Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Harehiko Nomura"'
Autor:
K. Kaiho, S. Higuchi, Hirotaka Yamaguchi, H. Natori, Kazuaki Arai, Seiji Sekine, Itaru Ishii, Hiroshi Tateishi, Harehiko Nomura, S. Fuchino
Publikováno v:
Ultrasonics. 40:313-316
Combination of the superconductor and high conductive normal metal is now indispensable in the practical use of superconducting magnet. And the binding property of both materials is one of the key points whether superconductive characteristics are fu
Autor:
S. Fuchino, Katsuyuki Kaiho, Seiji Sekine, Hiroshi Tateishi, Naotake Natori, N. Tamada, Kazuhiro Kajikawa, Kazuaki Arai, Noboru Higuchi, Harehiko Nomura, Itaru Ishii
Publikováno v:
IEEJ Transactions on Power and Energy. 117:424-430
Autor:
Katsuyuki Kaiho, Toshitada Onishi, Itaru Ishii, Noboru Higuchi, Kazuaki Arai, Harehiko Nomura, Hiroshi Tateishi, Seiji Sekine, Naotake Natori
Publikováno v:
Applied Superconductivity. 1:1731-1740
Stabilities of magnets in a high gravitational field up to 2000G at a rotating speed of 3, 600rpm, are studied to establish the fundamental design criterion of field windings of superconducting generators. It is clarified that magnet stability is gre
Autor:
Harehiko Nomura, Toshitada Onishi, S. Fuchino, Katsuyuki Kaiho, Seiji Sekine, Kazuaki Arai, Toshiyuki Aiba, Itaru Ishii, Kazuhiro Kajikawa, Hiroshi Tateishi, Mikio Kumagai, Naotake Natori, N. Tamada, Noboru Higuchi
Publikováno v:
TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan). 28:639-646
In order to measure the minimum propagating current of the composite superconductor, heater wire is usually wound around the superconductor to heat it up and make a small normal zone. Usually this heater wire is thermally insulated from helium by epo
Autor:
Katsuyuki KAIHO, Noboru HIGUCHI, Itaru ISHII, Hiroshi TATEISHI, Harehiko NOMURA, Naotake NATORI, Kazuaki ARAI, Seiji SEKINE, Toshitada ONISHI, Mikio KUMAGAI, Toshiyuki AIBA
Publikováno v:
TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan). 27:555-562
Autor:
Hiroshi Tateishi, Mikio Kumagai, H. Higuchi, Katsuyuki Kaiho, T. Imura, Itaru Ishii, Kazuaki Arai, Harehiko Nomura, T. Onishi
Publikováno v:
Cryogenics. 31:668-673
An outline is given of a constructed model rotor and the preliminary experimental results are described. The model rotor was excited up to a rated current of 2000 A without training. The normal zone propagating velocities were measured in a rotating
Autor:
Kazuaki Arai, Harehiko Nomura, Noboru Higuchi, M. Inukai, T. Onishi, K. Kaiho, Itaru Ishii, Hiroshi Tateishi, K. Satoh
Publikováno v:
Cryogenics. 31:664-667
A superconducting test rotor was constructed and the transient stabilities of the field windings were studied. They were evaluated at various centrifugal accelerations up to 2000 g and it was found that the field windings with bare strands were extre
Autor:
Itaru Ishii, Hiroshi Tateishi, Mikio Kumagai, Noboru Higuchi, Naotake Natori, Toshiyuki Aiba, Seiji Sekine, Toshitada Onishi, Kazuaki Arai, Harehiko Nomura, Katsuyuki Kaiho, Yoichi Kimura
Publikováno v:
TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan). 26:502-507
Stabilities and heat flux in liquid helium in a high gravitational field up to 2, 000G at a rotating speed of 3, 600rpm, are studied to establish the fundamental design criterion of field windings of superconducting generators. It is clarified that m
Autor:
Noboru Higuchi, Toshitada Onishi, Katsuyuki Kaiho, Itaru Ishii, Hiroshi Tateishi, Harehiko Nomura, Kazuaki Arai
Publikováno v:
TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan). 26:311-316
Heat flux in liquid helium in a rotating superconducting magnet was measured under the rotational speeds of 500 to 3, 600rpm in order to help analyzing the stability of field winding of superconducting turbine generators. Maximum centrifugal accelera
Publikováno v:
Electrical Engineering in Japan. 111:99-107
Since superconducting magnetc (SCM) are going to be indispensable for magnetic levitated trains, nuclear fusion, magnetic resonance imaging, rotational machines, etc., great reliance must be placed on their repetitional operations. However, without a