Search Results - "Arnas, C"

Diagnostics of a high-pressure DC magnetron argon discharge with an aluminium cathode by Mitic, S., Moreno, J., Arnas, C., Couëdel, L.

“…In this article, the plasma parameters of a direct current magnetron discharge in argon at moderate pressure (10 to 40 Pa) using an aluminium cathode are…”
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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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Dust devil dynamics by Horton, W., Miura, H., Onishchenko, O., Couedel, L., Arnas, C., Escarguel, A., Benkadda, S., Fedun, V.

“…A self‐consistent hydrodynamic model for the solar heating‐driven onset of a dust devil vortex is derived and analyzed. The toroidal flows and vertical…”
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Cross machine investigation of magnetic tokamak dust: Morphological and elemental analysis by De Angeli, M., Ripamonti, D., Ghezzi, F., Tolias, P., Conti, C., Arnas, C., Jerab, M., Rudakov, D.L., Chrobak, C.P., Irby, J., LaBombard, B., Lipschultz, B., Maddaluno, G.

“…The presence of magnetic dust can be an important issue for future fusion reactors where plasma breakdown is critical. Magnetic dust has been collected from…”
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Spontaneous synthesis of carbon nanowalls, nanotubes and nanotips using high flux density plasmas by Bystrov, K., van de Sanden, M.C.M., Arnas, C., Marot, L., Mathys, D., Liu, F., Xu, L.K., Li, X.B., Shalpegin, A.V., De Temmerman, G.

“…We have investigated the formation of various carbon nanostructures using extreme plasma fluxes up to four orders of magnitude larger than in conventional…”
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Dust sampling in WEST and tritium retention in tokamak-relevant tungsten particles by Peillon, S., Dougniaux, G., Payet, M., Bernard, E., Pieters, G., Feuillastre, S., Garcia-Argote, S., Gensdarmes, F., Arnas, C., Miserque, F., Herlin-Boime, N., Grisolia, C., Pluchery, O.

“…•Dust sampling have been done after C2 campaign in WEST tokamak.•Micrometer tungsten particles with spherical shape were collected.•Surrogate tungsten powder…”
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Survey of tungsten gross erosion from main plasma facing components in WEST during a L-mode high fluence campaign by Fedorczak, N., Arnas, C., Cappelli, L., Colas, L., Corre, Y., Diez, M., Gallo, A., Gaspar, J., Grosjean, A., Guillemaut, C., Gunn, J.P., Johnson, C., Martin, C., Tsitrone, E., Unterberg, E.A., Bucalossi, J.

“…An initial high fluence campaign was performed in WEST, in 2023, on the newly installed actively cooled tungsten divertor composed of ITER-grade monoblocks…”
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Cross machine investigation of magnetic tokamak dust; structural and magnetic analysis by De Angeli, M., Tolias, P., Conti, C., Ripamonti, D., Ghezzi, F., Arnas, C., Irby, J., Jerab, M., LaBombard, B., Lecci, S., Maddaluno, G.

“…Magnetic dust collected from multiple fusion devices (FTU, Alcator C-Mod, COMPASS) that feature different plasma-facing components (PFCs) and toroidal magnetic…”
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Fast nanostructured carbon microparticle synthesis by one-step high-flux plasma processing by Aussems, D.U.B., Bystrov, K., Doğan, İ., Arnas, C., Cabié, M., Neisius, T., Rasiński, M., Zoethout, E., Lipman, P.J.L., van de Sanden, M.C.M., Morgan, T.W.

“…This study demonstrates a fast one-step synthesis method for nanostructured carbon microparticles on graphite samples using high-flux plasma exposure. These…”
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Three-dimensional structure of Mach cones in monolayer complex plasma crystals by Couëdel, L, Samsonov, D, Durniak, C, Zhdanov, S, Thomas, H M, Morfill, G E, Arnas, C

“…The structure of Mach cones in a crystalline complex plasma has been studied experimentally using an intensity sensitive imaging, which resolved particle…”
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Analyses of dust samples collected in the MAST tokamak by Arnas, C., Pardanaud, C., Martin, C., Roubin, P., De Temmerman, G., Counsell, G.

“…Dust samples collected in the MAST tokamak have been characterized. Mass measurements have been correlated to regions of collection. Electron microscopy has…”
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Modeling of dust formation in a DC discharge by Michau, A., Lombardi, G., Arnas, C., Bonnin, X., Hassouni, K.

“…Nanostructured dust particles are often found in thermonuclear fusion reactors with carbon plasma-facing components [1]. Parasitic plasmas in remote locations…”
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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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Characterization and origin of large size dust particles produced in the Alcator C-Mod tokamak by Arnas, C., Irby, J., Celli, S., De Temmerman, G., Addab, Y., Couëdel, L., Grisolia, C., Lin, Y., Martin, C., Pardanaud, C., Pierson, S.

“…•New data on dust produced by plasma-wall interaction.•Dust size larger than in any other tokamaks.•Dust produced in large quantities by material overheating…”
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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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From eroded material to dust: An experimental evaluation of the mobilised dust production in Tore Supra by Grisolia, C., Rosanvallon, S., Loarte, A., Sharpe, P., Arnas, C.

“…In a fusion reactor like ITER, in-vessel materials are subjected to interactions with the plasma. One of the main consequences of these plasma-material…”
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Agglomeration of mesoscopic particles in plasma by Annaratone, B M, Elskens, Y, Arnas, C, Antonova, T, Thomas, H M, Morfill, G E

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Characterisation of carbon dust produced in sputtering discharges and in the Tore Supra tokamak by Arnas, C., Dominique, C., Roubin, P., Martin, C., Brosset, C., Pégourié, B.

“…The sputtering of inside wall components of tokamaks can lead to the injection of supersaturated vapor in the edge plasmas. The resulting condensation favors…”
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Raman spectroscopy and X-ray diffraction studies of some deposited carbon layers in Tore Supra by Roubin, P., Martin, C., Arnas, C., Colomban, Ph, Pégourié, B., Brosset, C.

“…Carbon deposited layers collected in Tore Supra on the neutralizers, on the toroidal pumped limiter and on the vertical outboard limiter have been analysed by…”
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Critical Review of Complex Plasma (Dusty Plasma) Diagnostics and Manipulation Techniques for the Fusion Community and Others by Annaratone, B.M., Jacob, W., Arnas, C., Morfill, G.E.

“…This paper surveys the present state of the art of diagnostics and removal techniques for particles suspended in plasma. Research on ldquodusty plasmasrdquo is…”
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