Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Akinobu Nakai"'
Autor:
Takato Masuda, Masaru Kiuchi, Akinobu Nakai, Yuji Aoki, Teruo Matsushita, Shinichi Mukoyama, Gen Nishijima
Publikováno v:
IEEE Transactions on Applied Superconductivity. 31:1-4
The Japanese national project started on standardization of the test method of the DC critical current of superconducting cables. A round robin test of critical current measurement is carried out to survey underlying problems for the standardization.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1759d9d1c78fa696dcd7fdab4f88b6eb
https://doi.org/10.1109/tasc.2021.3058232
https://doi.org/10.1109/tasc.2021.3058232
Autor:
Shinichi Mukoyama, Shinji Matsumoto, Hisaki Sakamoto, Kazuyoshi Saito, Akinobu Nakai, Gen Nishijima, Yasuyuki Miyoshi, Mamoru Hamada
Publikováno v:
IEEE Transactions on Applied Superconductivity. 29:1-5
We are developing a cryocooled (RE)Ba2Cu3O7 (REBCO; RE = rare earth) persistent-mode superconducting magnet system that generates 1 T with multiple superconducting joints. In parallel to the design of the system, we have investigated transport charac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::023c0e44e5a32ea462b9ddd22de76586
https://doi.org/10.1109/tasc.2019.2907713
https://doi.org/10.1109/tasc.2019.2907713
Autor:
Mamoru Hamada, Shinji Matsumoto, Akinobu Nakai, Shinich Mukoyama, Kazuyoshi Saito, Gen Nishijima, Yasuyuki Miyoshi, Hisaki Sakamoto
Publikováno v:
IEEE Transactions on Applied Superconductivity. 29:1-5
The technological development for a 3-T high-temperature superconducting (HTS) magnetic resonance imaging (MRI) magnet is underway. The 3-T HTS MRI magnet is imaged such that RE(= Rare Earth)Ba 2 Cu 3 O 7-δ (REBCO) coils are installed and cooled usi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2468641c11c891da597dbe8547017353
https://doi.org/10.1109/tasc.2019.2903392
https://doi.org/10.1109/tasc.2019.2903392
Autor:
Shinichi Mukoyama, Mamoru Hamada, Akinobu Nakai, Gen Nishijima, Shinji Matsumoto, Ryusuke Nakasaki, Kazuyoshi Saito, Hisaki Sakamoto, Yasuyuki Miyoshi
Publikováno v:
IEEE Transactions on Applied Superconductivity. 28:1-5
Recent development in the superconducting REBCO joints is an encouraging prospect for realizing an HTS magnet in persistent current mode operation. In our ongoing project, we are developing a cryocooled 1 T REBCO magnet system with joints to demonstr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ec9c7a261acdccb442f49b06a0234b81
https://doi.org/10.1109/tasc.2018.2799985
https://doi.org/10.1109/tasc.2018.2799985
Autor:
Akinobu Nakai, Kohki Takahashi, Hisaki Sakamoto, Shinichi Mukoyama, Satoshi Awaji, Tomoya Hase, Satoshi Yamano
Publikováno v:
IEEE Transactions on Applied Superconductivity. 28:1-4
A superconducting joint and a persistent current switch are the key technologies in persistent current operation for MRI and NMR magnets to obtain higher resolution and sensitivity. We prepared a persistent current system including a superconducting
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dbea5bb01118b3e7f28cdd2cf7f939b8
https://doi.org/10.1109/tasc.2017.2773826
https://doi.org/10.1109/tasc.2017.2773826
Autor:
Mamoru Hamada, Gen Nishijima, Akinobu Nakai, Kazuyoshi Saito, Shinji Matsumoto, Yasuyuki Miyoshi, Shinichi Mukoyama, Hisaki Sakamoto
Publikováno v:
Journal of Physics: Conference Series. 1054:012038
A high temperature superconducting wire (HTS wire) is promising for various superconducting magnet applications because it operates at a higher temperature than a low temperature superconducting wire (LTS wire) is. Particularly, a MRI magnet using th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::47baee117cc8c8a1ac46d89fa33ae9bd
https://doi.org/10.1088/1742-6596/1054/1/012038
https://doi.org/10.1088/1742-6596/1054/1/012038
Autor:
Akinobu Nakai, Koichi Nakaoka, Tsutomu Koizumi, Junko Matsuda, Y. Sutoh, Teruo Izumi, Akimasa Yajima, Yuji Aoki, Masateru Yoshizumi, Yuh Shiohara, Tatsuhisa Nakanishi, Masashi Miura, Yutaka Yamada
Publikováno v:
Journal of the Japan Institute of Metals. 71:1017-1023
The recent progress in the development of TFA-MOD for a long coated conductor is reviewed. The TFA-MOD process is expected as a low cost process to realize the power application using coated conductors. On the effort for high Ic values, the drastic i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b96569c4a7f267f074d97debef2cf58e
https://doi.org/10.2320/jinstmet.71.1017
https://doi.org/10.2320/jinstmet.71.1017
Autor:
Yasuyuki Miyoshi, Kazuyoshi Saito, Mamoru Hamada, Shinji Matsumoto, Gen Nishijima, Ryusuke Nakasaki, Akinobu Nakai, Hisaki Sakamoto, Shinichi Mukoyama
Publikováno v:
IEEE Transactions on Applied Superconductivity; Jun2018, Vol. 28 Issue 4, p1-5, 5p
Autor:
Kohki Takahashi, Tomoya Hase, Satoshi Awaji, Akinobu Nakai, Satoshi Yamano, Shinichi Mukoyama, Hisaki Sakamoto
Publikováno v:
IEEE Transactions on Applied Superconductivity; Apr2018, Vol. 28 Issue 3, p1-4, 4p
Publikováno v:
SPIE Proceedings.
Ultra high power 14XX (1400-1520) nm lasers are required for erbium doped fiber amplifiers (EDFAs) and Raman amplifiers in dense wavelength division multiplexing (DWDM) systems. To realize both high-power and high-reliability performances, we introdu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cd38d7b47207a816dd94803e55043e83
https://doi.org/10.1117/12.426881
https://doi.org/10.1117/12.426881