Mitsutoshi Natsumeda
Hitachi
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Publication
Featured researches published by Mitsutoshi Natsumeda.
IEEE Transactions on Applied Superconductivity | 2005
Takumi Ichihara; K. Matsunaga; Makoto Kita; Izumi Hirabayashi; Masayuki Isono; Makoto Hirose; Keiji Yoshii; Kazuaki Kurihara; Osamu Saito; Shinobu Saito; Masato Murakami; Hirohumi Takabayashi; Mitsutoshi Natsumeda; Naoki Koshizuka
Radial type superconducting magnetic bearings have been developed for a 10 kWh-class flywheel energy storage system. The bearings consist of an inner-cylindrical stator of YBCO bulk superconductors and an outer-rotor of permanent magnets. The rotor is suspended without contact via the pinning forces of the bulk superconductors that are arranged such that the c-axis of each superconductor is aligned parallel to the radial direction of the cylinder. In this paper, we describe the implementation of the stator part and report the SMB test results, namely that the rotor was successfully rotated at up to 7,500 rpm. Thus we succeeded in energy storage of 2.24 kWh.
Archive | 2008
Mitsutoshi Natsumeda; Yoshinori Takayama; Motoharu Shimizu
Archive | 2007
Yoshinori Takayama; Mitsutoshi Natsumeda; Kentaro Horisaka
Archive | 2008
Mitsutoshi Natsumeda; Yoshinori Takayama; Motoharu Shimizu
Archive | 2005
Mitsutoshi Natsumeda; Hirobumi Takabayashi; 充俊 棗田; 博文 高林
Archive | 1999
Hiromoto Hayashi; Nobuyuki Kitai; Mitsutoshi Natsumeda; 伸幸 北井; 博大 林; 充俊 棗田
Archive | 2003
Mitsutoshi Natsumeda; Hirofumi Takabayashi
Journal of Magnetism and Magnetic Materials | 2016
Yutaka Matsuura; Nobuyuki Kitai; Rintaro Ishii; Mitsutoshi Natsumeda; Jun Hoshijima; Futoshi Kuniyoshi
Archive | 2008
Nobuyuki Hirai; Mitsutoshi Natsumeda
Archive | 2008
Nobuyuki Hirai; Mitsutoshi Natsumeda
