Search Results - "Pégourié, B."

A comparison of the influence of plasmoid-drift mechanisms on plasma fuelling by cryogenic pellets in ITER and Wendelstein 7-X by Panadero, N., Koechl, F., Polevoi, A.R., Baldzuhn, J., Beidler, C.D., Lang, P.T., Loarte, A., Matsuyama, A., McCarthy, K.J., Pégourié, B., Turkin, Y.

“…Abstract Pellet injection is the most promising technique to achieve efficient plasma core fuelling, key for attaining stationary scenarios in large magnetic…”
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Micron-sized dust and nanoparticles produced in the WEST tokamak by Arnas, C., Campos, A., Diez, M., Peillon, S., Martin, C., Hassouni, K., Michau, A., Bernard, E., Fedorczac, N., Gensdarmes, F., Grisolia, C., Pégourié, B., Tsitrone, E.

“…•Tungsten nanoparticles produced in a tokamak of tungsten divertor.•Micron-sized tungsten dust particles emitted during off normal events.•Helium nanobubbles…”
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Separatrix parameters and core performances across the WEST L-mode database by Bourdelle, C., Morales, J., Artaud, J.F., Grover, O., Radenac, T., Bucalossi, J., Camenen, Y., Ciraolo, G., Clairet, F., Dumont, R., Fedorczak, N., Gaspar, J., Gil, C., Goniche, M., Guillemaut, C., Gunn, J., Maget, P., Manas, P., Ostuni, V., Pégourié, B., Peysson, Y., Tamain, P., Vermare, L., Vézinet, D.

“…Abstract WEST database analysis shows a correlation of the recycled neutral source around the separatrix with core performances. This observation questions the…”
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Raman microscopy to characterize plasma-wall interaction materials: from carbon era to metallic walls by Pardanaud, C, Martin, C, Roubin, P, Roussin, G, Dellasega, D, Passoni, M, Lungu, C, Porosnicu, C, Dinca, P, Radović, I Bogdanović, Siketić, Z, Pégourié, B, Bernard, E, Diez, M, Hakola, A

“…Abstract Plasma-wall interaction in magnetic fusion devices is responsible for wall changes and plasma pollution with major safety issues. It is investigated…”
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Numerical modelling of the impact of leakage under divertor baffle in WEST by Yang, H., Ciraolo, G., Bucalossi, J., Bufferand, H., Fedorczak, N., Tamain, P., Falchetto, G., Rivals, N., Gunn, J.P., Marandet, Y., Pégourié, B., Vartanian, S.

“…In WEST experimental campaign C5, the divertor pumping capability has been improved by sealing the space between the divertor outer baffle and the vacuum…”
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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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Confocal microscopy: A new tool for erosion measurements on large scale plasma facing components in tokamaks by Gauthier, E., Brosset, C., Roche, H., Tsitrone, E., Pégourié, B., Martinez, A., Languille, P., Courtois, X., Lallier, Y., Salami, M.

“…A diagnostic based on confocal microscopy was developed at CEA Cadarache in order to measure erosion on large plasma facing components during shutdown in situ…”
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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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Feasibility study of an actively cooled tungsten divertor in Tore Supra for ITER technology testing by Bucalossi, J., Argouarch, A., Basiuk, V., Baulaigue, O., Bayetti, P., Bécoulet, M., Bertrand, B., S. Brémond, Cara, P., Chantant, M., Corre, Y., Courtois, X., Doceul, L., Ekedahl, A., Faisse, F., M. Firdaouss, Garcia, J., Gargiulo, L., Gil, C., Grisolia, C., Gunn, J., Hacquin, S., Hertout, P., Huysmans, G., Imbeaux, F., Jiolat, G., Joanny, M., Jourd’heuil, L., Jouve, M., Kukushkin, A., Lipa, M., Lisgo, S., Loarer, T., Maget, P., Magne, R., Marandet, Y., Martinez, A., Mazon, D., Meyer, O., Missirlian, M., Monier-Garbet, P., Moreau, P., Nardon, E., Panayotis, S., Pégourié, B., Pitts, R.A., Portafaix, C., Richou, M., Sabot, R., Saille, A., Saint-Laurent, F., Samaille, F., Simonin, A., Tsitrone, E.

“…In order to reduce the risks for ITER Plasma Facing Components (PFCs), it is proposed to equip Tore Supra with a full tungsten divertor, benefitting from the…”
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Recent results on Ion Cyclotron Wall Conditioning in mid and large size tokamaks by Douai, D., Lyssoivan, A., Philipps, V., Rohde, V., Wauters, T., Blackman, T., Bobkov, V., Brémond, S., Brezinsek, S., Clairet, F., de la Cal, E., Coyne, T., Gauthier, E., Gerbaud, T., Graham, M., Jachmich, S., Joffrin, E., Koch, R., Kreter, A., Laengner, R., Lamalle, P.U., Lerche, E., Lombard, G., Maslov, M., Mayoral, M.-L., Miller, A., Monakhov, I., Noterdaeme, J.-M., Ongena, J., Paul, M.K., Pégourié, B., Pitts, R.A., Plyusnin, V., Schüller, F.C., Sergienko, G., Shimada, M., Sirinelli, A., Suttrop, W., Sozzi, C., Tsalas, M., Tsitrone, E., Unterberg, B., Van Eester, D.

“…Wall conditioning techniques applicable in the presence of permanent toroidal magnetic field will be required for the operation of ITER, in particular for…”
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Overview of the deuterium inventory campaign in Tore Supra: Operational conditions and particle balance by Pégourié, B., Brosset, C., Tsitrone, E., Beauté, A., Brémond, S., Bucalossi, J., Carpentier, S., Corre, Y., Delchambre, E., Desgranges, C., Devynck, P., Douai, D., Dunand, G., Ekedahl, A., Escarguel, A., Gauthier, E., Gunn, J.P., Hertout, P., Hong, S.-H., Kazarian, F., Kočan, M., Linez, F., Marandet, Y., Martinez, A., Mayer, M., Meyer, O., Monier-Garbet, P., Moreau, P., Oddon, P., Pascal, J.-Y., Rimini, F., Roth, J., Saint-Laurent, F., Samaille, F., Vartanian, S., Arnas, C., Aréou, E., Gil, C., Lasalle, J., Manenc, L., Martin, C., Richou, M., Roubin, P., Sabot, R.

“…A specific experiment was performed in Tore Supra, dedicated to the search for consistency between wall inventories estimated from gas balance and post-mortem…”
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Raman study of CFC tiles extracted from the toroidal pump limiter of Tore Supra by Pardanaud, C., Giacometti, G., Martin, C., Ruffe, R., Angot, T., Aréou, E., Pégourié, B., Tsitrone, E., Dittmar, T., Hopf, C., Jacob, W., Schwarz-Selinger, T., Roubin, P.

“…The structure of six tiles extracted from the erosion and deposition zones (thin and thick deposition) of the Tore Supra toroidal pump limiter (TPL) have been…”
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Bifurcation to a stable limiter MARFE in Tore Supra by Dachicourt, R., Monier-Garbet, P., Gil, C., Guirlet, R., Tamain, P., Meyer, O., Devynck, P., Pégourié, B., Clairet, F., Bucalossi, J., Corre, Y., Ségui, J.L

“…This paper reports on the observation on the tokamak Tore Supra of a very high density, highly radiating edge regime featuring a high recycling divertor. This…”
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Carbon dust formation in a cold plasma from cathode sputtering by Arnas, C., Mouberi, A., Hassouni, K., Michau, A., Lombardi, G., Bonnin, X., Bénédic, F., Pégourié, B.

“…Nanoparticles are produced in argon glow plasmas where carbon is introduced by sputtering of a graphite cathode. A scaling law of growth is reported on as a…”
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Dynamic modelling of local fuel inventory and desorption in the whole tokamak vacuum vessel for auto-consistent plasma-wall interaction simulations by Denis, J., Bucalossi, J., Ciraolo, G., Hodille, E.A., Pégourié, B., Bufferand, H., Grisolia, C., Loarer, T., Marandet, Y., Serre, E.

“…•A model to simulate the dynamic thermal desorption of hydrogen isotopes is built for the SolEdge2D-EIRENE code package.•This model is used for simulating a…”
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Physico-chemical characteristics of carbon deposits collected in TEXTOR and Tore Supra tokamaks by Richou, M., Martin, C., Delhaès, P., Couzi, M., Saikaly, W., Brosset, C., Pégourié, B., Litnovsky, A., Philipps, V., Wienhold, P., Dentzer, J., Vix-Guterl, C., Roubin, P.

“…For safety reasons, the formation of carbon deposits in tokamaks must be limited. To understand how these deposits are formed, a comparative study of the…”
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Deuterium inventory in Tore Supra: Coupled carbon–deuterium balance by Pégourié, B., Panayotis, S., Languille, P., Martin, C., Dittmar, T., Gauthier, E., Hatchressian, J.-C., Pascal, J.-Y., Roubin, P., Ruffe, R., Tsitrone, E., Vartanian, S., Wang, H., Beauté, A., Bouvet, J., Brosset, C., Bucalossi, J., Cabié, M., Caprin, E., Courtois, X., Dachicourt, R., Delchambre, E., Dominici, C., Douai, D., Ekedahl, A., Gunn, J.P., Hakola, A., Jacob, W., Khodja, H., Likonen, J., Linez, F., Litnovsky, A., Marandet, Y., Markelj, S., Martinez, A., Mayer, M., Meyer, O., Monier-Garbet, P., Moreau, P., Negrier, V., Oddon, P., Pardanaud, C., Pasquet, B., Pelicon, P., Petersson, P., Philipps, V., Possnert, G., Reiter, D., Roth, J., Roure, I., Rubel, M., Saint-Laurent, F., Samaille, F., Vavpetič, P.

“…This paper presents an analysis of the carbon–deuterium circulation and the resulting balance in Tore Supra over the period 2002–2007. Carbon balance combines…”
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Multi machine scaling of fuel retention in 4 carbon dominated tokamaks by Tsitrone, E., Pégourié, B., Marandet, Y., Artaud, J.F., Brosset, C., Bucalossi, J., Corre, Y., Dittmar, T., Gauthier, E., Languille, P., Linez, F., Loarer, T., Martin, C., Roubin, P., Kallenbach, A., Krieger, K., Mayer, M., Neu, R., Rohde, V., Roth, J., Rubel, M., Brezinsek, S., Kirschner, A., Kreter, A., Litnovsky, A., Philipps, V., Wienhold, P., Likonen, J., Coad, P., Lipschultz, B., Doerner, R.

“…In order to benchmark predictions for the in vessel tritium inventory in ITER, a survey of fuel retention measured in 4 carbon dominated tokamaks (TEXTOR,…”
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Structure of pellet cloud emission and relation with the local ablation rate by Pégourié, B., Geulin, E., Goto, M., Matsuyama, A., Motojima, G., Sakamoto, R.

“…Abstract The experimental reproduction of the conditions of pellet injection expected in future large devices being not possible in present day machines, it is…”
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Proposal of a control scheme for testing a centrifuge-based pellet injection system in DIPAK-PET by Ploeckl, B., Lang, P.T., Giegerich, Th, Geulin, E., Pégourié, B.

“…The envisaged Pellet Engineering Testbed (PET) in the framework of Direct Internal Recycling Integrated Development Platform Karlsruhe (DIPAK) will provide…”
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