Search Results - "Team, the EUROfusion Tokamak Exploitation"

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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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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Characteristics of the Alfvénic activity during the current quench in ASDEX Upgrade by Heinrich, P., Papp, G., Lauber, Ph, Pautasso, G., Dunne, M., Maraschek, M., Igochine, V., Linder, O.

“…Abstract ASDEX Upgrade has developed multiple massive gas injection (MGI) scenarios to investigate runaway electron (RE) dynamics. During the current quench of…”
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The multi-faced nature of the quasicoherent mode in EDA H-mode by Grenfell, G., Gil, L., Manz, P., Silva, C., Adamek, J., Brida, D., Conway, G.D., Eich, T., Faitsch, M., Happel, T., Spolaore, M., Stroth, U., Tal, B., Vanovac, B., Wolfrum, E.

“…Abstract In order to extend the enhanced D-Alpha H-mode to future devices, it is crucial to understand the properties of the main signature of this regime, the…”
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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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An extensive analysis of SOL properties in high-δ plasmas in ASDEX Upgrade by Redl, A., Eich, T., Vianello, N., Adamek, J., Bernert, M., Birkenmeier, G., Brida, D., David, P., Faitsch, M., Fischer, R., Grenfell, G., Ochoukov, R., Rohde, V., Tal, B., Dreval, M.

“…Abstract A set of dedicated H-mode discharges with constant heating power combining Neutral Beam Injection and Electron Cyclotron Resonance Heating have been…”
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Investigations of atomic and molecular processes of NBI-heated discharges in the MAST Upgrade Super-X divertor with implications for reactors by Verhaegh, Kevin, Harrison, James, Lipschultz, Bruce, Lonigro, Nicola, Kobussen, Stijn, Moulton, David, Osborne, Nick, Ryan, Peter, Theiler, Christian, Wijkamp, Tijs, Brida, Dominik, Derks, Gijs, Doyle, Rhys, Federici, Fabio, Hakola, Antti, Henderson, Stuart, Kool, Bob, Newton, Sarah, Osawa, Ryoko, Pope, Xander, Reimerdes, Holger, Vianello, Nicola, Wischmeier, Marco

“…Abstract This experimental study presents an in-depth investigation of the performance of the MAST-U Super-X divertor during NBI-heated operation (up to 2.5…”
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Expulsion of runaway electrons using ECRH in the TCV tokamak by Decker, J., Hoppe, M., Sheikh, U., Duval, B.P., Papp, G., Simons, L., Wijkamp, T., Cazabonne, J., Coda, S., Devlaminck, E., Ficker, O., Hellinga, R., Kumar, U., Savoye-Peysson, Y., Porte, L., Reux, C., Sommariva, C., Tema Biwolé, A., Vincent, B., Votta, L., Team, the TCV

“…Abstract Runaway electrons (REs) are a concern for tokamak fusion reactors from discharge startup to termination. A sudden localized loss of a multi-megaampere…”
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Density pedestal prediction model for tokamak plasmas by Saarelma, S., Connor, J.W., Bílková, P., Bohm, P., Bowman, C., Field, A.R., Frassinetti, L., Friedström, R., Henderson, S., Imada, K., Kirk, A., Kwon, O.J., Luda, T., Sarwar, R., Scannell, R., Smith, S.F.

“…Abstract A model for the pedestal density prediction based on neutral penetration combined with pedestal transport is presented. The model is tested against a…”
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First results of laser-induced desorption - quadrupole mass spectrometry (LID-QMS) at JET by Zlobinski, M., Sergienko, G., Jepu, I., Rowley, C., Widdowson, A., Ellis, R., Kos, D., Coffey, I., Fortune, M., Kinna, D., Beldishevski, M., Krimmer, A., Lambertz, H.T., Terra, A., Huber, A., Brezinsek, S., Dittmar, T., Flebbe, M., Yi, R., Rayaprolu, R., Figueiredo, J., Blatchford, P., Silburn, S., Tsitrone, E., Joffrin, E., Krieger, K., Corre, Y., Hakola, A., Likonen, J.

“…Abstract The paper reports the first demonstration of in situ laser-induced desorption — quadrupole mass spectrometry (LID-QMS) application on a large scale…”
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Negative triangularity scenarios: from TCV and AUG experiments to DTT predictions by Mariani, A., Aucone, L., Balestri, A., Mantica, P., Merlo, G., Ambrosino, R., Bagnato, F., Balbinot, L., Ball, J., Bolzonella, T., Brioschi, D., Casiraghi, I., Castaldo, A., Coda, S., Frassinetti, L., Fusco, V., Happel, T., Hobirk, J., Innocente, P., McDermott, R.M., Muscente, P., Pütterich, T., Sauter, O., Sciortino, F., Vallar, M., Vanovac, B., Vianello, N., Vlad, G., Zimmermann, C.F.B.

“…Abstract Experiments, gyrokinetic simulations and transport predictions were performed to investigate if a negative triangularity (NT) L-mode option for the…”
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Error field detection and correction studies towards ITER operation by Piron, L., Paz-Soldan, C., Pigatto, L., Zanca, P., Sauter, O., Putterich, T., Bettini, P., Bonotto, M., Cunningham, G., De Tommasi, G., Ferron, N., Gambrioli, M., Graham, G., De Vries, P., Gribov, Y., Hu, Q., Kirov, K., Logan, N.C., Lennholm, M., Mattei, M., Maraschek, M., Markovic, T., Manduchi, G., Martin, P., Pironti, A., Polevoi, A.R., Ravensbergen, T., Ryan, D., Sieglin, B., Suttrop, W., Terranova, D., Teschke, W., Valcarcel, D.F., Vincent, C.

“…Abstract In magnetic fusion devices, error field (EF) sources, spurious magnetic field perturbations, need to be identified and corrected for safe and stable…”
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Overview of fast particle experiments in the first MAST Upgrade experimental campaigns by Rivero-Rodríguez, J.F., McClements, K.G., Fitzgerald, M., Sharapov, S.E., Cecconello, M., Crocker, N.A., Dolby, I., Dreval, M., Fil, N., Galdón-Quiroga, J., García-Muñoz, M., Blackmore, S., Heidbrink, W., Henderson, S., Jackson, A., Kappatou, A., Keeling, D., Liu, D., Liu, Y.Q., Michael, C., Oliver, H.J.C., Ollus, P., Parr, E., Prechel, G., Rhodes, T., Ryan, D., Shi, P., Vallar, M., Velarde, L., Williams, T., Wong, H.

“…Abstract MAST-U is equipped with on-axis and off-axis neutral beam injectors (NBI), and these external sources of super-Alfvénic deuterium fast-ions provide…”
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3D MHD modelling of plasmoid drift following massive material injection in a tokamak by Kong, M, Nardon, E, Bonfiglio, D, Hoelzl, M, Hu, D, team, the JOREK, contributors, JET, Team, the EUROfusion Tokamak Exploitation

“…Mechanisms of plasmoid drift following massive material injection are studied via 3D non-linear MHD modelling with the JOREK code, using a transient neutral…”
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Ion Temperature Measurements in the MAST-U Divertor During Steady State Plasmas and ELM Burn Through Phenomena by Damizia, Y, Elmore, S, Verhaegh, K, Ryan, P, Allan, S, Federici, F, Osborne, N, Bradley, J. W, Team, the MAST-U, Team, the EUROfusion Tokamak Exploitation

“…This study presents ion temperature (\(T_i\)) measurements in the MAST-U divertor, using a Retarding Field Energy Analyzer (RFEA). Steady state measurements…”
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Characteristics of the Alfv\'enic activity during the current quench in ASDEX Upgrade by Heinrich, P, Papp, G, Lauber, Ph, Pautasso, G, Dunne, M, Maraschek, M, Igochine, V, Linder, O, Team, the ASDEX Upgrade, Team, the EUROfusion Tokamak Exploitation

“…ASDEX Upgrade has developed multiple massive gas injection (MGI) scenarios to investigate runaway electron (RE) dynamics. During the current quench of the MGI…”
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Correlation of the L-mode density limit with edge collisionality by Maris, Andrew, Rea, Cristina, Pau, Alessandro, Hu, Wenhui, Xiao, Bingjia, Granetz, Robert, Marmar, Earl, team, the EUROfusion Tokamak Exploitation, team, the Alcator C-Mod, team, the ASDEX Upgrade, team, the DIII-D, team, the EAST, team, the TCV

“…The "density limit" is one of the fundamental bounds on tokamak operating space, and is commonly estimated via the empirical Greenwald scaling. This limit has…”
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First 2D electron density measurements using Coherence Imaging Spectroscopy in the MAST-U Super-X divertor by Lonigro, N, Doyle, R, Allcock, J. S, Lipschultz, B, Verhaegh, K, Bowman, C, Brida, D, Harrison, J, Myatra, O, Silburn, S, Theiler, C, Wijkamp, T. A, Team, MAST-U, Team, the EUROfusion Tokamak Exploitation

“…2D profiles of electron density and neutral temperature are inferred from multi-delay Coherence Imaging Spectroscopy data of divertor plasmas using a…”
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Radiated energy fraction of SPI-induced disruptions at ASDEX Upgrade by Heinrich, Paul, Papp, Gergely, Jachmich, Stefan, Artola, Javier, Bernert, Matthias, de Marné, Pascal, Dibon, Mathias, Dux, Ralph, Eberl, Thomas, Hobirk, Jörg, Lehnen, Michael, Peherstorfer, Tobias, Schwarz, Nina, Sheikh, Umar, Sieglin, Bernhard, Svoboda, Jakub, Team, the ASDEX Upgrade, Team, the EUROfusion Tokamak Exploitation

“…Future large tokamaks will operate at high plasma currents and high stored plasma energies. To ensure machine protection in case of a sudden loss of plasma…”
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First demonstration of Super-X divertor exhaust control for transient heat load management in compact fusion reactors by Kool, B, Verhaegh, K, Derks, G. L, Wijkamp, T. A, Lonigro, N, Doyle, R, McArdle, G, Vincent, C, Lovell, J, Federici, F, Henderson, S. S, Osawa, R. T, Brida, D, Reimerdes, H, van Berkel, M, team, The EUROfusion tokamak exploitation, team, the MAST-U

“…Nuclear fusion could offer clean, abundant energy. However, managing the immense power exhausted from the core fusion plasma towards the divertor remains a…”
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