high magnetic field is produced. A procedure for estimating the optimum shape and number of layers required to increase the concentration effect, together with a design of the colling system necessary for continuous operation, is presented.
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