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1 The dependence of confinement on the isotope mass in the core and the edge of AUG and JET-ILW H-mode plasmas [期刊论文]

Nuclear Fushion,2022年

P.A. Schneider, C. Angioni, L. Frassinetti, L. Horvath, M. Maslov, F. Auriemma, M. Cavedon, C.D. Challis, E. Delabie, M.G. Dunne, J.M. Fontdecaba, J. Hobirk, A. Kappatou, D.L. Keeling, B. Kurzan, M. Lennholm, B. Lomanowski, C.F. Maggi, R.M. McDermott, T. Pütterich, A. Thorman, M. Willensdorfer

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Experiments in ASDEX Upgrade (AUG) and JET with the ITER-like wall (JET-ILW) are performed to separate the pedestal and core contributions to confinement in H-modes with different main ion masses. A strong isotope mass dependence in the pedestal is found which is enhanced at high gas puffing. This is because the ELM type changes when going from D to H for matched engineering parameters, which is likely due to differences in the inter ELM transport with isotope mass. The pedestal can be matched in H and D plasmas by varying only the triangularity and keeping the engineering parameters relevant for core transport the same. With matched pedestals Astra/TGLF (Sat1geo) core transport simulations predict the experimental profiles equally well for H and D. These core transport simulations show a negligible mass dependence and no gyro-Bohm scaling is observed. However, to match the experimental observations at mediumβit is required to take the fast-ion dilution and rotation into account. This is not enough for highβplasmas where for the first time a profile match between H and D plasmas was achieved experimentally. Under these conditions quasilinear modelling with TGLF over predicts the transport in the core of H and D plasmas alike.

    2 Progress from ASDEX Upgrade experiments in preparing the physics basis of ITER operation and DEMO scenario development [期刊论文]

    Nuclear Fushion,2022年

    P. Petersson, P. Piovesan, C. Piron, U. Plank, B. Plaum, B. Plöck, V. Plyusnin, G. Pokol, E. Poli, L. Porte, T. Pütterich, M. Ramisch, J. Rasmussen, G. Ratta, S. Ratynskaia, G. Raupp, D. Réfy, M. Reich, F. Reimold, D. Reiser, M. Reisner, D. Reiter, T. Ribeiro, R. Riedl, J. Riesch, D. Rittich, J.F. Rivero Rodriguez, G. Rocchi, P. Rodriguez-Fernandez, M. Rodriguez-Ramos, V. Rohde, G. Ronchi, A. Ross, M. Rott, M. Rubel, D.A. Ryan, F. Ryter, S. Saarelma, M. Salewski, A. Salmi, O. Samoylov, L. Sanchis Sanchez, J. Santos, O. Sauter, G. Schall, K. Schlüter, K. Schmid, O. Schmitz, P.A. Schneider, R. Schrittwieser, M. Schubert, C. Schuster, T. Schwarz-Selinger, J. Schweinzer, E. Seliunin, A. Shabbir, A. Shalpegin, S. Sharapov, U. Sheikh, A. Shevelev, G. Sias, M. Siccinio, B. Sieglin, A. Sigalov, A. Silva, C. Silva, D. Silvagni, J. Simpson, S. Sipilä, E. Smigelskis, A. Snicker, U. Stroth, D. Aguiam, E. Alessi, C. Angioni, N. Arden, R. Arredondo Parra, V. Artigues, O. Asunta, M. Balden, V. Bandaru, A. Banon-Navarro, K. Behler, A. Bergmann, M. Bergmann, J. Bernardo, M. Bernert, A. Biancalani, R. Bielajew, R. Bilato, G. Birkenmeier, T. Blanken, V. Bobkov, A. Bock, T. Body, T. Bolzonella, N. Bonanomi, A. Bortolon, B. Böswirth, C. Bottereau, A. Bottino, H. van den Brand, M. Brenzke, S. Brezinsek, D. Brida, F. Brochard, C. Bruhn, J. Buchanan, A. Buhler, A. Burckhart, Y. Camenen, B. Cannas, P. Cano Megias, D. Carlton, M. Carr, P. Carvalho, C. Castaldo, M. Cavedon, C. Cazzaniga, C. Challis, A. Chankin, C. Cianfarani, F. Clairet, S. Coda, R. Coelho, J.W. Coenen, L. Colas, G. Conway, S. Costea, D. Coster, T. Cote, A.J. Creely, G. Croci, D.J. Cruz Zabala, G. Cseh, A. Czarnecka, I. Cziegler, O. D’Arcangelo, A. Dal Molin, P. David, C. Day, M. de Baar, P. de Marné, R. Delogu, S. Denk, P. Denner, A. Di Siena, J.J. Dominguez Palacios Durán, D. Dunai, A. Drenik, M. Dreval, R. Drube, M. Dunne, B.P. Duval, R. Dux, T. Eich, S. Elgeti, A. Encheva, K. Engelhardt, B. Erdös, I. Erofeev, B. Esposito, E. Fable, M. Faitsch, U. Fantz, M. Farnik, H. Faugel, F. Felici, O. Ficker, S. Fietz, A. Figueredo, R. Fischer, O. Ford, L. Frassinetti, M. Fröschle, G. Fuchert, J.C. Fuchs, H. Fünfgelder, S. Futatani, K. Galazka, J. Galdon-Quiroga, D. Gallart Escolà, A. Gallo, Y. Gao, S. Garavaglia, M. Garcia Muñoz, B. Geiger, L. Giannone, S. Gibson, L. Gil, E. Giovannozzi, S. Glöggler, M. Gobbin, J. Gonzalez Martin, T. Goodman, G. Gorini, T. Görler, D. Gradic, G. Granucci, A. Gräter, H. Greuner, M. Griener, M. Groth, A. Gude, L. Guimarais, S. Günter, G. Haas, A.H. Hakola, C. Ham, T. Happel, N. den Harder, G. Harrer, J. Harrison, V. Hauer, T. Hayward-Schneider, B. Heinemann, T. Hellsten, S. Henderson, P. Hennequin, A. Herrmann, E. Heyn, F. Hitzler, J. Hobirk, K. Höfler, J.H. Holm, M. Hölzl, C. Hopf, L. Horvath, T. Höschen, A. Houben, A. Hubbard, A. Huber, K. Hunger, V. Igochine, M. Iliasova, T. Ilkei, K. Insulander Björk, C. Ionita-Schrittwieser, I. Ivanova-Stanik, W. Jacob, N. Jaksic, F. Janky, A. Jansen van Vuuren, A. Jardin, F. Jaulmes, F. Jenko, T. Jensen, E. Joffrin, A. Kallenbach, S. Kálvin, M. Kantor, A. Kappatou, O. Kardaun, J. Karhunen, C.-P. Käsemann, S. Kasilov, A. Kendl, W. Kernbichler, E. Khilkevitch, A. Kirk, S. Kjer Hansen, V. Klevarova, G. Kocsis, M. Koleva, M. Komm, M. Kong, A. Krämer-Flecken, K. Krieger, A. Krivska, O. Kudlacek, T. Kurki-Suonio, B. Kurzan, B. Labit, K. Lackner, F. Laggner, A. Lahtinen, P.T. Lang, P. Lauber, N. Leuthold, L. Li, J. Likonen, O. Linder, B. Lipschultz, Y. Liu, A. Lohs, Z. Lu, T. Luda di Cortemiglia, N.C. Luhmann, T. Lunt, A. Lyssoivan, T. Maceina, J. Madsen, A. Magnanimo, H. Maier, J. Mailloux, R. Maingi, O. Maj, E. Maljaars, P. Manas, A. Mancini, A. Manhard, P. Mantica, M. Mantsinen, P. Manz, M. Maraschek, C. Marchetto, L. Marrelli, P. Martin, A. Martitsch, F. Matos, M. Mayer, M.-L. Mayoral, D. Mazon, P.J. McCarthy, R. McDermott, R. Merkel, A. Merle, D. Meshcheriakov, H. Meyer, D. Milanesio, P. Molina Cabrera, F. Monaco, M. Muraca, F. Nabais, V. Naulin, R. Nazikian, R.D. Nem, A. Nemes-Czopf, G. Neu, R. Neu, A.H. Nielsen, S.K. Nielsen, T. Nishizawa, M. Nocente, J.-M. Noterdaeme, I. Novikau, S. Nowak, M. Oberkofler, R. Ochoukov, J. Olsen, F. Orain, F. Palermo, O. Pan, G. Papp, I. Paradela Perez, A. Pau, G. Pautasso, C. Paz-Soldan, E. Solano, C. Sommariva, C. Sozzi, G. Spizzo, M. Spolaore, A. Stegmeir, M. Stejner, J. Stober, E. Strumberge, G. Suarez Lopez, H.-J. Sun, W. Suttrop, E. Sytova, T. Szepesi, B. Tál, T. Tala, G. Tardini, M. Tardocchi, D. Terranova, M. Teschke, E. Thorén, W. Tierens, D. Told, W. Treutterer, G. Trevisan, E. Trier, M. Tripský, M. Usoltceva, M. Valisa, M. Valovic, M. van Zeeland, F. Vannini, B. Vanovac, P. Varela, S. Varoutis, N. Vianello, J. Vicente, G. Verdoolaege, T. Vierle, E. Viezzer, I. Voitsekhovitch, U. von Toussaint, D. Wagner, X. Wang, M. Weiland, A.E. White, M. Willensdorfer, B. Wiringer, M. Wischmeier, R. Wolf, E. Wolfrum, Q. Yang, Q. Yu, R. Zagórski, I. Zammuto, T. Zehetbauer, W. Zhang, W. Zholobenko, M. Zilker, A. Zito, H. Zohm, S. Zoletnik, the EUROfusion MST1 Team

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    An overview of recent results obtained at the tokamak ASDEX Upgrade (AUG) is given. A work flow for predictive profile modelling of AUG discharges was established which is able to reproduce experimental H-mode plasma profiles based on engineering parameters only. In the plasma center, theoretical predictions on plasma current redistribution by a dynamo effect were confirmed experimentally. For core transport, the stabilizing effect of fast ion distributions on turbulent transport is shown to be important to explain the core isotope effect and improves the description of hollow low- Zimpurity profiles. The L–H power threshold of hydrogen plasmas is not affected by small helium admixtures and it increases continuously from the deuterium to the hydrogen level when the hydrogen concentration is raised from 0 to 100%. One focus of recent campaigns was the search for a fusion relevant integrated plasma scenario without large edge localised modes (ELMs). Results from six different ELM-free confinement regimes are compared with respect to reactor relevance: ELM suppression by magnetic perturbation coils could be attributed to toroidally asymmetric turbulent fluctuations in the vicinity of the separatrix. Stable improved confinement mode plasma phases with a detached inner divertor were obtained using a feedback control of the plasmaβ . The enhanced D α H-mode regime was extended to higher heating power by feedback controlled radiative cooling with argon. The quasi-coherent exhaust regime was developed into an integrated scenario at high heating power and energy confinement, with a detached divertor and without large ELMs. Small ELMs close to the separatrix lead to peeling-ballooning stability and quasi continuous power exhaust. Helium beam density fluctuation measurements confirm that transport close to the separatrix is important to achieve the different ELM-free regimes. Based on separatrix plasma parameters and interchange-drift-Alfvén turbulence, an analytic model was derived that reproduces the experimentally found important operational boundaries of the density limit and between L- and H-mode confinement. Feedback control for the X-point radiator (XPR) position was established as an important element for divertor detachment control. Stable and detached ELM-free phases with H-mode confinement quality were obtained when the XPR was moved 10 cm above the X-point. Investigations of the plasma in the future flexible snow-flake divertor of AUG by means of first SOLPS-ITER simulations with drifts activated predict beneficial detachment properties and the activation of an additional strike point by the drifts.

      3 High-confinement radiative L-modes in ASDEX Upgrade [期刊论文]

      Nuclear Fushion,2022年

      E. Fable, A. Kallenbach, R.M. McDermott, M. Bernert, C. Angioni, the ASDEX Upgrade Team

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      Experiments have been performed in the ASDEX Upgrade tokamak where plasmas are kept just below the H-mode threshold using feedback on the radiated power via seeded impurity. The resulting high-power L-modes show high confinement properties and no ELM activity due to the reduced pedestal height. The physics of these high-confinement L-modes is explored by means of integrated modeling to clarify the origin of the improved confinement.

        4 Overview of JET results for optimising ITER operation [期刊论文]

        Nuclear Fushion,2022年

        D. Alegre, S. Aleiferis, A. Aleksa, A.G. Alekseev, E. Alessi, P. Aleynikov, J. Algualcil, M. Ali, M. Allinson, B. Alper, E. Alves, G. Ambrosino, R. Ambrosino, V. Amosov, E.Andersson Sundén, P. Andrew, B.M. Angelini, C. Angioni, I. Antoniou, L.C. Appel, C. Appelbee, S. Aria, M. Ariola, G. Artaserse, W. Arter, V. Artigues, N. Asakura, A. Ash, N. Ashikawa, V. Aslanyan, M. Astrain, O. Asztalos, D. Auld, F. Auriemma, Y. Austin, L. Avotina, E. Aymerich, A. Lyssoivan, M. Machielsen, E. Macusova, R. Mäenpää, C.F. Maggi, R. Maggiora, M. Magness, S. Mahesan, H. Maier, R. Maingi, K. Malinowski, P. Manas, P. Mantica, M.J. Mantsinen, J. Manyer, A. Manzanares, Ph. Maquet, G. Marceca, N. Marcenko, C. Marchetto, O. Marchuk, A. Mariani, G. Mariano, M. Marin, M. Marinelli, T. Markovič, D. Marocco, L. Marot, S. Marsden, J. Marsh, R. Marshall, L. Martellucci, A. Martin, A.J. Martin, R. Martone, S. Maruyama, G. Ramogida, D. Rasmussen, J.J. Rasmussen, G. Rattá, S. Ratynskaia, M. Rebai, D. Réfy, R. Reichle, M. Reinke, D. Reiser, C. Reux, S. Reynolds, M.L. Richiusa, S. Richyal, D. Rigamonti, F.G. Rimini, J. Risner, M. Riva, J. Rivero-Rodriguez, C.M. Roach, R. Robins, S. Robinson, D. Robson, R. Rodionov, P. Rodrigues, M.Rodriguez Ramos, P. Rodriguez-Fernandez, F. Romanelli, M. Romanelli, S. Romanelli, J. Romazanov, R. Rossi, S. Rowe, D. Rowlands, M. Rubel, G. Rubinacci, G. Rubino, L. Ruchko, M. Ruiz, J.Ruiz Ruiz, C. Ruset, J. Rzadkiewicz, S. Saarelma, E. Safi, A. Sahlberg, M. Salewski, A. Salmi, R. Salmon, F. Salzedas, I. Sanders, D. Sandiford, B. Santos, A. Santucci, K. Särkimäki, R. Sarwar, I. Sarychev, O. Sauter, P. Sauwan, N. Scapin, F. Schluck, K. Schmid, S. Schmuck, M. Schneider, P.A. Schneider, D. Schwörer, G. Scott, M. Scott, D. Scraggs, S. Scully, M. Segato, Jaemin Seo, G. Sergienko, M. Sertoli, S.E. Sharapov, A. Shaw, H. Sheikh, U. Sheikh, A. Shepherd, A. Shevelev, P. Shigin, K. Shinohara, S. Shiraiwa, D. Shiraki, M. Short, G. Sias, S.A. Silburn, A. Silva, C. Silva, J. Silva, D. Silvagni, D. Simfukwe, J. Simpson, D. Sinclair, S.K. Sipilä, A.C.C. Sips, P. Sirén, A. Sirinelli, H. Sjöstrand, N. Skinner, J. Slater, N. Smith, P. Smith, J. Snell, G. Snoep, L. Snoj, P. Snyder, S. Soare, E.R. Solano, H.J. Sun, T.E. Susts, J. Svensson, J. Svoboda, R. Sweeney, D. Sytnykov, T. Szabolics, G. Szepesi, B. Tabia, T. Tadić, B. Tál, T. Tala, A. Tallargio, P. Tamain, H. Tan, K. Tanaka, W. Tang, M. Tardocchi, D. Taylor, A.S. Teimane, G. Telesca, N. Teplova, A. Teplukhina, D. Terentyev, A. Terra, D. Terranova, N. Terranova, D. Testa, E. Tholerus, J. Thomas, E. Thoren, A. Thorman, W. Tierens, R.A. Tinguely, A. Tipton, H. Todd, J. Mailloux, N. Abid, K. Abraham, P. Abreu, O. Adabonyan, P. Adrich, V. Afanasev, M. Afzal, T. Ahlgren, L. Aho-Mantila, N. Aiba, M. Airila, M. Akhtar, R. Albanese, M. Alderson-Martin, A. Baciero, F. Bairaktaris, J. Balbin, L. Balbinot, I. Balboa, M. Balden, C. Balshaw, N. Balshaw, V.K. Bandaru, J. Banks, Yu.F. Baranov, C. Barcellona, A. Barnard, M. Barnard, R. Barnsley, A. Barth, M. Baruzzo, S. Barwell, M. Bassan, A. Batista, P. Batistoni, L. Baumane, B. Bauvir, L. Baylor, P.S. Beaumont, D. Beckett, A. Begolli, M. Beidler, N. Bekris, M. Beldishevski, E. Belli, F. Belli, É. Belonohy, M. Ben Yaala, J. Benayas, J. Bentley, H. Bergsåker, J. Bernardo, M. Bernert, M. Berry, L. Bertalot, H. Betar, M. Beurskens, S. Bickerton, B. Bieg, J. Bielecki, A. Bierwage, T. Biewer, R. Bilato, P. Bílková, G. Birkenmeier, H. Bishop, J.P.S. Bizarro, J. Blackburn, P. Blanchard, P. Blatchford, V. Bobkov, A. Boboc, P. Bohm, T. Bohm, I. Bolshakova, T. Bolzonella, N. Bonanomi, D. Bonfiglio, X. Bonnin, P. Bonofiglo, S. Boocock, A. Booth, J. Booth, D. Borba, D. Borodin, I. Borodkina, C. Boulbe, C. Bourdelle, M. Bowden, K. Boyd, I.Božičević Mihalić, S.C. Bradnam, V. Braic, L. Brandt, R. Bravanec, B. Breizman, A. Brett, S. Brezinsek, M. Brix, K. Bromley, B. Brown, D. Brunetti, R. Buckingham, M. Buckley, R. Budny, J. Buermans, H. Bufferand, P. Buratti, A. Burgess, A. Buscarino, A. Busse, D. Butcher, E.de la Cal, G. Calabrò, L. Calacci, R. Calado, Y. Camenen, G. Canal, B. Cannas, M. Cappelli, S. Carcangiu, P. Card, A. Cardinali, P. Carman, D. Carnevale, M. Carr, D. Carralero, L. Carraro, I.S. Carvalho, P. Carvalho, I. Casiraghi, F.J. Casson, C. Castaldo, J.P. Catalan, N. Catarino, F. Causa, M. Cavedon, M. Cecconello, C.D. Challis, B. Chamberlain, C.S. Chang, A. Chankin, B. Chapman, M. Chernyshova, A. Chiariello, P. Chmielewski, A. Chomiczewska, L. Chone, G. Ciraolo, D. Ciric, J. Citrin, Ł. Ciupinski, M. Clark, R. Clarkson, C. Clements, M. Cleverly, J.P. Coad, P. Coates, A. Cobalt, V. Coccorese, R. Coelho, J.W. Coenen, I.H. Coffey, A. Colangeli, L. Colas, C. Collins, J. Collins, S. Collins, D. Conka, S. Conroy, B. Conway, N.J. Conway, D. Coombs, P. Cooper, S. Cooper, C. Corradino, G. Corrigan, D. Coster, P. Cox, T. Craciunescu, S. Cramp, C. Crapper, D. Craven, R. Craven, M.Crialesi Esposito, G. Croci, D. Croft, A. Croitoru, K. Crombé, T. Cronin, N. Cruz, C. Crystal, G. Cseh, A. Cufar, A. Cullen, M. Curuia, T. Czarski, H. Dabirikhah, A.Dal Molin, E. Dale, P. Dalgliesh, S. Dalley, J. Dankowski, P. David, A. Davies, S. Davies, G. Davis, K. Dawson, S. Dawson, I.E. Day, M. De Bock, G. De Temmerman, G. De Tommasi, K. Deakin, J. Deane, R. Dejarnac, D. Del Sarto, E. Delabie, D. Del-Castillo-Negrete, A. Dempsey, R.O. Dendy, P. Devynck, A. Di Siena, C. Di Troia, T. Dickson, P. Dinca, T. Dittmar, J. Dobrashian, R.P. Doerner, A.J.H. Donné, S. Dorling, S. Dormido-Canto, D. Douai, S. Dowson, R. Doyle, M. Dreval, P. Drewelow, P. Drews, G. Drummond, Ph. Duckworth, H. Dudding, R. Dumont, P. Dumortier, D. Dunai, T. Dunatov, M. Dunne, I. Ďuran, F. Durodié, R. Dux, A. Dvornova, R. Eastham, J. Edwards, Th. Eich, A. Eichorn, N. Eidietis, A. Eksaeva, H. El Haroun, G. Ellwood, C. Elsmore, O. Embreus, S. Emery, G. Ericsson, B. Eriksson, F. Eriksson, J. Eriksson, L.G. Eriksson, S. Ertmer, S. Esquembri, A.L. Esquisabel, T. Estrada, G. Evans, S. Evans, E. Fable, D. Fagan, M. Faitsch, M. Falessi, A. Fanni, A. Farahani, I. Farquhar, A. Fasoli, B. Faugeras, S. Fazinić, F. Felici, R. Felton, A. Fernandes, H. Fernandes, J. Ferrand, D.R. Ferreira, J. Ferreira, G. Ferrò, J. Fessey, O. Ficker, A.R. Field, A. Figueiredo, J. Figueiredo, A. Fil, N. Fil, P. Finburg, D. Fiorucci, U. Fischer, G. Fishpool, L. Fittill, M. Fitzgerald, D. Flammini, J. Flanagan, K. Flinders, S. Foley, N. Fonnesu, M. Fontana, J.M. Fontdecaba, S. Forbes, A. Formisano, T. Fornal, L. Fortuna, E. Fortuna-Zalesna, M. Fortune, C. Fowler, E. Fransson, L. Frassinetti, M. Freisinger, R. Fresa, R. Fridström, D. Frigione, T. Fülöp, M. Furseman, V. Fusco, S. Futatani, D. Gadariya, K. Gál, D. Galassi, K. Gałązka, S. Galeani, D. Gallart, R. Galvão, Y. Gao, J. Garcia, M. García-Muñoz, M. Gardener, L. Garzotti, J. Gaspar, R. Gatto, P. Gaudio, D. Gear, T. Gebhart, S. Gee, M. Gelfusa, R. George, S.N. Gerasimov, G. Gervasini, M. Gethins, Z. Ghani, M. Gherendi, F. Ghezzi, J.C. Giacalone, L. Giacomelli, G. Giacometti, C. Gibson, K.J. Gibson, L. Gil, A. Gillgren, D. Gin, E. Giovannozzi, C. Giroud, R. Glen, S. Glöggler, J. Goff, P. Gohil, V. Goloborodko, R. Gomes, B. Gonçalves, M. Goniche, A. Goodyear, S. Gore, G. Gorini, T. Görler, N. Gotts, R. Goulding, E. Gow, B. Graham, J.P. Graves, H. Greuner, B. Grierson, J. Griffiths, S. Griph, D. Grist, W. Gromelski, M. Groth, R. Grove, M. Gruca, D. Guard, N. Gupta, C. Gurl, A. Gusarov, L. Hackett, S. Hacquin, R. Hager, L. Hägg, A. Hakola, M. Halitovs, S. Hall, S.A. Hall, S. Hallworth-Cook, C.J. Ham, D. Hamaguchi, M. Hamed, C. Hamlyn-Harris, K. Hammond, E. Harford, J.R. Harrison, D. Harting, Y. Hatano, D.R. Hatch, T. Haupt, J. Hawes, N.C. Hawkes, J. Hawkins, T. Hayashi, S. Hazael, S. Hazel, P. Heesterman, B. Heidbrink, W. Helou, O. Hemming, S.S. Henderson, R.B. Henriques, D. Hepple, J. Herfindal, G. Hermon, J. Hill, J.C. Hillesheim, K. Hizanidis, A. Hjalmarsson, A. Ho, J. Hobirk, O. Hoenen, C. Hogben, A. Hollingsworth, S. Hollis, E. Hollmann, M. Hölzl, B. Homan, M. Hook, D. Hopley, J. Horáček, D. Horsley, N. Horsten, A. Horton, L.D. Horton, L. Horvath, S. Hotchin, R. Howell, Z. Hu, A. Huber, V. Huber, T. Huddleston, G.T.A. Huijsmans, P. Huynh, A. Hynes, M. Iliasova, D. Imrie, M. Imríšek, J. Ingleby, P. Innocente, K. Insulander Björk, N. Isernia, I. Ivanova-Stanik, E. Ivings, S. Jablonski, S. Jachmich, T. Jackson, P. Jacquet, H. Järleblad, F. Jaulmes, J.Jenaro Rodriguez, I. Jepu, E. Joffrin, R. Johnson, T. Johnson, J. Johnston, C. Jones, G. Jones, L. Jones, N. Jones, T. Jones, A. Joyce, R. Juarez, M. Juvonen, P. Kalniņa, T. Kaltiaisenaho, J. Kaniewski, A. Kantor, A. Kappatou, J. Karhunen, D. Karkinsky, Yu Kashchuk, M. Kaufman, G. Kaveney, Ye.O. Kazakov, V. Kazantzidis, D.L. Keeling, R. Kelly, M. Kempenaars, C. Kennedy, D. Kennedy, J. Kent, K. Khan, E. Khilkevich, C. Kiefer, J. Kilpeläinen, C. Kim, Hyun-Tae Kim, S.H. Kim, D.B. King, R. King, D. Kinna, V.G. Kiptily, A. Kirjasuo, K.K. Kirov, A. Kirschner, T. kiviniemi, G. Kizane, M. Klas, C. Klepper, A. Klix, G. Kneale, M. Knight, P. Knight, R. Knights, S. Knipe, M. Knolker, S. Knott, M. Kocan, F. Köchl, I. Kodeli, Y. Kolesnichenko, Y. Kominis, M. Kong, V. Korovin, B. Kos, D. Kos, H.R. Koslowski, M. Kotschenreuther, M. Koubiti, E. Kowalska-Strzęciwilk, K. Koziol, A. Krasilnikov, V. Krasilnikov, M. Kresina, K. Krieger, N. Krishnan, A. Krivska, U. Kruezi, I. Książek, A.B. Kukushkin, H. Kumpulainen, T. Kurki-Suonio, H. Kurotaki, S. Kwak, O.J. Kwon, L. Laguardia, E. Lagzdina, A. Lahtinen, A. Laing, N. Lam, H.T. Lambertz, B. Lane, C. Lane, E.Lascas Neto, E. Łaszyńska, K.D. Lawson, A. Lazaros, E. Lazzaro, G. Learoyd, Chanyoung Lee, S.E. Lee, S. Leerink, T. Leeson, X. Lefebvre, H.J. Leggate, J. Lehmann, M. Lehnen, D. Leichtle, F. Leipold, I. Lengar, M. Lennholm, E. Leon Gutierrez, B. Lepiavko, J. Leppänen, E. Lerche, A. Lescinskis, J. Lewis, W. Leysen, L. Li, Y. Li, J. Likonen, Ch. Linsmeier, B. Lipschultz, X. Litaudon, E. Litherland-Smith, F. Liu, T. Loarer, A. Loarte, R. Lobel, B. Lomanowski, P.J. Lomas, J.M. López, R. Lorenzini, S. Loreti, U. Losada, V.P. Loschiavo, M. Loughlin, Z. Louka, J. Lovell, T. Lowe, C. Lowry, S. Lubbad, T. Luce, R. Lucock, A. Lukin, C. Luna, E.de la Luna, M. Lungaroni, C.P. Lungu, T. Lunt, V. Lutsenko, B. Lyons, M. Maslov, S. Masuzaki, S. Matejcik, M. Mattei, G.F. Matthews, D. Matveev, E. Matveeva, A. Mauriya, F. Maviglia, M. Mayer, M.-L. Mayoral, S. Mazzi, C. Mazzotta, R. McAdams, P.J. McCarthy, K.G. McClements, J. McClenaghan, P. McCullen, D.C. McDonald, D. McGuckin, D. McHugh, G. McIntyre, R. McKean, J. McKehon, B. McMillan, L. McNamee, A. McShee, A. Meakins, S. Medley, C.J. Meekes, K. Meghani, A.G. Meigs, G. Meisl, S. Meitner, S. Menmuir, K. Mergia, S. Merriman, Ph. Mertens, S. Meshchaninov, A. Messiaen, R. Michling, P. Middleton, D. Middleton-Gear, J. Mietelski, D. Milanesio, E. Milani, F. Militello, A.Militello Asp, J. Milnes, A. Milocco, G. Miloshevsky, C. Minghao, S. Minucci, I. Miron, M. Miyamoto, J. Mlynář, V. Moiseenko, P. Monaghan, I. Monakhov, T. Moody, S. Moon, R. Mooney, S. Moradi, J. Morales, R.B. Morales, S. Mordijck, L. Moreira, L. Morgan, F. Moro, J. Morris, K.-M. Morrison, L. Msero, D. Moulton, T. Mrowetz, T. Mundy, M. Muraglia, A. Murari, A. Muraro, N. Muthusonai, B. N’Konga, Yong-Su Na, F. Nabais, M. Naden, J. Naish, R. Naish, F. Napoli, E. Nardon, V. Naulin, M.F.F. Nave, I. Nedzelskiy, G. Nemtsev, V. Nesenevich, I. Nestoras, R. Neu, V.S. Neverov, S. Ng, M. Nicassio, A.H. Nielsen, D. Nina, D. Nishijima, C. Noble, C.R. Nobs, M. Nocente, D. Nodwell, K. Nordlund, H. Nordman, R. Normanton, J.M. Noterdaeme, S. Nowak, E. Nunn, H. Nyström, M. Oberparleiter, B. Obryk, J. O'Callaghan, T. Odupitan, H.J.C. Oliver, R. Olney, M. O’Mullane, J. Ongena, E. Organ, F. Orsitto, J. Orszagh, T. Osborne, R. Otin, T. Otsuka, A. Owen, Y. Oya, M. Oyaizu, R. Paccagnella, N. Pace, L.W. Packer, S. Paige, E. Pajuste, D. Palade, S.J.P. Pamela, N. Panadero, E. Panontin, A. Papadopoulos, G. Papp, P. Papp, V.V. Parail, C. Pardanaud, J. Parisi, F.Parra Diaz, A. Parsloe, M. Parsons, N. Parsons, M. Passeri, A. Patel, A. Pau, G. Pautasso, R. Pavlichenko, A. Pavone, E. Pawelec, C.Paz Soldan, A. Peacock, M. Pearce, E. Peluso, C. Penot, K. Pepperell, R. Pereira, T. Pereira, E.Perelli Cippo, P. Pereslavtsev, C. Perez von Thun, V. Pericoli, D. Perry, M. Peterka, P. Petersson, G. Petravich, N. Petrella, M. Peyman, M. Pillon, S. Pinches, G. Pintsuk, W. Pires de Sá, A. Pires dos Reis, C. Piron, L. Pionr, A. Pironti, R. Pitts, K.L. van de Plassche, N. Platt, V. Plyusnin, M. Podesta, G. Pokol, F.M. Poli, O.G. Pompilian, S. Popovichev, M. Poradziński, M.T. Porfiri, M. Porkolab, C. Porosnicu, M. Porton, G. Poulipoulis, I. Predebon, G. Prestopino, C. Price, D. Price, M. Price, D. Primetzhofer, P. Prior, G. Provatas, G. Pucella, P. Puglia, K. Purahoo, I. Pusztai, O. Putignano, T. Pütterich, A. Quercia, E. Rachlew, G. Radulescu, V. Radulovic, M. Rainford, P. Raj, G. Ralph, V. Solokha, A. Somers, C. Sommariva, K. Soni, E. Sorokovoy, M. Sos, J. Sousa, C. Sozzi, S. Spagnolo, T. Spelzini, F. Spineanu, D. Spong, D. Sprada, S. Sridhar, C. Srinivasan, G. Stables, G. Staebler, I. Stamatelatos, Z. Stancar, P. Staniec, G. Stankūnas, M. Stead, E. Stefanikova, A. Stephen, J. Stephens, P. Stevenson, M. Stojanov, P. Strand, H.R. Strauss, S. Strikwerda, P. Ström, C.I. Stuart, W. Studholme, M. Subramani, E. Suchkov, S. Sumida, M. Tokitani, P. Tolias, M. Tomeš, A. Tookey, Y. Torikai, U. von Toussaint, P. Tsavalas, D. Tskhakaya, I. Turner, M. Turner, M.M. Turner, M. Turnyanskiy, G. Tvalashvili, S. Tyrrell, M. Tyshchenko, A. Uccello, V. Udintsev, G. Urbanczyk, A. Vadgama, D. Valcarcel, M. Valisa, P.Vallejos Olivares, O. Vallhagen, M. Valovič, D. Van Eester, J. Varje, S. Vartanian, T. Vasilopoulou, G. Vayakis, M. Vecsei, J. Vega, S. Ventre, G. Verdoolaege, C. Verona, G.Verona Rinati, E. Veshchev, N. Vianello, E. Viezzer, L. Vignitchouk, R. Vila, R. Villari, F. Villone, P. Vincenzi, I. Vinyar, B. Viola, A.J. Virtanen, A. Vitins, Z. Vizvary, G. Vlad, M. Vlad, P. Vondráček, P.de Vries, B. Wakeling, N.R. Walkden, M. Walker, R. Walker, M. Walsh, E. Wang, N. Wang, S. Warder, R. Warren, J. Waterhouse, C. Watts, T. Wauters, A. Weckmann, H.Wedderburn Maxwell, M. Weiland, H. Weisen, M. Weiszflog, P. Welch, N. Wendler, A. West, M. Wheatley, S. Wheeler, A. Whitehead, D. Whittaker, A. Widdowson, S. Wiesen, J. Wilkinson, J.C. Williams, D. Willoughby, I. Wilson, J. Wilson, T. Wilson, M. Wischmeier, P. Wise, G. Withenshaw, A. Withycombe, D. Witts, A. Wojcik-Gargula, E. Wolfrum, R. Wood, C. Woodley, R. Woodley, B. Woods, J. Wright, J.C. Wright, T. Xu, D. Yadikin, M. Yajima, Y. Yakovenko, Y. Yang, W. Yanling, V. Yanovskiy, I. Young, R. Young, R.J. Zabolockis, J. Zacks, R. Zagorski, F.S. Zaitsev, L. Zakharov, A. Zarins, D. Zarzoso Fernandez, K.-D. Zastrow, Y. Zayachuk, M. Zerbini, W. Zhang, Y. Zhou, M. Zlobinski, A. Zocco, A. Zohar, V. Zoita, S. Zoletnik, V.K. Zotta, I. Zoulias, W. Zwingmann, I. Zychor

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        The JET 2019–2020 scientific and technological programme exploited the results of years of concerted scientific and engineering work, including the ITER-like wall (ILW: Be wall and W divertor) installed in 2010, improved diagnostic capabilities now fully available, a major neutral beam injection upgrade providing record power in 2019–2020, and tested the technical and procedural preparation for safe operation with tritium. Research along three complementary axes yielded a wealth of new results. Firstly, the JET plasma programme delivered scenarios suitable for high fusion power and alpha particle ( α ) physics in the coming D–T campaign (DTE2), with record sustained neutron rates, as well as plasmas for clarifying the impact of isotope mass on plasma core, edge and plasma-wall interactions, and for ITER pre-fusion power operation. The efficacy of the newly installed shattered pellet injector for mitigating disruption forces and runaway electrons was demonstrated. Secondly, research on the consequences of long-term exposure to JET-ILW plasma was completed, with emphasis on wall damage and fuel retention, and with analyses of wall materials and dust particles that will help validate assumptions and codes for design and operation of ITER and DEMO. Thirdly, the nuclear technology programme aiming to deliver maximum technological return from operations in D, T and D–T benefited from the highest D–D neutron yield in years, securing results for validating radiation transport and activation codes, and nuclear data for ITER.

          5 Comparison of core Ar 17+ and Mo 32+ toroidal rotation in C-Mod plasmas [期刊论文]

          Nuclear Fushion,2023年

          J.E. Rice, C. Angioni, N.M. Cao, M.L. Reinke

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          Core ( r / a  lt  0.5) toroidal rotation from argon (Ar17+, 40 AMU) and molybdenum (Mo32+, 96 AMU) ions has been compared in C-Mod tokamak plasmas over a wide range of operating conditions and confinement schemes, including Ohmic L-mode in the linear and saturated regimes, ion cyclotron range of frequencies heated I-mode and H-mode, as well as in discharges with induced locked modes and with external current and rotation drive. In all cases the velocities of the two impurities are identical within about 5%, for a range between −60 and +80 km s−1. This is in general agreement with the predictions of neo-classical theory.

            6 The dependence of tokamak L-mode confinement on magnetic field and plasma size, from a magnetic field scan experiment at ASDEX Upgrade to full-radius integrated modelling and fusion reactor predictions [期刊论文]

            Nuclear Fushion,2023年

            C. Angioni, N. Bonanomi, E. Fable, P.A. Schneider, G. Tardini, T. Luda, G.M. Staebler

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            The dependence of the confinement of a tokamak plasma in L-mode on the magnetic field is explored with a set of dedicated experiments in ASDEX Upgrade and with a theory-based full-radius modelling approach, based on the ASTRA transport code and the TGLF-SAT2 transport model and only using engineering parameters in input, like those adopted in scaling laws for the confinement time. The experimental results confirm the weak dependence of the global confinement on the magnetic field, consistent with the scaling laws for L-mode plasmas and in agreement with the full-radius TGLF-SAT2 predictions. The modelling approach is then extended to numerically investigate the confinement dependence on magnetic field, plasma current and plasma size. The weak dependence of the L-mode confinement on the magnetic field at constant plasma current and plasma size is shown to be produced by a balance between the decrease of confinement mainly produced by the reduction of theE×Bshearing rate and the increase of confinement provided by the reduced gyro-Bohm factor, when the magnetic field is increased. The ASTRA/TGLF-SAT2 predicted increase of confinement with increasing plasma size is investigated in comparison with the predictions of the global confinement scaling laws for L-mode plasmas and the Bohm and gyro-Bohm dependencies of confinement, highlighting interesting similarities and important differences. Full-radius TGLF-SAT2 simulations with increasing plasma size are then extended to dimensions which are compatible with reactor relevant fusion power production, using ITER and the European DEMO as references. ASTRA/TGLF-SAT2 predictions of fusion power and confinement of an L-mode fusion reactor are presented at both 5.7 T and 10 T of magnetic field on the magnetic axis.