Search Results - "Reux, C"

The Commissioning of the WEST Tokamak: Experience and Lessons Learned by Moreau, P., Bremond, S., Bucalossi, J., Reux, C., Douai, D., Loarer, T., Nardon, E., Nouailletas, R., Saint-Laurent, F., Tamain, P., Bourdelle, C., Fedorczak, N., Tsitrone, E., Artaud, J. F.

“…The integrated commissioning of the tungsten (W) environment in steady-state tokamak (WEST) was started with the superconducting magnet cool-down and completed…”
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Trends in runaway electron plateau partial recombination by massive H2 or D2 injection in DIII-D and JET and first extrapolations to ITER and SPARC by Hollmann, E.M., Baylor, L., Boboc, A., Carvalho, P., Eidietis, N.W., Herfindal, J.L., Jachmich, S., Lvovskiy, A., Paz-Soldan, C., Reux, C., Shiraki, D., Sweeney, R.

“…Experimental trends in thermal plasma partial recombination resulting from massive ${{\text{D}}_2}$ injection into high-Z (Ar) containing runaway electron (RE)…”
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The JET hybrid scenario in Deuterium, Tritium and Deuterium-Tritium by Hobirk, J., Challis, C.D., Lerche, E., Keeling, D., King, D., Aleiferis, S., Alessi, E., Angioni, C., Auriemma, F., Baruzzo, M., Belonohy, É., Boboc, A., Carvalho, I.S., Carvalho, P., Casson, F.J., Chomiczewska, A., Citrin, J., Coffey, I.H., Conway, N.J., Douai, D., Delabie, E., Eriksson, B., Eriksson, J., Ficker, O., Field, A.R., Fontana, M., Fontdecaba, J.M., Frassinetti, L., Frigione, D., Gallart, D., Garcia, J., Gelfusa, M., Giacomelli, L., Giovannozzi, E., Goniche, M., Gromelski, W., Hacquin, S., Ham, C., Hawkes, N.C., Henriques, R.B., Hillesheim, J.C., Ho, A., Horvath, L., Ivanova-Stanik, I., Jacquet, P., Jaulmes, F., Joffrin, E., Kim, H.T., Kiptily, V., Kirov, K., Kos, D., Kowalska-Strzeciwilk, E., Kumpulainen, H., Lawson, K., Litaudon, X., Litherland-Smith, E., Lomas, P.J., de la Luna, E., Maggi, C.F., Mailloux, J., Mantsinen, M.J., Maslov, M., Matthews, G., McClements, K.G., Meigs, A.G., Menmuir, S., Milocco, A., Miron, I.G., Moradi, S., Morales, R.B., Nowak, S., Orsitto, F., Patel, A., Piron, L., Prince, C., Peluso, E., Perez von Thun, C., Rachlew, E., Rimini, F., Saarelma, S., Schneider, P. A, Scully, S., Sertoli, M., Sharapov, S., Shaw, A., Silburn, S., Sips, A., Siren, P., Sozzi, C., Solano, E.R., Stancar, Z., Stankunas, G., Stuart, C., Szepesi, G., Valcarcel, D., Valisa, M., Verdoolaege, G., Viola, B., Wendler, N., Zerbini, M.

“…Abstract The JET hybrid scenario has been developed from low plasma current carbon wall discharges to the record-breaking Deuterium-Tritium plasmas obtained in…”
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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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Cross-machine comparison of runaway electron generation during tokamak start-up for extrapolation to ITER by de Vries, P.C., Lee, Y., Gribov, Y., Mineev, A.B., Na, Y.S., Granetz, R., Stein-Lubrano, B., Reux, C., Moreau, Ph, Kiptily, V., Esposito, B., Battaglia, D.J., Martin-Solis, J.R.

“…Abstract A cross-machine comparison of global parameters that determine the runaway electron (RE) generation and loss process during tokamak start-up was…”
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A maximum likelihood tomographic method applied to JET gamma ray emission during the current quench by Gelfusa, M., Craciunescu, T., Peluso, E., Giacomelli, L., Kiptily, V., Reux, C., Szepesi, G., Murari, A., Contributors, JET

“…In recent years, a new inversion method has been adapted to JET tomographic diagnostics. It is based on the Maximum Likelihood (ML) approach and has been…”
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Experiments in high-performance JET plasmas in preparation of second harmonic ICRF heating of tritium in ITER by Mantsinen, M.J., Jacquet, P., Lerche, E., Gallart, D., Kirov, K., Mantica, P., Taylor, D., Van Eester, D., Baruzzo, M., Carvalho, I., Challis, C.D., Dal Molin, A., Delabie, E., De La Luna, E., Dumont, R., Dumortier, P., Eriksson, J., Frigione, D., Garcia, J., Garzotti, L., Giroud, C., Henriques, R., Hobirk, J., Kappatou, A., Kazakov, Y., Keeling, D., King, D., Kiptily, V., Lennholm, M., Lomas, P., Lowry, C., Maggi, C.F., Mailloux, J., Maslov, M., Menmuir, S., Monakhov, I., Morales, R.B., Noble, C., Nocente, M., Patel, A., Pucella, G., Reux, C., Rigamonti, D., Rimini, F., Sheikh, A., Silburn, S., Siren, P., Solano, E.R., Stancar, Z., Tardocchi, M.

“…Abstract The reference ion cyclotron resonance frequency (ICRF) heating schemes for ITER deuterium–tritium (D-T) plasmas at the full magnetic field of 5.3 T…”
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Sustained W-melting experiments on actively cooled ITER-like plasma facing unit in WEST by Corre, Y, Grosjean, A, Gunn, J P, Krieger, K, Ratynskaia, S, Skalli-Fettachi, O, Bourdelle, C, Brezinsek, S, Bruno, V, Chanet, N, Coenen, J, Courtois, X, Dejarnac, R, Delmas, E, Delpech, L, Desgranges, C, Diez, M, Dubus, L, Durif, A, Ekedahl, A, Fedorczak, N, Firdaouss, M, Gardarein, J-L, Gaspar, J, Gerardin, J, Guillemaut, C, Houry, M, Loarer, T, Maget, P, Mandelbaum, P, Mitteau, R, Missirlian, M, Moreau, P, Nouailletas, R, Nardon, E, Pocheau, C, Podolnik, A, Reilhac, P, Regal-Mezin, X, Reux, C, Richou, M, Rigollet, F, Schwob, J-L, Thorén, E, Tolias, P, Tsitrone, E

“…Abstract The consequences of tungsten (W) melting on divertor lifetime and plasma operation are high priority issues for ITER. Sustained and controlled…”
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Thermal loads in gaps between ITER divertor monoblocks: First lessons learnt from WEST by Gunn, J.P., Bucalossi, J., Corre, Y., Diez, M., Delmas, E., Fedorczak, N., Grosjean, A., Firdaouss, M., Gaspar, J., Loarer, T., Missirlian, M., Moreau, P., Nardon, E., Reux, C., Richou, M., Tsitrone, E.

“…•Actively cooled tungsten monoblocks in the WEST tokamak were damaged by plasma.•Cracks, deformation, and melting were observed on the monoblock edges•Similar…”
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Deuterium and helium outgassing following plasma discharges in WEST: Delayed D outgassing during D-to-He changeover experiments studied with threshold ionization mass spectrometry by Bisson, R., Hodille, E.A., Gaspar, J., Douai, D., Wauters, T., Gallo, A., Gunn, J., Hakola, A., Loarer, T., Nouailletas, R., Morales, J., Pégourié, B., Reux, C., Sabot, R., Tsitrone, E., Vartanian, S., Wang, E., Fedorczak, N., Brezinsek, S.

“…•New calibration method for threshold ionization mass spectrometry (TIMS) in tokamak.•Uncertainty evaluation of TIMS in plasma discharge and post-discharge.•He…”
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The WEST plasma control system: Integration, commissioning and operation on first experimental campaigns by Nouailletas, R., Colnel, J., Ravenel, N., Signoret, J., Treutterer, W., Moreau, P., Laurent, F. Saint, Nardon, E., Reux, C., Douai, D., Santraine, B., Ekedahl, A., Delpech, L., Gil, C., Bucalossi, J., Brémond, S.

“…The new WEST configuration of Tore Supra facility leads to control challenges and the need to handle events of a modern diverted and metallic machine (vertical…”
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Development and Applications of Magnet Module for SYCOMORE CEA System Code by Zani, L., Artaud, J.-F, Boutry, A., Di Gallo, L., Duchateau, J.-L, Hertout, P., Kahn, S., Piot, N., Reux, C., Said, J., Torre, A.

“…In the framework of prospective activities for a demonstration power plant, DEMO will be the next step for fusion energy following ITER tokamak. Some of the…”
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Mass spectrometry analysis of the impurity content in N2 seeded discharges in JET-ILW by Drenik, A., Oberkofler, M., Alegre, D., Kruezi, U., Brezinsek, S., Mozetic, M., Nunes, I., Wischmeier, M., Giroud, C., Maddison, G., Reux, C.

“…Presented are the results of the first mass spectrometry study of impurities at JET with the ILW. Measurements are performed with the newly-installed RGA…”
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Conceptual integrated approach for the magnet system of a tokamak reactor by Duchateau, J.-L., Hertout, P., Saoutic, B., Artaud, J.-F., Zani, L., Reux, C.

“…•We give a conceptual approach of a fusion reactor magnet system based on analytical formula.•We give design criteria for the CS and TF cable in conduit…”
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Changeover between helium and hydrogen fueled plasmas in JET and WEST by Wauters, T., Bisson, R., Delabie, E., Douai, D., Gallo, A., Gaspar, J., Jepu, I., Kovtun, Y., Pawelec, E., Matveev, D., Meigs, A., Brezinsek, S., Coffey, I., Dittmar, T., Fedorczak, N., Gunn, J., Hakola, A., Jacquet, P., Kirov, K., Lerche, E., Likonen, J., Litherland-Smith, E., Loarer, T., Lomas, P., Lowry, C., Maslov, M., Monakhov, I., Morales, J., Noble, C., Nouailletas, R., Pégourié, B., Perez von Thun, C., Pitts, R.A., Reux, C., Rimini, F., Sheikh, H., Silburn, S., Sun, H., Taylor, D., Tsitrone, E., Vartanian, S., Wang, E., Widdowson, A.

“…•WEST and JET perormed a back-and-forth transition between hydrogen (H) or deuterium (D) and helium (He) plasma operation allowing assessing the achievable…”
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Runaway beam studies during disruptions at JET-ILW by Reux, C., Plyusnin, V., Alper, B., Alves, D., Bazylev, B., Belonohy, E., Brezinsek, S., Decker, J., Devaux, S., de Vries, P., Fil, A., Gerasimov, S., Lupelli, I., Jachmich, S., Khilkevitch, E.M., Kiptily, V., Koslowski, R., Kruezi, U., Lehnen, M., Manzanares, A., Mlynář, J., Nardon, E., Nilsson, E., Riccardo, V., Saint-Laurent, F., Shevelev, A.E., Sozzi, C.

“…•Runaway electrons (RE) have been obtained at JET-ILW using massive argon injection.•The runaway electron domain entry points are similar between JET-C and…”
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Plasma isotopic change over experiments in JET under Carbon and ITER-Like Wall conditions by Loarer, T., Brezinsek, S., Philipps, V., Romanelli-Gruenhagen, S., Alves, D., Carvalho, I., Douai, D., Esser, H.G., Felton, R., Frigione, D., Kruezi, U., Reux, C., Smith, R., Stamp, M.F., Vartanian, S.

“…Starting with a wall loaded by H2, change over experiments from H2 to D2 have been carried out in JET-ILW. A series of 13 repetitive pulses (cumulating 215s in…”
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Coupling between a multi-physics workflow engine and an optimization framework by Di Gallo, L., Reux, C., Imbeaux, F., Artaud, J.-F., Owsiak, M., Saoutic, B., Aiello, G., Bernardi, P., Ciraolo, G., Bucalossi, J., Duchateau, J.-L., Fausser, C., Galassi, D., Hertout, P., Jaboulay, J.-C., Li-Puma, A., Zani, L.

“…A generic coupling method between a multi-physics workflow engine and an optimization framework is presented in this paper. The coupling architecture has been…”
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The JET real-time plasma-wall load monitoring system by Valcárcel, D.F., Alves, D., Card, P., Carvalho, B.B., Devaux, S., Felton, R., Goodyear, A., Lomas, P.J., Maviglia, F., McCullen, P., Reux, C., Rimini, F., Stephen, A., Zabeo, L., Zastrow, K-D.

“…•The paper describes the JET real-time system monitoring the first-wall plasma loads.•It presents the motivation, physics basis, design and implementation of…”
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FIRE, a novel concept of massive gas injection for disruption mitigation in ITER: Validation on Tore Supra by Saint-Laurent, F., Martin, G., Alarcon, T., Le Luyer, A., Pastor, P., Putvinski, S., Vincent, B., Bucalossi, J., Bremond, S., Moreau, Ph, Nardon, E., Reux, C.

“…•Bursting Disc Cartridge Injector has been tested on Tore Supra.•Very high particle flux can be injected for disruption mitigation.•Direct (ballistic)…”
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