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3D effects on transport and plasma control in the TJ-II stellarator

Autor: G. Wolfers, E. Ascasíbar, F. Fernández-Marina, Javier Alonso, Macarena Liniers, F. Martín-Díaz, P. Méndez, A.S. Kozachoek, A. Cappa, Jesús Vega, E. Oyarzábal, K. Sarksian, María Sánchez, M. Medrano, J. Hernández, J. Botija, J. Martínez-Fernández, Marley Vanegas Chamorro, Isabel García-Cortés, B. Momo, K. J. McCarthy, A. Tolkachev, D. Alegre, A. Pereira, L. I. Krupnik, G. Velasco, R. Carrasco, Raul Moreno, Ivan Calvo, U. Losada, F. Medina, E. Sánchez, A.A. Chmyga, G. Martín-Gómez, J. Guasp, F. Castejón, F. J. Miguel, A. Jiménez-Denche, N. Panadero, M. Borchardt, Jesús Herranz, B. Rojo, A. Molinero, L.G. Eliseev, A. Alonso, R. García-Gómez, E. R. Solano, J. Olivares, T. Estrada, Roman Hatzky, M. A. Ochando, J.M. Barcala, R. Merino, F. Lapayese, J.A. Sebastián, Y. Narushima, Shinsuke Satake, L. Melón, E. Sánchez-Sarabia, I. Kirpitchev, A. Martin de Aguilera, A.D. Komarov, M. Martínez, A. de la Peña, F. Martín-Hernández, B. Liu, C. Hidalgo, G. Catalán, Francisco L. Tabarés, E. Rincón, A.B. Martín-Rojo, J. M. Garcia-Regana, B. J. Sun, B. van Milligen, S. Cabrera, J. Sánchez, S. Petrov, A. de Bustos, M. A. Pedrosa, C. Rodríguez, B. Zurro, J. Hernanz, Eric Hollmann, A. Ros, Carlos A. Silva, J.L. de Pablos, S. Tallents, Luis F. Pacios, Ralf Kleiber, A. de Castro, José Luis Velasco, Luis Rios, B. López-Miranda, I. Pastor, E. Poveda, A. E. Petrov, P. Monreal, J. López-Razola, Luis Garcia, G.A. Rattá, M. Navarro, D. López-Bruna, E. de la Cal, J. M. Fontdecaba, A. Portas, M. Yokoyama, D. Tafalla, E. de la Luna, A. Soleto, R. Castro, D. Baião, Andreas Dinklage, A. López-Fraguas, A.V. Melnikov, A. Baciero, E. Blanco, I. S. Nedzelskiy

Publikováno v: Nuclear Fusion
Zaguán. Repositorio Digital de la Universidad de Zaragoza
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The effects of 3D geometry are explored in TJ-II from two relevant points of view: neoclassical transport and modification of stability and dispersion relation of waves. Particle fuelling and impurity transport are studied considering the 3D transpor

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2597616898b54a06be2bb2e5c2ac2066
http://zaguan.unizar.es/record/63028

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Overview of physics results from MAST

Autor: B. Lloyd, R.J. Akers, F. Alladio, Y. Andrew, L.C. Appel, D. Applegate, K.B. Axon, N. Ben Ayed, C. Bunting, R.J. Buttery, P.G. Carolan, I. Chapman, D. Ciric, J.W. Connor, N.J. Conway, M. Cox, G.F. Counsell, G. Cunningham, A. Darke, E. Delchambre, R.O. Dendy, J. Dowling, B. Dudson, M. Dunstan, A.R. Field, A. Foster, S. Gee, L. Garzotti, M.P. Gryaznevich, A. Gurchenko, E. Gusakov, N.C. Hawkes, P. Helander, T.C. Hender, B. Hnat, D.F. Howell, N. Joiner, D. Keeling, A. Kirk, B. Koch, M. Kuldkepp, S. Lisgo, F. Lott, G.P. Maddison, R. Maingi, A. Mancuso, S.J. Manhood, R. Martin, G.J. McArdle, J. McCone, H. Meyer, P. Micozzi, A.W. Morris, D.G. Muir, M. Nelson, M.R. O'Brien, A. Patel, S. Pinches, J. Preinhaelter, M.N. Price, E. Rachlew, C.M. Roach, V. Rozhansky, S. Saarelma, A. Saveliev, R. Scannell, S.E. Sharapov, V. Shevchenko, S. Shibaev, K. Stammers, J. Storrs, A. Surkov, A. Sykes, S. Tallents, D. Taylor, N. Thomas-Davies, M.R. Turnyanskiy, J. Urban, M. Valovic, R.G.L. Vann, F. Volpe, G. Voss, M.J. Walsh, S.E.V. Warder, R. Watkins, H.R. Wilson, M. Wisse

Publikováno v: Nuclear Fusion. 47:S658-S667

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::59904d715006a7044d8449912feb3d35
https://doi.org/10.1088/0029-5515/47/10/s14

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Filament structures at the plasma edge on MAST

Autor: G. F. Counsell, Romualdo Martín, Benjamin Daniel Dudson, N. Ben Ayed, B Koch, A. Herrmann, S. Tallents, H. R. Wilson, S. Saarelma, M Walsh, T. Eich, A. Kirk, A. Meakins, R. Scannell

Publikováno v: Plasma Physics and Controlled Fusion. 48:B433-B441

The boundary of the tokamak core plasma, or scrape-off layer, is normally characterized in terms of average parameters such as density, temperature and e-folding lengths suggesting diffusive losses. However, as is shown in this paper, localized filam

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0ed1d93427755552a78b5d52e0b6438f
https://doi.org/10.1088/0741-3335/48/12b/s41

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Overview of MAST results

Autor: G.F Counsell, R.J Akers, L.C Appel, D Applegate, K.B Axon, Y Baranov, C Brickley, C Bunting, R.J Buttery, P.G Carolan, C Challis, D Ciric, N.J Conway, M Cox, G Cunningham, A Darke, A Dnestrovskij, J Dowling, B Dudson, M.R Dunstan, E Delchambre, A.R Field, A Foster, S Gee, M.P Gryaznevich, P Helander, T.C Hender, M Hole, D.H Howell, N Joiner, D Keeling, A Kirk, I.P Lehane, S Lisgo, B Lloyd, F Lott, G.P Maddison, S.J Manhood, R Martin, G.J McArdle, K.G McClements, H Meyer, A.W Morris, M Nelson, M.R O'Brien, A Patel, T Pinfold, J Preinhaelter, M.N Price, C.M Roach, V Rozhansky, S Saarelma, A Saveliev, R Scannell, S Sharapov, V Shevchenko, S Shibaev, K Stammers, J Storrs, A Sykes, A Tabasso, S Tallents, D Taylor, M.R Tournianski, A Turner, G Turri, M Valovic, F Volpe, G Voss, M.J Walsh, J.R Watkins, H.R Wilson, M Wisse, the MAST, NBI and ECRH Teams

Publikováno v: Nuclear Fusion. 45:S157-S167

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::82a585f89d9ebe6f34117c1d4427edfe
https://doi.org/10.1088/0029-5515/45/10/s13

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Design of an ech system for a small modular stellarator

Publikováno v: 2011 IEEE/NPSS 24th Symposium on Fusion Engineering.

Electron cyclotron heating (ECH) is one of the most common methods used for heating stellarator plasmas, providing both ionization for startup and net-current free heating during the discharge. This paper presents the design of the ECH heating system

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0a53e048ffc032162227b0883b101e69
https://doi.org/10.1109/sofe.2011.6052329

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Comparison of the filament behaviour observed during type I ELMs in ASDEX Upgrade and MAST

Autor: S Lisgo, M. Price, A. Kirk, A. Schmid, S Tallents, H. R. Wilson, H. W. Müller, B Ayed, A. Herrmann, T. Eich, G. F. Counsell

Publikováno v: Journal of Physics: Conference Series
Journal of Physics: Conference Series, v.123 (2008)

A study of the evolution of the filaments observed during Type I ELMs on ASDEX Upgrade and MAST is presented. The filaments start off rotating toroidally/poloidally with velocities close to that of the pedestal. This velocity then decreases as the fi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4bc2de051485a758b46b62a5fa572643
https://hdl.handle.net/11858/00-001M-0000-0027-01DC-111858/00-001M-0000-0027-01DA-5

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Transport analysis in an electron cyclotron heating power scan of TJ-II plasmas

Autor: D. Tafalla, José Luis Velasco, I. Pastor, J. M. Fontdecaba, E. Blanco, T. Estrada, J. Herranz, S. Tallents, Francisco L. Tabarés, B. Ph. van Milligen, V. I. Vargas, Julio J. Martinell, M. A. Ochando, D. López-Bruna

Publikováno v: Plasma Physics and Controlled Fusion. 56:075024

The response of transport in low density (line average ) plasmas to electron cyclotron resonance heating (ECH) power, 100 kW QECH 400 kW, is documented for the TJ-II Heliac-type stellarator. Radially resolved electron heat balance shows no significan

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::789aee40ee9a8af5d33c25d191284a2a
https://doi.org/10.1088/0741-3335/56/7/075024

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Overview of physics results from MAST

Autor: H. Meyer, R.J. Akers, F. Alladio, L.C. Appel, K.B. Axon, N. Ben Ayed, P. Boerner, R.J. Buttery, P.G. Carolan, D. Ciric, C.D. Challis, I.T. Chapman, G. Coyler, J.W. Connor, N.J. Conway, S. Cowley, M. Cox, G.F. Counsell, G. Cunningham, A. Darke, M. deBock, G. deTemmerman, R.O. Dendy, J. Dowling, A. Yu Dnestrovskij, Yu.N. Dnestrovskij, B. Dudson, D. Dunai, M. Dunstan, A.R. Field, A. Foster, L. Garzotti, K. Gibson, M.P. Gryaznevich, W. Guttenfelder, N.C. Hawkes, J. Harrison, P. Helander, T.C. Hender, B. Hnat, M.J. Hole, D.F. Howell, M. Duc Hua, A. Hubbard, M. Istenic, N. Joiner, D. Keeling, A. Kirk, H.R. Koslowski, Y. Liang, M. Lilley, S. Lisgo, B. Lloyd, G.P. Maddison, R. Maingi, A. Mancuso, S.J. Manhood, R. Martin, G.J. McArdle, J. McCone, C. Michael, P. Micozzi, T. Morgan, A.W. Morris, D.G. Muir, E. Nardon, G. Naylor, M.R. O'Brien, T. O'Gorman, A. Patel, S.D. Pinches, J. Preinhaelter, M.N. Price, E. Rachlew, D. Reiter, C.M. Roach, V. Rozhansky, S. Saarelma, A. Saveliev, R. Scannell, S.E. Sharapov, V. Shevchenko, S. Shibaev, H. Smith, G.E. Staebler, D. Stork, J. Storrs, A. Sykes, S. Tallents, P. Tamain, D. Taylor, D. Temple, N. Thomas-Davies, A. Thornton, A. Thyagaraja, M.R. Turnyanskiy, J. Urban, M. Valovic, R.G.L. Vann, F. Volpe, G Voss, M.J. Walsh, S.E.V. Warder, R. Watkins, H.R. Wilson, M. Windridge, M. Wisse, A. Zabolotski, S. Zoletnik, O. Zolotukhin

Publikováno v: Nuclear Fusion. 49:104017

Several improvements to the MAST plant and diagnostics have facilitated new studies advancing the physics basis for ITER and DEMO, as well as for future spherical tokamaks (STs). Using the increased heating capabilities P NBI ⩽ 3.8 MW H-mode at I p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8169be6680945f3d12dd73e66a909770
https://doi.org/10.1088/0029-5515/49/10/104017

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Inter-ELM filaments and turbulent transport in the Mega-Amp Spherical Tokamak

Autor: A. Kirk, S Tallents, Benjamin Daniel Dudson, R. G. L. Vann, N. Ben Ayed, H. R. Wilson

Publikováno v: Plasma Physics and Controlled Fusion. 51:035016

Results on edge turbulence in periods separating edge localised modes (ELMs), i.e. inter-ELM periods, in Mega-Amp Spherical Tokamak (MAST) are presented. It is shown through combined measurements of fast camera images and reciprocating Langmuir probe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0ff77c032ada7bc77889ab040afa3035
https://doi.org/10.1088/0741-3335/51/3/035016

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