Search Results - "ZOHM, H"

Magnetic-confinement fusion by Ongena, J., Koch, R., Wolf, R., Zohm, H.

“…Our modern society requires environmentally friendly solutions for energy production. Energy can be released not only from the fission of heavy nuclei but also…”
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The feasibility of the L-H transition for a purely electron-heated EU-DEMO tokamak by Suárez López, G., Tardini, G., Fable, E., Siccinio, M., Zohm, H.

“…Abstract We study numerically the feasibility of achieving the L-H transition in the current EU-DEMO tokamak baseline using uniquely direct electron heating…”
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Effect of symmetry-breaking on the MHD edge stability limit of tokamak plasmas by Puchmayr, J., Dunne, M., Strumberger, E., Willensdorfer, M., Zohm, H., Hindenlang, F.

“…Abstract We demonstrate for the first time that symmetry-breaking in tokamak plasmas reduces the window of stable edge operational space, leading to a lower…”
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First observation of edge localized modes mitigation with resonant and nonresonant magnetic perturbations in ASDEX Upgrade by Suttrop, W, Eich, T, Fuchs, J C, Günter, S, Janzer, A, Herrmann, A, Kallenbach, A, Lang, P T, Lunt, T, Maraschek, M, McDermott, R M, Mlynek, A, Pütterich, T, Rott, M, Vierle, T, Wolfrum, E, Yu, Q, Zammuto, I, Zohm, H

“…First experiments with nonaxisymmetric magnetic perturbations, toroidal mode number n=2, produced by newly installed in-vessel saddle coils in the ASDEX…”
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The EU strategy for solving the DEMO exhaust problem by Zohm, H., Militello, F., Morgan, T.W., Morris, W., Reimerdes, H., Siccinio, M.

“…•EUROfusion has developed a broad approach to address the exhaust challenge for DEMO.•The baseline exhaust strategy builds on the solution foreseen for…”
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Development of the plasma scenario for EU-DEMO: Status and plans by Siccinio, M., Graves, J.P., Kembleton, R., Lux, H., Maviglia, F., Morris, A.W., Morris, J., Zohm, H.

“…This paper is part of a series of publications concerning the development of the European DEMO during the Pre-Concept Design Phase (2014-2020), and also…”
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Plasma physics for fusion reactor system codes: Framework and model code by Fable, E., Angioni, C., Siccinio, M., Zohm, H.

“…Design of a fusion reactor power plant requires putting together physics elements (plasma physics) and engineering elements (plant characteristics). System…”
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DEMO physics challenges beyond ITER by Siccinio, M., Biel, W., Cavedon, M., Fable, E., Federici, G., Janky, F., Lux, H., Maviglia, F., Morris, J., Palermo, F., Sauter, O., Subba, F., Zohm, H.

“…•EU-DEMO relies on the same plasma scenario as ITER, since this minimizes the risks in the extrapolation.•However, there are some ITER solutions which are not…”
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Simulation of burn control for DEMO using ASTRA coupled with Simulink by Janky, F., Fable, E., Treutterer, W., Zohm, H.

“…•A new framework has been developed to design DEMO burn control.•The framework couples ASTRA transport code with Simulink.•The coupling does not increase ASTRA…”
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Inter-discharge optimization for fast, reliable access to ASDEX Upgrade advanced tokamak scenario by Van Mulders, S., Sauter, O., Bock, A., Burckhart, A., Contré, C., Felici, F., Fischer, R., Schramm, R., Stober, J., Zohm, H.

“…Abstract Rapid inter-discharge simulation and optimization using the RAPTOR code have allowed the development of a reliable and reproducible early heating…”
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A practical protocol to emulate a reactor scenario on present machines, with application to the ASDEX Upgrade tokamak via predictive modeling by Fable, E., David, P., Kudlacek, O., Hopf, C., Sieglin, B., Stober, J., Treutterer, W., Weiland, M., Wu, C., Zohm, H.

“…Abstract In this work, a novel practical strategy to emulate a reactor scenario on present tokamak experiments is presented. A recipe how to scale several…”
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Experimental evidence of magnetic flux pumping in ASDEX upgrade by Burckhart, A., Bock, A., Fischer, R., Pütterich, T., Stober, J., Günter, S., Gude, A., Hobirk, J., Hölzl, M., Igochine, V., Krebs, I., Maraschek, M., Reisner, M., Schramm, R., Zohm, H.

“…Abstract In high- β scenarios with on-axis co-current electron cyclotron current drive, which normally lowers q 0 below unity, the absence of sawteeth suggests…”
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Impact of the plasma operation on the technical requirements in EU-DEMO by Siccinio, M., Biel, W., Fable, E., Franke, T., Janky, F., Lang, P.T., Mattei, M., Maviglia, F., Palermo, F., Sauter, O., Tran, M.Q., Van Mulders, S., Zohm, H.

“…The plasma design point during stationary phase operation of EU-DEMO has been described extensively in the past, and the assumptions employed for its…”
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Development of a concept and basis for the DEMO diagnostic and control system by Biel, W., Ariola, M., Bolshakova, I., Brunner, K.J., Cecconello, M., Duran, I., Franke, Th, Giacomelli, L., Giannone, L., Janky, F., Krimmer, A., Luis, R., Malaquias, A., Marchiori, G., Marchuk, O., Mazon, D., Pironti, A., Quercia, A., Rispoli, N., Shawish, S. El, Siccinio, M., Silva, A., Sozzi, C., Tartaglione, G., Todd, T., Treutterer, W., Zohm, H.

“…•An initial concept and basis for the DEMO diagnostic and control system is presented.•The main control issues for the burn phase of the plasma have been…”
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Turbulence characterization during the suppression of edge-localized modes by magnetic perturbations on ASDEX Upgrade by Leuthold, N., Suttrop, W., Willensdorfer, M., Birkenmeier, G., Brida, D., Cavedon, M., Dunne, M., Conway, G.D., Fischer, R., Gil, L., Happel, T., Hennequin, P., Kappatou, A., Kirk, A., Manz, P., McDermott, R.M., Vicente, J., Zohm, H., Upgrade Team, the ASDEX, MST1 Team, the EUROfusion

“…Abstract We study localized edge turbulence in the ASDEX Upgrade tokamak that appears if resonant magnetic perturbations (RMP) are applied to suppress edge…”
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Field-Line Localized Destabilization of Ballooning Modes in Three-Dimensional Tokamaks by Willensdorfer, M, Cote, T B, Hegna, C C, Suttrop, W, Zohm, H, Dunne, M, Strumberger, E, Birkenmeier, G, Denk, S S, Mink, F, Vanovac, B, Luhmann, L C

“…Field-line localized ballooning modes have been observed at the edge of high confinement mode plasmas in ASDEX Upgrade with rotating 3D perturbations induced…”
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Status of the Deep Learning-Based Shattered Pellet Injection Shard Tracking at ASDEX Upgrade by Illerhaus, Johannes, Treutterer, W., Heinrich, P., Miah, M., Papp, G., Peherstorfer, T., Sieglin, B., Toussaint, U. v., Zohm, H., Jenko, F.

“…Plasma disruptions pose an intolerable risk to large tokamaks, such as ITER. If a disruption can no longer be avoided, ITER’s last line of defense will be the…”
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Erratum: Magnetic-confinement fusion by Ongena, J., Koch, R., Wolf, R., Zohm, H.

“…Nature Physics 12, 398–410 (2016); published online 3 May 2016; corrected after print 16 June 2016. In the version of this Review Article originally published,…”
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Neutral beam injection for DEMO alternative scenarios by Vincenzi, P., Artaud, J.-F., Fable, E., Giruzzi, G., Siccinio, M., Zohm, H.

“…•NBI is a candidate for DEMO auxiliary H&CD systems.•Alternative DEMO scenarios require specific H&CD capabilities.•NBI is capable of providing enough…”
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Enhancement of the stabilization efficiency of a neoclassical magnetic island by modulated electron cyclotron current drive in the ASDEX upgrade tokamak by Maraschek, M, Gantenbein, G, Yu, Q, Zohm, H, Günter, S, Leuterer, F, Manini, A

“…The efficiency of generating a helical current in magnetic islands for the purpose of suppression of neoclassical tearing modes (NTMs) by electron cyclotron…”
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