@article{3034774, title = "Overview of the TCV tokamak experimental programme", author = "Reimerdes, H. and Agostini, M. and Alessi, E. and Alberti, S. and and Andrebe, Y. and Arnichand, H. and Balbin, J. and Bagnato, F. and and Baquero-Ruiz, M. and Bernert, M. and Bin, W. and Blanchard, P. and and Blanken, T. C. and Boedo, J. A. and Brida, D. and Brunner, S. and Bogar, and C. and Bogar, O. and Bolzonella, T. and Bombarda, F. and Bouquey, F. and and Bowman, C. and Brunetti, D. and Buermans, J. and Bufferand, H. and and Calacci, L. and Camenen, Y. and Carli, S. and Carnevale, D. and and Carpanese, F. and Causa, F. and Cavalier, J. and Cavedon, M. and and Cazabonne, J. A. and Cerovsky, J. and Chandra, R. and Jayalekshmi, A. and Chandrarajan and Chellai, O. and Chmielewski, P. and Choi, D. and and Ciraolo, G. and Classen, I. G. J. and Coda, S. and Colandrea, C. and Dal and Molin, A. and David, P. and de Baar, M. R. and Decker, J. and Dekeyser, and W. and de Oliveira, H. and Douai, D. and Dreval, M. and Dunne, M. G. and and Duval, B. P. and Elmore, S. and Embreus, O. and Eriksson, F. and and Faitsch, M. and Falchetto, G. and Farnik, M. and Fasoli, A. and and Fedorczak, N. and Felici, F. and Fevrier, O. and Ficker, O. and Fil, A. and and Fontana, M. and Fransson, E. and Frassinetti, L. and Furno, I and and Gahle, D. S. and Galassi, D. and Galazka, K. and Galperti, C. and and Garavaglia, S. and Garcia-Munoz, M. and Geiger, B. and Giacomin, M. and and Giruzzi, G. and Gobbin, M. and Golfinopoulos, T. and Goodman, T. and and Gorno, S. and Granucci, G. and Graves, J. P. and Griener, M. and Gruca, and M. and Gyergyek, T. and Haelterman, R. and Hakola, A. and Han, W. and and Happel, T. and Harrer, G. and Harrison, J. R. and Henderson, S. and and Hogeweij, G. M. D. and Hogge, J-P and Hoppe, M. and Horacek, J. and and Huang, Z. and Iantchenko, A. and Innocente, P. and Bjork, K. Insulander and and Ionita-Schrittweiser, C. and Isliker, H. and Jardin, A. and Jaspers, and R. J. E. and Karimov, R. and Karpushov, A. N. and Kazakov, Y. and Komm, and M. and Kong, M. and Kovacic, J. and Krutkin, O. and Kudlacek, O. and and Kumar, U. and Kwiatkowski, R. and Labit, B. and Laguardia, L. and and Lammers, J. T. and Laribi, E. and Laszynska, E. and Lazaros, A. and and Linder, O. and Linehan, B. and Lipschultz, B. and Llobet, X. and Loizu, and J. and Lunt, T. and Macusova, E. and Marandet, Y. and Maraschek, M. and and Marceca, G. and Marchetto, C. and Marchioni, S. and Marmar, E. S. and and Martin, Y. and Martinelli, L. and Matos, F. and Maurizio, R. and and Mayoral, M-L and Mazon, D. and Menkovski, V and Merle, A. and Merlo, G. and and Meyer, H. and Mikszuta-Michalik, K. and Cabrera, P. A. Molina and and Morales, J. and Moret, J-M and Moro, A. and Moulton, D. and Muhammed, H. and and Myatra, O. and Mykytchuk, D. and Napoli, F. and Nem, R. D. and and Nielsen, A. H. and Nocente, M. and Nowak, S. and Offeddu, N. and Olsen, and J. and Orsitto, F. P. and Pan, O. and Papp, G. and Pau, A. and Perek, A. and and Pesamosca, F. and Peysson, Y. and Pigatto, L. and Piron, C. and and Poradzinski, M. and Porte, L. and Putterich, T. and Rabinski, M. and and Raj, H. and Rasmussen, J. J. and Ratta, G. A. and Ravensbergen, T. and and Ricci, D. and Ricci, P. and Rispoli, N. and Riva, F. and and Rivero-Rodriguez, J. F. and Salewski, M. and Sauter, O. and Schmidt, B. and S. and Schrittweiser, R. and Sharapov, S. and Sheikh, U. A. and Sieglin, and B. and Silva, M. and Smolders, A. and Snicker, A. and Sozzi, C. and and Spolaore, M. and Stagni, A. and Stipani, L. and Sun, G. and Tala, T. and and Tamain, P. and Tanaka, K. and Biwole, A. Tema and Terranova, D. and and Terry, J. L. and Testa, D. and Theiler, C. and Thornton, A. and Thrysoe, and A. and Torreblanca, H. and Tsui, C. K. and Vaccaro, D. and Vallar, M. and and van Berkel, M. and Van Eester, D. and van Kampen, R. J. R. and Van and Mulders, S. and Verhaegh, K. and Verhaeghe, T. and Vianello, N. and and Villone, F. and Viezzer, E. and Vincent, B. and Voitsekhovitch, I and and Vu, N. M. T. and Walkden, N. and Wauters, T. and Weisen, H. and Wendler, and N. and Wensing, M. and Widmer, F. and Wiesen, S. and Wischmeier, M. and and Wijkamp, T. A. and Wunderlich, D. and Wuthrich, C. and Yanovskiy, V and and Zebrowski, J. and EUROfusion MST1 Team", journal = "Nuclear Fusion", year = "2022", volume = "62", number = "4", publisher = "IOP Publishing Ltd", issn = "0029-5515, 1741-4326", doi = "10.1088/1741-4326/ac369b", keywords = "nuclear fusion; tokamak; TCV; EUROfusion", abstract = "The tokamak a configuration variable (TCV) continues to leverage its unique shaping capabilities, flexible heating systems and modern control system to address critical issues in preparation for ITER and a fusion power plant. For the 2019-20 campaign its configurational flexibility has been enhanced with the installation of removable divertor gas baffles, its diagnostic capabilities with an extensive set of upgrades and its heating systems with new dual frequency gyrotrons. The gas baffles reduce coupling between the divertor and the main chamber and allow for detailed investigations on the role of fuelling in general and, together with upgraded boundary diagnostics, test divertor and edge models in particular. The increased heating capabilities broaden the operational regime to include T (e)/T (i) similar to 1 and have stimulated refocussing studies from L-mode to H-mode across a range of research topics. ITER baseline parameters were reached in type-I ELMy H-modes and alternative regimes with `small' (or no) ELMs explored. Most prominently, negative triangularity was investigated in detail and confirmed as an attractive scenario with H-mode level core confinement but an L-mode edge. Emphasis was also placed on control, where an increased number of observers, actuators and control solutions became available and are now integrated into a generic control framework as will be needed in future devices. The quantity and quality of results of the 2019-20 TCV campaign are a testament to its successful integration within the European research effort alongside a vibrant domestic programme and international collaborations." }