WEKO3
-
RootNode
アイテム
Fully non-inductive plasma start-up with lower-hybrid waves using the outboard-launch and top-launch antennas on the TST-2 spherical tokamak
https://repo.qst.go.jp/records/54867
https://repo.qst.go.jp/records/54867605bf6da-3576-465f-9237-fac3c912edc4
Item type | 会議発表論文 / Conference Paper(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2018-03-14 | |||||
タイトル | ||||||
タイトル | Fully non-inductive plasma start-up with lower-hybrid waves using the outboard-launch and top-launch antennas on the TST-2 spherical tokamak | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_5794 | |||||
資源タイプ | conference paper | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Tsujii, Naoto
× Tsujii, Naoto× Takase, Yuichi× Ejiri, Akira× 新屋, 貴浩× Yajima, Satoru× Yamazaki, Hibiki× Togashi, Hiro× P., Moeller Charles× Roidl, Benedikt× Takahashi, Wataru× Toida, Kazuya× Yoshida, Yusuke× 新屋 貴浩 |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Removal of the central solenoid is essential to realize an economical spherical tokamak fusion reactor, but non-inductive plasma start-up is a challenge. On the TST-2 spherical tokamak, non-inductive plasma start-up using lower-hybrid (LH) waves has been investigated. Using the capacitively-coupled combline (CCC) antenna installed at the outboard midplane, fully non-inductive plasma current ramp-up up to a quarter of that of the typical Ohmic discharges has been achieved. Although it was desirable to keep the density low during the plasma current ramp-up to avoid the LH density limit, it was recognized that there was a maximum current density that could be carried by a given electron density. Since the density needed to increase as the plasma current was ramped-up, the achievable plasma current was limited by the maximum operational toroidal field of TST-2. The top-launch CCC antenna was installed to access higher density with up-shift of the parallel index of refraction. Numerical analysis of LH current drive with the outboard-launch and top-launch antennas was performed and the results were qualitatively consistent with the experimental observations. | |||||
書誌情報 |
22 Topical Conference on Radio-Frequency Power in Plasmas 号 157, p. 02009, 発行日 2017-10 |
|||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1051/epjconf/201715702009 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.epj-conferences.org/articles/epjconf/abs/2017/26/epjconf_rfppc2017_02009/epjconf_rfppc2017_02009.html | |||||
関連名称 | https://www.epj-conferences.org/articles/epjconf/abs/2017/26/epjconf_rfppc2017_02009/epjconf_rfppc2017_02009.html |
Share
Cite as
Tsujii, Naoto, Takase, Yuichi, Ejiri, Akira, 新屋, 貴浩, Yajima, Satoru, Yamazaki, Hibiki, Togashi, Hiro, P., Moeller Charles, Roidl, Benedikt, Takahashi, Wataru, Toida, Kazuya, Yoshida, Yusuke, 新屋 貴浩, 2017, Fully non-inductive plasma start-up with lower-hybrid waves using the outboard-launch and top-launch antennas on the TST-2 spherical tokamak: 02009– p.
Loading...