Search Results - "Asunta, O."

Overview and status of construction of ST40 by Gryaznevich, M., Asunta, O.

“…•An overview of a new generation high field spherical tokamak, ST40, is presented.•The mechanical structure, magnets, and power supplies are described.•The…”
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Modelling neutral beams in fusion devices: Beamlet-based model for fast particle simulations by Asunta, O., Govenius, J., Budny, R., Gorelenkova, M., Tardini, G., Kurki-Suonio, T., Salmi, A., Sipilä, S.

“…Neutral beam injection (NBI) will be one of the main sources of heating and non-inductive current drive in ITER. Due to high level of injected power the beam…”
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ST40 data and control by Asunta, O., Buxton, P.F., Lister, J.B., Pinkney, E., Scott, L.

“…•An R0 = 0.4 m spherical tokamak, ST40, was built and operated by Tokamak Energy Ltd.•A modular Machine Control System was developed to tackle plant…”
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DIVIMP-B2-EIRENE modelling of (13)C migration and deposition in ASDEX Upgrade L-mode plasmas by Xuereb, A, Groth, M, Krieger, K, Asunta, O, Kurki-Suonio, T, Likonen, J, Coster, D P

“…Carbon transport and migration were studied experimentally and numerically in a high-density, low-confinement mode plasma in the ASDEX Upgrade tokamak. On the…”
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DIVIMP-B2-EIRENE modelling of 13C migration and deposition in ASDEX Upgrade L-mode plasmas by Xuereb, A., Groth, M., Krieger, K., Asunta, O., Kurki-Suonio, T., Likonen, J., Coster, D.P.

“…Carbon transport and migration were studied experimentally and numerically in a high-density, low-confinement mode plasma in the ASDEX Upgrade tokamak. On the…”
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ASCOT: Solving the kinetic equation of minority particle species in tokamak plasmas by Hirvijoki, E., Asunta, O., Koskela, T., Kurki-Suonio, T., Miettunen, J., Sipilä, S., Snicker, A., Äkäslompolo, S.

“…A comprehensive description of methods, suitable for solving the kinetic equation for fast ions and impurity species in tokamak plasmas using a Monte Carlo…”
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Achievement of ion temperatures in excess of 100 million degrees Kelvin in the compact high-field spherical tokamak ST40 by McNamara, S.A.M., Asunta, O., Bland, J., Buxton, P.F., Colgan, C., Dnestrovskii, A., Gemmell, M., Gryaznevich, M., Hoffman, D., Janky, F., Lister, J.B., Lowe, H.F., Mirfayzi, R.S., Naylor, G., Nemytov, V., Njau, J., Pyragius, T., Rengle, A., Romanelli, M., Romero, C., Sertoli, M., Shevchenko, V., Sinha, J., Sladkomedova, A., Sridhar, S., Takase, Y., Thomas, P., Varje, J., Vincent, B., Willett, H.V., Wood, J., Zakhar, D., Battaglia, D.J., Kaye, S.M., Delgado-Aparicio, L.F., Maingi, R., Mueller, D., Podesta, M., Delabie, E., Lomanowski, B., Marchuk, O.

“…Abstract Ion temperatures of over 100 million degrees Kelvin (8.6 keV) have been produced in the ST40 compact high-field spherical tokamak (ST). Ion…”
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Overview of recent results from the ST40 compact high-field spherical tokamak by McNamara, S.A.M., Alieva, A., Anastopoulos Tzanis, M.S., Asunta, O., Bland, J., Bohlin, H., Buxton, P.F., Colgan, C., Dnestrovskii, A., du Toit, E., Fontana, M., Gemmell, M., Gryaznevich, M.P., Hakosalo, J., Hardman, M.R., Harryman, D., Hoffman, D., Iliasova, M., Janhunen, S., Janky, F., Lister, J.B., Lowe, H.F., Maartensson, E., Marsden, C., Medvedev, S.Y., Mirfayzi, S.R., Moscheni, M., Naylor, G., Nemytov, V., Njau, J., O’Gorman, T., Osin, D., Pyragius, T., Rengle, A., Romanelli, M., Romero, C., Sertoli, M., Shevchenko, V., Sinha, J., Sladkomedova, A., Sridhar, S., Stirling, J., Takase, Y., Thomas, P.R., Varje, J., Vekshina, E., Vincent, B., Willett, H.V., Wood, J., Wooldridge, E., Zakhar, D., Zhang, X., Battaglia, D., Bertelli, N., Bonofiglo, P.J., Delgado-Aparicio, L.F., Duarte, V.N., Gorelenkov, N.N., de Haas, M., Kaye, S.M., Maingi, R., Mueller, D., Ono, M., Podesta, M., Ren, Y., Trieu, S., Delabie, E., Gray, T.K., Lomanowski, B., Unterberg, E.A., Marchuk, O.

“…Abstract ST40 is a compact, high-field ( B T 0 ⩽ 2.1 T ) spherical tokamak (ST) with a mission to expand the physics and technology basis for the ST route to…”
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Overview of recent results from the ST40 compact high-field spherical tokamak by McNamara, S. A.M., Alieva, A., Anastopoulos Tzanis, M. S., Asunta, O., Bland, J., Bohlin, H., Buxton, P. F., Colgan, C., Dnestrovskii, A., du Toit, E., Fontana, M., Gemmell, M., Gryaznevich, M. P., Hakosalo, J., Hardman, M. R., Harryman, D., Hoffman, D., Iliasova, M., Janhunen, S., Janky, F., Lister, J. B., Lowe, H. F., Maartensson, E., Marsden, C., Medvedev, S. Y., Mirfayzi, S. R., Moscheni, M., Naylor, G., Nemytov, V., Njau, J., O’Gorman, T., Osin, D., Pyragius, T., Rengle, A., Romanelli, M., Romero, C., Sertoli, M., Shevchenko, V., Sinha, J., Sladkomedova, A., Sridhar, S., Stirling, J., Takase, Y., Thomas, P. R., Varje, J., Vekshina, E., Vincent, B., Willett, H. V., Wood, J., Wooldridge, E., Zakhar, D., Zhang, X., Battaglia, D., Bertelli, N., Bonofiglo, P. J., Delgado-Aparicio, L. F., Duarte, V. N., Gorelenkov, N. N., de Haas, M., Kaye, S. M., Maingi, R., Mueller, D., Ono, M., Podesta, M., Ren, Y., Trieu, S., Delabie, E., Gray, T. K., Lomanowski, B., Unterberg, E. A., Marchuk, O.

“…Abstract ST40 is a compact, high-field (B T0 ≤ 2.1T) spherical tokamak (ST) with a mission to expand the physics and technology basis for the ST route to…”
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Achievement of ion temperatures in excess of 100 million degrees Kelvin in the compact high-field spherical tokamak ST40 by McNamara, S. A. M., Asunta, O., Bland, J., Buxton, P. F., Colgan, C., Dnestrovskii, A., Gemmell, M., Gryaznevich, M., Hoffman, D., Janky, F., Lister, J. B., Lowe, H. F., Mirfayzi, R. S., Naylor, G., Nemytov, V., Njau, J., Pyragius, T., Rengle, A., Romanelli, M., Romero, C., Sertoli, M., Shevchenko, V., Sinha, J., Sladkomedova, A., Sridhar, S., Takase, Y., Thomas, P., Varje, J., Vincent, B., Willett, H. V., Wood, J., Zakhar, D., Battaglia, D. J., Kaye, S. M., Delgado-Aparicio, L. F., Maingi, R., Mueller, D., Podesta, M., Delabie, E., Lomanowski, B., Marchuk, O., the ST40 Team

“…Ion temperatures of over 100 million degrees Kelvin (8.6 keV) have been produced in the ST40 compact high-field spherical tokamak (ST). Ion temperatures in…”
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Micro ion beam analysis for the erosion of beryllium marker tiles in a tokamak limiter by Zhou, Y., Bergsåker, H., Bykov, I., Petersson, P., Paneta, V., Possnert, G.

“…Beryllium limiter marker tiles were exposed to plasma in the Joint European Torus to diagnose the erosion of main chamber wall materials. A limiter marker tile…”
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Calculating the 3D magnetic field of ITER for European TBM studies by Äkäslompolo, Simppa, Asunta, Otto, Bergmans, Thijs, Gagliardi, Mario, Galabert, Jose, Hirvijoki, Eero, Kurki-Suonio, Taina, Sipilä, Seppo, Snicker, Antti, Särkimäki, Konsta

“…[Display omitted] •Implemented a combined FEM Biot-Savart law method to calculate ITER magnetic fields.•Detailed ITER 3D magnetic fields, with ferromagnetic…”
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Studies of Be migration in the JET tokamak using AMS with Be-10 marker by Bykov, Igor, Bergsaker, Henric, Possnert, G., Zhou, Y., Heinola, K., Pettersson, J., Conroy, S., Likonen, J., Petersson, Per, Widdowson, A.

“…The JET tokamak is operated with beryllium limiter tiles in the main chamber and tungsten coated carbon fiber composite tiles and solid W tiles in the…”
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Validating fast-ion wall-load IR analysis-methods against W7-X NBI empty-torus experiment by Äkäslompolo, S, Drewelow, P, Gao, Y, Ali, A, Asunta, O, Bozhenkov, S, Fellinger, J, Ford, O. P, Harder, N. den, Hartmann, D, Jakubowski, M, McNeely, P, Niemann, H, Pisano, F, Rust, N, Sitjes, A. Puig, Sleczka, M, Spanier, A, Wolf, R. C, Team, the W7-X

“…2019 JINST 14 P07018 The first neutral beam injection (NBI) experiments in Wendelstein 7-X (W7-X) stellarator were conducted in the summer of 2018. The NBI…”
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Power requirements for electron cyclotron current drive and ion cyclotron resonance heating for sawtooth control in ITER by Chapman, I. T, Graves, J. P, Sauter, O, Zucca, C, Asunta, O, Buttery, R. J, Coda, S, Goodman, T, Igochine, V, Johnson, T, Jucker, M, La Haye, R. J, Lennholm, M, Contributors, JET-EFDA

“…Nuclear Fusion 53 066001 (2013) 13MW of electron cyclotron current drive (ECCD) power deposited inside the q = 1 surface is likely to reduce the sawtooth…”
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On the Challenge of Plasma Heating with the JET Metallic Wall by Mayoral, M-L, Bobkov, V, Czarnecka, A, Day, I, Ekedah, A, Jacquet, P, Goniche, M, King, R, Kirov, K, Lerche, E, Mailloux, J, Van Eester, D, Asunta, O, Challis, C, Ciric, D, Coenen, J W, Colas, L, Giroud, C, Graham, M, Jenkins, I, Joffrin, E, Jones, T, King, D, Kiptily, V, Klepper, C C, Maggi, C, Maggiora, R, Marcotte, F, Matthews, G, Milanesio, D, Monakhov, I, Nightingale, M, Neu, R, Ongena, J, Pütterich, T, Riccardo, V, Rimini, F, Strachan, J, Surrey, E, Thompson, V, Van Rooij, G, contributors, JET EFDA

“…Nuclear Fusion, Vol.54, p.033002, March 2014 The major aspects linked to the use of the JET auxiliary heating systems: NBI, ICRF and LHCD, in the new JET…”
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