Search Results - "ASDEX UPGRADE-team"

Overview of initial negative triangularity plasma studies on the ASDEX Upgrade tokamak by Happel, T., Pütterich, T., Told, D., Dunne, M., Fischer, R., Hobirk, J., McDermott, R.M., Plank, U., the, ASDEX Upgrade Team

“…Abstract An overview of results of negative triangularity (NT) studies from the ASDEX Upgrade tokamak (AUG) is given. Moderate values of the triangularity in…”
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The mechanism of the global vertical force reduction in disruptions mitigated by massive material injection by Schwarz, N., Artola, F.J., Vannini, F., Hoelzl, M., Bernert, M., Bock, A., Driessen, T., Dunne, M., Giannone, L., Heinrich, P., de Marné, P., Papp, G., Pautasso, G., Gerasimov, S., Upgrade Team, the ASDEX, Contributors, JET

“…Abstract Disruptions lead to a rapid loss of thermal and magnetic energy and can cause large heat loads, mechanical forces, and the excitation of a beam of…”
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Experimental validation of the intensity refractometry principle for density measurements at the edge of a tokamak by Usoltseva, M., Heuraux, S., Faugel, H., Bobkov, V., Fünfgelder, H., Grenfell, G., Herrmann, A., Khabibullin, I., Tal, B., Wagner, D., Wendler, D., Zeus, F., Team, ASDEX Upgrade

“…•First experimental validation is presented for a new microwave density diagnostic.•The diagnostic, intensity refractometry, is applicable to tokamak edge and…”
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Experimental determination of the three components of toroidal momentum transport in the core of a tokamak plasma by Zimmermann, C.F.B., McDermott, R.M., Angioni, C., Duval, B.P., Dux, R., Fable, E., Luda, T., Salmi, A., Stroth, U., Tala, T., Tardini, G., Pütterich, T.

“…Abstract A new approach to infer the momentum transport in tokamak core plasmas via perturbation experiments is presented. For the first time, the analysis…”
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Analysis of high frequency Alfvén eigenmodes observed in ASDEX Upgrade plasmas in the presence of RF-accelerated NBI ions by Ochoukov, R., Sipilä, S., Bilato, R., Bobkov, V., Dreval, M., Weiland, M., Dendy, R., Faugel, H., Johnson, T., Kappatou, A., Kazakov, Y., McClements, K.G., Moseev, D., Salewski, M., Schneider, P., Team, ASDEX Upgrade, MST1 Team, EUROfusion

“…Abstract High frequency Alfvén eigenmodes in the ion cyclotron frequency range are actively researched on the ASDEX Upgrade tokamak (AUG). The general…”
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Transport and acceleration mechanism of fast ions during edge localized modes in ASDEX Upgrade by Rivero-Rodríguez, J.F., Galdon-Quiroga, J., Domínguez-Palacios, J., García-Muñoz, M., Garcia-Vallejo, D., Gonzalez-Martin, J., McClements, K.G., Sanchís, L., Särkimäki, K., Snicker, A., Todo, Y., Velarde, L., Viezzer, E.

“…Abstract Observations of enhanced fast-ion losses during edge localized modes (ELMs) have been reported in the ASDEX Upgrade tokamak, revealing losses above…”
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SOLPS-ITER simulations of an X-point radiator in the ASDEX Upgrade tokamak by Pan, O., Bernert, M., Lunt, T., Cavedon, M., Kurzan, B., Wiesen, S., Wischmeier, M., Stroth, U., Upgrade Team, the ASDEX

“…Abstract The X-point radiator (XPR) is an attractive scenario that may contribute to solving the power exhaust problem in future fusion devices. The 2D…”
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Real-time control of NBI fast ions, current-drive and heating properties by Weiland, M., Kudlacek, O., Sieglin, B., Bilato, R., Plank, U., Treutterer, W., Upgrade Team, the ASDEX

“…Abstract Conventionally, neutral beam injection (NBI) in tokamaks is controlled via engineering parameters such as injection voltage and power. Recently, the…”
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Experimental investigation of current jumps in linear geometry hot cathode ionization gauges in strong magnetic fields by Castillo, Alberto Castillo, Mackel, Felix, Griener, Michael, Birkenmeier, Gregor, Team, the ASDEX Upgrade

“…•Current jumps or perturbations in hot cathode ionization jumps explored.•Dependence found with pressure, heating current, electrode voltage, and magnetic…”
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Mitigation of divertor edge localised mode power loading by impurity seeding by Komm, M., Faitsch, M., Henderson, S., Bernert, M., Brida, D., Février, O., Järvinen, A., Silvagni, D., Tskhakaya, D., Upgrade Team, the ASDEX, MST1 Team, the EUROfusion

“…Abstract One of the major challenges for the design of future thermonuclear reactors is the problem of power exhaust—the removal of heat fluxes deposited by…”
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Effect of local wall clearance on scrape-off layer electron density profiles in ASDEX Upgrade by Tal, B., Wolfrum, E., Bernert, M., Birkenmeier, G., Brida, D., Fischer, R., Grenfell, G., Griener, M., Grover, O., Hobirk, J., Kurzan, B., Lunt, T., Schneider, P.A., Vianello, N., Wendler, D., Upgrade Team, the ASDEX

“…Abstract The plasma electron density is measured with multiple diagnostics in the scrape-off layer of the ASDEX Upgrade tokamak. The recorded values are…”
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Real-time implementation of the high-fidelity NBI code RABBIT into the discharge control system of ASDEX Upgrade by Weiland, M., Bilato, R., Sieglin, B., Felici, F., Giannone, L., Kudlacek, O., Rampp, M., Scheffer, M., Treutterer, W., Zehetbauer, T., Upgrade Team, the ASDEX

“…Abstract For the first time, a real-time capable NBI code, which has a comparable fidelity to the much more computationally expensive Monte Carlo codes such as…”
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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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Experimentally corroborated model of pressure relaxation limit cycle oscillations in the vicinity of the transition to high confinement in tokamaks by Grover, O., Manz, P., Yashin, A.Y., Réfy, D.I., Seidl, J., Vianello, N., Birkenmeier, G., Solano, E.R., Sos, M., Bohm, P., Bilkova, P., Hron, M., Panek, R., Upgrade Team, the ASDEX, Team, the COMPASS, Team, the Globus-M

“…Abstract An analytical formula systematically predicts the observed frequency of pressure relaxation limit cycle oscillations in the vicinity of the transition…”
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Iterative reconstruction methods and the resolution principle for fast-ion loss detector measurements by S. Schmidt, Bo, Galdon-Quíroga, Joaquín, Rueda-Rueda, José, Poley-Sanjuán, Jesús, García-Muñoz, Manuel, Järleblad, Henrik, C.G. Reman, Bernard, Rud, Mads, Valentini, Andrea, Salewski, Mirko, Upgrade Team, the ASDEX, Tokamak Exploitation Team, the EUROfusion

“…Abstract Fast-ion loss detectors (FILDs) are crucial for analyzing fast-ion dynamics in magnetically confined fusion plasmas. A core challenge is to derive an…”
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Probing non-linear MHD stability of the EDA H-mode in ASDEX Upgrade by Cathey, A., Hoelzl, M., Gil, L., Dunne, M.G., Harrer, G.F., Huijsmans, G.T.A., Kalis, J., Lackner, K., Pamela, S.J.P., Wolfrum, E., Günter, S., Team, the JOREK, Upgrade Team, the ASDEX, MST1 Team, the EUROfusion

“…Abstract Regimes of operation in tokamaks that are devoid of large edge localised modes have to be better understood to extrapolate their applicability to…”
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Characterisation of electron cyclotron wall conditioning plasma in ASDEX Upgrade by Wauters, T., Buermans, J., Cavalier, J., Huett, E., Ragona, R., Svoboda, J., Bobkov, V., Griener, M., Jacobsen, A.S., Kallenbach, A., Likonen, J., Loarer, T., Lunt, T., Nielsen, S.K., Pitts, R.A., Ricci, D., Rohde, V., Stober, J., Schneider, P., Usoltseva, M., Team, the ASDEX Upgrade

“…Abstract Electron cyclotron wall condition (ECWC) discharges are characterised in ASDEX Upgrade with full tungsten plasma facing components and X2 polarised…”
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SOL parallel momentum loss in ASDEX Upgrade and comparison with SOLPS by Paradela Pérez, I., Scarabosio, A., Groth, M., Wischmeier, M., Reimold, F., Upgrade Team, ASDEX

“…•In AUG experiments, strong electron pressure losses for Te, t < 10eV and in the near SOL only) ⇒fmom=fmom(Te,t,ρ)•In SOLPS, fmom quantitatively weaker than in…”
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Helium plasma operations on ASDEX Upgrade and JET in support of the non-nuclear phases of ITER by Hakola, A., Balden, M., Baruzzo, M., Bisson, R., Brezinsek, S., Dittmar, T., Douai, D., Dunne, M., Garzotti, L., Groth, M., Henriques, R., Horvath, L., Jepu, I., Joffrin, E., Kappatou, A., Keeling, D., Krieger, K., Labit, B., Lennholm, M., Likonen, J., Loarte, A., Lomas, P., Lowry, C., Maslov, M., Matveev, D., Pitts, R.A., Plank, U., Rasinski, M., Ryan, D., Saarelma, S., Silburn, S., Solano, E.R., Suttrop, W., Tala, T., Tsitrone, E., Vianello, N., Wauters, T., Widdowson, A., Wischmeier, M., Exploitation Team, the EUROfusion Tokamak, Team, the ASDEX Upgrade

“…Abstract For its initial operational phase, ITER has until recently considered using non-nuclear hydrogen (H) or helium (He) plasmas to keep nuclear activation…”
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Stability and propagation of the high field side high density front in the fluctuating state of detachment in ASDEX Upgrade by Manz, P., Potzel, S., Reimold, F., Wischmeier, M., Team, ASDEX Upgrade

“…•Dynamics of X-point fluctuations are studied via time-delay-estimations.•A mechanism for fluctuations appearing during high-field-side detachment is…”
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