Results 101 to 110 of about 321,964 (214)

Development of electron cyclotron wall conditioning with argon gas in the spherical tokamak QUEST for hydrogen removal from metal walls

Nuclear Fusion
Electron cyclotron wall conditioning with argon gas (Ar-ECWC) has been performed on the normal conducting spherical tokamak QUEST with metal walls for the purpose of applying this technique to future superconducting fusion devices with metal walls as an ...
Masakatsu Fukumoto, Qilin Yue, Pakkapawn Prapan, Kazuaki Hanada, Shinichiro Kojima, Tomohide Nakano, Naoaki Yoshida, Ryuya Ikezoe, Yoshihiko Nagashima, Takeshi Ido, Takumi Onchi, Hiroshi Idei, Takumi Komiyama, Hiroki Iguchi, Taiichi Shikama, Akira Ejiri, Suguru Masuzaki, Mizuki Sakamoto, Yoshio Ueda, Kengoh Kuroda, Kaori Kono, Shun Shimabukuro, Aki Higashijima   +22 more
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Boundary plasma studies for a spherical tokamak with lithium walls

Nuclear Materials and Energy
Boundary plasma and plasma-material interactions are investigated for magnetised target fusion (MTF) applications. The General Fusion magnetised target fusion technology uses coaxial helicity injection (CHI) start-up which forms a spherical tokamak in a ...
A. Antony, L. Carbajal, T.D. Rognlien, M.V. Umansky, A. Froese, S. Howard, C. Ribeiro, R. Ivanov, C. Dunlea, C.P. McNally   +9 more
doaj   +1 more source

Study on Plasma Shape Reproduction of Spherical

, 2007
Cauchy-Condition Surface (CCS) method is a numerical approach to reproduce plasma shape which has good precision in conventional tokamak. In order to apply it in the plasma shape repro-duction of Compact PWI experimental Device (CPD) which is a new ...
Sakamoto, Mizuki, Kawamata, Yoichi, Hanada, Kazuaki, Nakamura, Kazuo, Kawasaki, Shoji, Higashijima, Aki, 栗原, 研一, 川俣, 陽一, Idei, Hiroshi, Hasegawa, Makoto, Kurihara, Kenichi, 末岡, 通治, 御手洗, 修, Sueoka, Michiharu, Zushi, Hideki, 花田, 和明, Nakashima, Hisatoshi, Sato, Kohnosuke, 佐藤, 浩之助, 出射, 浩, Wang, Feng, 王, 楓, Mitarai, Osamu, 坂本, 瑞樹, 中村, 一男, 長谷川, 真, 図子, 秀樹   +26 more
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Preparing for First Diverted Plasma Operation in the ST40 High-Field Spherical Tokamak

, 2021
The ST40 tokamak [1], built and operated by Tokamak Energy, has recently been upgraded with upper and lower divertors to enable double null diverted operations with up to 1MA of plasma current and 2MW of neutral beam heating.
Marsden C, Sridhar S, Asunta O, McNamara S, Innocente P, Romanelli M, Calabro' G, Thomas P, Buxton P, Diallo A, Rubino G, Drozdov V, Bland J, Nemytov V, Barnes M, Gryaznevich M, Sertoli M, Wood J, Fanelli P, Lombroni R, Zhang Y, Medvedev S, Varje J, Dnestrovsky A, Scarpari M, Vincent B, Guttenfelder W, Giorgetti F, Kaye S   +28 more
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Current rearrangement in merging start-up of spherical tokamak plasmas

Nuclear Fusion
Torus plasma merging technique that provides high power ion heating by magnetic reconnection is expected to significantly expand the operation scenarios of spherical tokamak (ST) fusion reactors.
M. Inomoto, Y. Maeda, T. Suzuki, H. Jin, S. Cho, H. Ueo, M. Otsuka, T. Kono, E. Sakuraba, S. Takeda, H. Tanabe, Y. Ono, E. Kawamori, S. Usami, R. Yanai   +14 more
doaj   +1 more source

The Physics of Tokamak Start-up

, 2012
Tokamak start-up on present-day devices usually relies on inductively induced voltage from a central solenoid. In some cases inductive startup is assisted with auxiliary power from electron cyclotron radio frequency heating.
Mueller, D.
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Nonlinear MHD Simulations of Spherical Tokamak and Helical Plasmas

"Nonlinear magnetohydrodynamic (MHD) simulations on relaxation phenomena in a spherical tokamak and a helical plasma, including three-dimensional (3D) equilibrium computations, are executed in full toroidal geometries.
Mizuguchi, N., Okamoto, M.", "Hayashi, T., Kanno, R., Nakajima, N., Miura, H.   +5 more
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Overview of physics results from MAST

, 2016
Major developments on the Mega Amp Spherical Tokamak (MAST) have enabled important advances in support of ITER and the physics basis of a spherical tokamak (ST) based component test facility (CTF), as well as providing new insight into underlying ...
Morris, A. W., Walsh, M. J., Field, A. R., Denner, P., Barratt, N. C., Scannell, R., Howell, D. F., Pinches, S. D., Shibaev, S., Lisak, Mietek, Keeling, D., Hubbard, A., Michael, Clive, Dendy, R. O., Price, M. N., Alladio, F., Hua, M.-D., Huysmans, G., Freethy, S., Cunningham, G., Saarelma, S., Cowley, S. C., Cox, M., Fishpool, G., Dunai, D., Martin, R., Shevchenko, V., Warder, S. E. V., Sharapov, Sergei, Dudson, B., Akers, R. J., Valovic, M., Mordijck, S., Sabbagh, S. A., Suttrop, W., Kim, Y. C., Hender, T. C., O'Brien, M. R., Liang, Y., Connor, J. W., Conway, N. J., Lisgo, s., Maingi, R., Temple, D., Tamain, P., Gryaznevich, M. P., Liu, Y. Q., Gibson, K. J., Saveliev, A., Maddison, G. P., Meyer, H., De Temmerman, G., The MAST Team, Hawkes, N. C., Lloyd, B., Wilson, H. R., Muir, D. G., Patel, A., Turnyanskiy, M., Driscoll, M. D., Sykes, A., Roach, C. M., Storrs, J., Páleník, J., McArdle, G. J., Harrison, J., O'Gorman, T., Wisse, M., Delchambre, E., Stork, D., Colyer, G., Voss, G., Ben Ayed, N., Garzotti, L., Cecconello, M., Rozhansky, V., McCone, J., Thornton, A., Thomas-Davies, N., Challis, C. D., Breizman, Boris, Elmore, S., Appel, L., De Bock, Maarten, Hastie, R. J., Hnat, B., Allan, S. Y., Vann, R. G. L., Darke, A., Chapman, I. T., Ciric, D., Guttenfelder, W., Kirk, A., Morgan, T., Naylor, G., Barnes, M., Zoletnik, S., Nardon, E., Manhood, S. J., Lilley, M. K., Taylor, D., Dunstan, M.   +101 more
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FLIPEC, an ideal MHD free-boundary axisymmetric equilibrium solver in the presence of macroscopic flows

Nuclear Fusion
The most relevant features of FLIPEC (Free fLow Iterative Plasma Equilibrium Code) are presented. This new code iteratively calculates free-boundary, axisymmetric ideal MHD equilibria with arbitrary poloidal and toroidal plasma flows.
G. F.-Torija Daza, J.M. Reynolds-Barredo, R. Sanchez, A. Loarte, V. Tribaldos   +4 more
doaj   +1 more source

Tokamak City - Orange Mine

, 2015
Tokamak city is a utopian project exploring the implications of cheap fusion energy for future architectures and spatial practices. The Orange Mine envisions a colony of monochrome painters who have developed a technique for mining pure orange in ...
Doctor Watson Architects, Watson, V.A.
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