Zobrazeno 1 - 10
of 64
pro vyhledávání: '"Tomohide, Nakano"'
Publikováno v:
Nuclear Materials and Energy, Vol 39, Iss , Pp 101660- (2024)
Characteristics of Hα and Be II emissions in ITER divertor plasmas have been evaluated, and the applicability of a spectroscopic evaluation method of influxes and ionization front positions by using the divertor impurity monitor (DIM) has been syste
Externí odkaz:
https://doaj.org/article/9de37b37c4f4453ebfa8c99656b92549
Autor:
Masakatsu Fukumoto, Qilin Yue, Kazuaki Hanada, Shinichiro Kojima, Tomohide Nakano, Naoaki Yoshida, Ryuya Ikezoe, Yoshihiko Nagashima, Takeshi Ido, Takumi Onchi, Hiroshi Idei, Hiroki Iguchi, Takumi Komiyama, Taiichi Shikama, Akira Ejiri, Suguru Masuzaki, Mizuki Sakamoto, Yoshio Ueda, Kengoh Kuroda, Kaori Kono, Shun Shimabukuro, Aki Higashijima
Publikováno v:
Nuclear Fusion, Vol 64, Iss 6, p 066022 (2024)
Electron cyclotron wall conditioning with neon gas (Ne-ECWC) has been performed on the normal conducting spherial tokamak QUEST with metal walls under a trapped particle configuration with O-mode EC waves including X-mode polarization with a frequenc
Externí odkaz:
https://doaj.org/article/dc7328719089407c8a782f4e964d75b1
Autor:
Hao Yang, Guido Ciraolo, Olivier Février, Nicolas Fedorczak, Nicolas Rivals, Andreas Bierwage, Hugo Bufferand, Gloria L Falchetto, Tomohide Nakano, Patrick Tamain, Jérôme Bucalossi, the WEST team
Publikováno v:
Nuclear Fusion, Vol 64, Iss 10, p 106039 (2024)
The parameter $R_\mathrm{D} = P_\mathrm{rad}/P_\mathrm{cond}$ , which measures the ratio of radiated power to conductive heat flux at downstream Scrape-Off-Layer (SOL), is proposed as a robust and practically useful figure of merit for divertor detac
Externí odkaz:
https://doaj.org/article/05612734bb454d81839d9161831c3054
Publikováno v:
Nuclear Fusion, Vol 63, Iss 7, p 076019 (2023)
The dynamics of the screening effect of Ar impurity by the injection of additional Ne has been studied through time-dependent analysis with the integrated divertor code SONIC. In the preceding study (Yamoto et al 2020 Plasma Phys. Control. Fusion 62
Externí odkaz:
https://doaj.org/article/833aa8b2e108495488e4563aaba50880
Autor:
Masakatsu Fukumoto, Tomohide Nakano, Kiyoshi Itami, Akihiko Isayama, Takahiro Suzuki, Hirotaka Kubo
Publikováno v:
Nuclear Materials and Energy, Vol 12, Iss , Pp 725-732 (2017)
By application of a horizontal magnetic field, BH, with 0.3% against a toroidal magnetic field, BT, electron cyclotron wall conditioning (ECWC) plasmas produced by 2nd-harmonic X-mode (X2-mode) EC waves expand radially toward the inner wall, which is
Externí odkaz:
https://doaj.org/article/b5391620d9ba40a68d55902fa1f76052
Autor:
Akihiro, Terakado, Yoshihiko, Koide, Maiko, Yoshida, Tomohide, Nakano, Hiroto, Homma, Naoyuki, Oyama
Publikováno v:
Fusion Science and Technology. 78(2):89-95
Heat-resistant in-vessel components, i.e., a heat sink, a front-end optics housing, and a diagnostic window have been designed in terms of heat-handling capability and thermal stress and mechanical stress by using a finite element method code. The he
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=jairo_______::e07e736c79ff0621427042ee0f1f3ca5
https://repo.qst.go.jp/records/84447
https://repo.qst.go.jp/records/84447
統合ダイバータコードSONICの改良およびプラズマ閉じ込め装置内での炭素不純物発生分布の評価を目的として、SONICと実験時計測データから逆解析で炭素発生分布を評価する手法を開発し
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=jairo_______::eda007af0347f52d527260ec602f6a5e
https://repo.qst.go.jp/records/86401
https://repo.qst.go.jp/records/86401
Autor:
Kunpei, Nojiri, Ryota, Imazawa, Tomohide, Nakano, Tatsuo, Sugie, Eiichi, Yatsuka, Takaki, Hatae
本研究ではITERダイバータ領域用の紫外-近赤外域分光計測システム開発の一環として、タングステンダイバータ化したITERにおける燃料/壁材由来の中性粒子及びイオンの発光とそれに寄与
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=jairo_______::320e60ec068e8215488890938cf874c4
https://repo.qst.go.jp/records/84408
https://repo.qst.go.jp/records/84408
Publikováno v:
Fusion Engineering and Design. 146:1267-1271
The inboard first wall for initial operation of JT-60SA is installed to protect vacuum vessel and magnetic sensors from plasma, under no-cooling-water condition for in-vessel components. The first wall is designed to withstand forces such as magnetic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::678a1451b900a297d0df1ac6964a47f7
https://repo.qst.go.jp/records/74879
https://repo.qst.go.jp/records/74879
Autor:
A.Drenik, S.Brezinsek, P.Carvalho, V.Huber, N.Osterman, G.F.Matthews, M.Nemec, Aiba, Nobuyuki, Uto, Hiroyasu, Imazawa, Ryota, Hoshino, Kazuo, Kamiya, Kensaku, Miyoshi, Yuuya, Asakura, Nobuyuki, Nakano, Tomohide, Ogawa, Toshihide, Suzuki, Takahiro, Tojo, Hiroshi, Urano, Hajime, Nobuyuki, Aiba, Hiroyasu, Uto, Ryota, Imazawa, Kazuo, Hoshino, Kensaku, Kamiya, Yuuya, Miyoshi, Nobuyuki, Asakura, Tomohide, Nakano, Toshihide, Ogawa, Takahiro, Suzuki, Hiroshi, Tojo, Hajime, Urano
Publikováno v:
FUSION ENGINEERING AND DESIGN. 139:115-123
Hot spots on the divertor tiles at JET result in overestimation of the tile surface temperature which causes unnecessary termination of pulses. However, the appearance of hot spots can also indicate the condition of the divertor tile surfaces. To ana
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=jairo_______::337ed0c311357366adfe643cff35e6d4
https://repo.qst.go.jp/records/74863
https://repo.qst.go.jp/records/74863