Zobrazeno 1 - 10
of 83
pro vyhledávání: '"Ryoji, Hiwatari"'
Autor:
Weixi Chen, Yoji Someya, Mitsuhiro Arikawa, Hiroyasu Utoh, Ryoji Hiwatari, Naotaka Umeda, Satoshi Kakudate, Yoshiteru Sakamoto
Publikováno v:
IEEE Transactions on Plasma Science. 50:4233-4238
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::97d7eb90842cc7c9231807aafa9c5ec5
https://doi.org/10.1109/tps.2022.3176443
https://doi.org/10.1109/tps.2022.3176443
Autor:
Yuki Homma, Kazuo Hoshino, Shohei Yamoto, Nobuyuki Asakura, Shinsuke Tokunaga, Akiyoshi Hatayama, Yoshiteru Sakamoto, Ryoji Hiwatari, Kenji Tobita, Joint Special Design Team for Fusion DEMO
Publikováno v:
Nuclear Materials and Energy, Vol 12, Iss , Pp 323-328 (2017)
Erosion reduction of tungsten (W) divertor target is one of the most important research subjects for the DEMO fusion reactor design, because the divertor target has to sustain large fluence of incident particles, composed mainly of fuel ions and seed
Externí odkaz:
https://doaj.org/article/9c431b1d6a534646b8ae911af4083a1e
Autor:
Ishii, Yasutomo, Nobuyuki, Aiba, Masami, Ando, Nobuyuki, Asakura, Bierwage, Andreas, Yuuki, Edao, Kazuo, Hasegawa, Takumi, Hayashi, Ryoji, Hiwatari, Tsuyoshi, Hoshino, Yoshitaka, Ikeda, Shinichi, Ishida, Kanetsugu, Isobe, Yasunori, Iwai, Atsushi, Kasugai, Yoshinori, Kawamura, Kim, Jaehwan, Keitaro, Kondo, Kwon, Saerom, Kai, Masuda, Akinobu, Matsuyama, Naoaki, Miyato, Motoki, Nakajima, Masaru, Nakamichi, Takashi, Nozawa, Kentaro, Ochiai, Masayuki, Ota, Makoto, Oyaizu, Yoshiteru, Sakamoto, Satoshi, Sato, Haruki, Seto, Takashi, Shiroto, Yoji, Someya, Hiroyasu, Tanigawa, Shinsuke, Tokunaga, Hiroyasu, Uto, Wang, Wei, Yoshiyuki, Watanabe, Masatoshi, Yagi, P.Cara, H.Dzitko, D.Gex, A.Jokinen, S.C.Lorenzo, K.Morishita, N.Nakajima, T.Ozeki, K.Sakamoto, M.Sugimoto, Yasutomo, Ishii
Publikováno v:
Fusion Science and Technology. 77(7-8):532-548
The current status and the progress of R&D activities for a Fusion DEMO reactor in the QST Rokkasho Fusion Institute is reported. In order to advance the JA DEMO activity, not only Japanese domestic activity but also international collaborations of B
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=jairo_______::4b9907e5953a41a8f5623a8b2ff83271
https://repo.qst.go.jp/records/85185
https://repo.qst.go.jp/records/85185
Autor:
Chen, Weixi, Yoji, Someya, Arikawa, Mitsuhiro, Hiroyasu, Uto, Ryoji, Hiwatari, Naotaka, Umeda, Satoshi, Kakudate, Yoshiteru, Sakamoto
Publikováno v:
IEEE Transactions on Plasma Science.
In the development of a DEMO fusion reactor, mitigating the heat load deposited on the breeding blanket at steady-state operation is one of the challenging issues because of the localized high heat flux brought by charged particles and low thermal co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=jairo_______::88895e5cfec634883d1f46c713dba6d3
https://repo.qst.go.jp/records/86536
https://repo.qst.go.jp/records/86536
Autor:
Uto, Hiroyasu, Kakudate, Satoshi, Hiwatari, Ryoji, Someya, Yoji, Sakamoto, Yoshiteru, Asakura, Nobuyuki, Tokunaga, Shinsuke, Tobita, Kenji, Hiroyasu, Uto, Satoshi, Kakudate, Ryoji, Hiwatari, Yoji, Someya, Yoshiteru, Sakamoto, Nobuyuki, Asakura, Shinsuke, Tokunaga, Kenji, Tobita
Publikováno v:
Fusion Engineering and Design. 146:1583-1586
JA DEMO selected the vertical maintenance scheme as the primary maintenance option. In order to improve reliability of Remote Handling (RH) and plant availability, update of in-vessel transferring mechanism of the segment, pipe unit structure on main
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=jairo_______::167ba29631a0e988bf3c220b02957a74
https://repo.qst.go.jp/records/77693
https://repo.qst.go.jp/records/77693
Autor:
Yoshiteru Sakamoto, Joint Special Design Team for Fusion Demo, Youji Someya, Hironobu Kudo, Ryoji Hiwatari, Kenji Tobita
Publikováno v:
Fusion Engineering and Design. 146:894-897
A conceptual design of breeding blanket module with pressure tightness against in-box LOCA has been carried out, based on a pressurized water-cooled solid breeder blanket. The cooling water for DEMO is operated at the PWR water conditions of 15.5 MPa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ce2f8dac3ff696a325832c10e04a10b
https://doi.org/10.1016/j.fusengdes.2019.01.107
https://doi.org/10.1016/j.fusengdes.2019.01.107
Autor:
Nobuyuki Asakura, Yoshiteru Sakamoto, Joint Special Design Team for Fusion Demo, Youji Someya, Shinsuke Tokunaga, Ryoji Hiwatari, Kenji Tobita, H. Utoh, Satoshi Kakudate
Publikováno v:
Fusion Engineering and Design. 146:1583-1586
JA DEMO selected the vertical maintenance scheme as the primary maintenance option. In order to improve reliability of Remote Handling (RH) and plant availability, update of in-vessel transferring mechanism of the segment, pipe unit structure on main
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb239e4d30ef5056aceaafc59303ea26
https://doi.org/10.1016/j.fusengdes.2019.02.133
https://doi.org/10.1016/j.fusengdes.2019.02.133
Autor:
Ryoji, Hiwatari, Kenji, Tobita
Publikováno v:
エネルギー・資源学会論文誌. 40(5):170-179
his paper analyzed Japan’s fusion energy development scenarios by using a global energy systems model considering a combination of uncertainties of future socioeconomic development, CO2 emission pathways corresponding to the long-term target of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=jairo_______::7b75eaca93c21e92fe4c16e10ff89cca
https://repo.qst.go.jp/records/79356
https://repo.qst.go.jp/records/79356
Autor:
Go Matsunaga, Y. Miyoshi, Ryoji Hiwatari, Akihiko Isayama, Yuichi Ogawa, Tatsuya Yokoyama, Naoyuki Oyama, Masato Okada, Yasuhiko Igarashi
Publikováno v:
Fusion Engineering and Design. 140:67-80
Disruption is a critical phenomenon in a tokamak reactor. Although disruption causes serious damage to the reactor, its physical mechanism remains unclear. To realize a tokamak reactor, it is necessary to understand and control the disruption phenome
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5557732fa83955ad56e6af1194e2e02e
https://doi.org/10.1016/j.fusengdes.2019.01.128
https://doi.org/10.1016/j.fusengdes.2019.01.128
Autor:
Asakura, Nobuyuki, Kazuo, Hoshino (Keio University), Yuuki, Homma, Christian, Vorpahl (EUROfusion Programme Management Unit), Fabio, Subba (Politecnico di Torino), Hiroyasu, Uto, Yoji, Someya, Satoshi, Kakudate, Satoshi, Suzuki, Yoshiteru, Sakamoto, Ryoji, Hiwatari, Mattia, Siccinio (EUROfusion Programme Management Unit), Gianfranco, Federici (EUROfusion Programme Management Unit), Jeong-Ha, You (Max Planck Institute for Plasma Physics)
Concepts of the power exhaust and divertor design have been developed, with a high priority in the pre-conceptual design phase of the Japan-Europe Broader Approach DEMO Design Activity (BA DDA). A common critical issue is the large power exhaust in t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=jairo_______::4adcd067545dc466bd4e124f0defdb72
https://repo.qst.go.jp/records/83363
https://repo.qst.go.jp/records/83363
