Search Results - "Vayakis, G"

Prospects for the steady-state magnetic diagnostic based on antimony Hall sensors for future fusion power reactors by Entler, S., Duran, I., Kocan, M., Vayakis, G., Kohout, M., Sebek, J., Sladek, P., Grover, O., Vyborny, K.

“…In the case of fusion devices with long pulses or continuous operation, conventional magnetic sensors, such as inductive sensors, have to be supplemented by…”
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Shunt and Rogowski coil measurements on ASDEX Upgrade in support of DEMO detachment control by Giannone, L., El Shawish, S., Herrmann, A., Kallenbach, A., Schuhbeck, K.H., Vayakis, G., Watts, C., Zammuto, I.

“…•Aim to develop designs for performing thermo-current measurements in DEMO.•Experiments with shunts and Rogowski coils were performed in AS-DEX…”
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Endoscope Emulator Test Bench for ITER Dust Monitor Diagnostic by Veshchev, E., Sadovskiy, Y., Begrambekov, L., Bidlevitch, O., Gordeev, O., Shigin, P., Vayakis, G., Walsh, M., Walton, R.

“…A technique based on a flexible endoscope was selected as a tool for the diagnostic of dust in ITER (``The Way'' in Latin). The diagnostic will consist of two…”
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Signal conditioning and processing for metallic Hall sensors by Entler, S., Duran, I., Sladek, P., Vayakis, G., Kočan, M.

“…•ITER outer vessel steady-state magnetic field sensors controller prototype.•Development and testing of the electronics for the bismuth Hall…”
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ITER magnetic sensor platform engineering analyses by Marin, A., Bertolini, C., Lucca, F., Ma, Y., Pagani, I., Vayakis, G., Viganò, F., Walsh, M.

“…ITER in-vessel magnetic sensors play a key role for ITER plasma operation. Each sensor is accommodated in a platform mounted on the inner surface of ITER…”
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Design and development of the mechanical support structure for ITER in-vessel magnetic sensors by Ma, Y., Vayakis, G., Carmona, J-M., Pascual, Q., Walton, R., Walsh, M.

“…•A mechanical platform accommodating ITER in-vessel magnetic sensors has been designed and prototyped.•The platform enables electrical connection of the…”
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Final design of the ITER outer vessel steady-state magnetic sensors by Kocan, M., Duran, I., Entler, S., Vayakis, G., Carmona, J.M., Gitton, P., Guirao, J., Gonzalez, M., Iglesias, S., Pascual, Q., Sandford, G., Vacas, C., Walsh, M., Walton, R.

“…•Final design of the ITER outer vessel steady-state magnetic sensors is described.•Radiation-hard Hall sensors were developed.•Signal processing electronics…”
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Laser-induced fluorescence for ITER divertor plasma by Gorbunov, A.V., Mukhin, E.E., Berik, E.B., Vukolov, K.Yu, Lisitsa, V.S., Kukushkin, A.S., Levashova, M.G., Barnsley, R., Vayakis, G., Walsh, M.J.

“…•The laser-induced fluorescence diagnostic system for measuring the ITER divertor plasma parameters is described.•The LIF spectroscopic schemes are chosen for…”
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Laser-induced fluorescence of helium ions in ITER divertor by Gorbunov, A.V., Mukhin, E.E., Berik, E.B., Melkumov, M.A., Babinov, N.A., Kurskiev, G.S., Tolstyakov, S.Yu, Vukolov, K.Yu, Lisitsa, V.S., Levashova, M.G., Andrew, P., Kempenaars, M., Vayakis, G., Walsh, M.J.

“…•The laser-induced fluorescence diagnostic system for measuring the ITER divertor plasma parameters is described.•The LIF spectroscopic schemes and lasers are…”
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Progress in the Design and Testing of In-Vessel Magnetic Pickup Coils for ITER by Peruzzo, S., Brombin, M., Furno Palumbo, M., Gonzalez, W., Marconato, N., Rizzolo, A., Arshad, S., Ma, Y., Vayakis, G., Suarez, A., Duran, I., Viererbl, L., Lahodova, Z.

“…This paper presents the results of the R&D activities recently performed to achieve the preliminary design of electromagnetic transducers for in-vessel local…”
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Nd:YAG lasers for ITER divertor Thomson scattering by Kornev, A.F., Davtian, A.S., Kovyarov, A.S., Makarov, A.M., Oborotov, D.O., Pokrovskii, V.P., Porozov, A.A., Sobolev, S.S., Stupnikov, V.K., Kurskiev, G.S., Mukhin, E.E., Tolstyakov, S.Yu, Andrew, P., Kempenaars, M., Vayakis, G., Walsh, M.

“…•The use of diode pumping in 2 J × 50 Hz 3 ns Nd:YAG laser improve beam quality.•Cavity dumping approach in 946 nm Nd:YAG laser allow to obtain 3 ns pulse…”
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Sensitivity of the diamagnetic sensor measurements of ITER to error sources and their compensation by Fresa, R., Albanese, R., Arshad, S., Coccorese, V., de Magistris, M., Minucci, S., Pironti, A., Quercia, A., Rubinacci, G., Vayakis, G., Villone, F.

“…•In the paper we discuss the sensitivity analysis for the measurement system of diamagnetic flux in the ITER tokamak.•Some compensation formulas have been…”
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Progress in ITER ECE Diagnostic Design and Integration by Udintsev, V.S., Danani, S., Taylor, G., Giacomin, T., Guirao, J., Pak, S., Hughes, S., Worth, L., Vayakis, G., Walsh, M.J., Schneider, M., Pandya, H.K.B., Kumar, R., Kumar, V., Jha, S., Thomas, S., Padasalagi, S. B., Kumar, S., Phillips, P. E., Rowan, W. L., Austin, M.E., Khodak, A., Feder, R., Neilson, H., Basile, A., Hubbard, A. E., Saxena, A., Nazare, C., Maquet, P., Gimbert, N.

“…The ITER Electron Cyclotron Emission (ECE) diagnostic is progressing towards its Preliminary Design Review (PDR). In parallel, the diagnostic integration in…”
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Dynamic and thermal simulations of a fast-ion loss detector for ITER by Ayllon-Guerola, J., Garcia-Munoz, M., Kocan, M., Gonzalez-Martin, J., Rivero-Rodriguez, J., Bertalot, L., Bonnet, Y., Catalan, J.P., Galdon, J., Garcia Lopez, J., Giacomin, T., Gunn, J.P., Rodriguez-Ramos, M., Reichle, R., Sanchis-Sanchez, L., Vayakis, G., Veshchev, E., Vorpahl, Ch, Walsh, M., Walton, R.

“…A magnetically driven fast-ion loss detector (FILD) is being designed for ITER. Due to the high heat load expected, fast movements and several measurement…”
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Design and development of ITER high-frequency magnetic sensor by Ma, Y., Vayakis, G., Begrambekov, L.B., Cooper, J.-J., Duran, I., Hirsch, M., Laqua, H.P., Moreau, Ph, Oosterbeek, J.W., Spuig, P., Stange, T., Walsh, M.

“…•ITER high-frequency magnetic sensor system has been designed.•Prototypes have been successfully manufactured.•Manufactured prototypes have been tested in…”
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Conceptual architecture of the plant system controller for the magnetics diagnostic of the ITER tokamak by Neto, A.C., Arshad, S., Sartori, F., Vayakis, G., Ambrosino, G., Batista, A., Bas, I., Campagnolo, R., Carvalho, B.B., De Magneval, G., De Tommasi, G., Dominguez, O., Fernandez-Hernando, J.L., Pironti, A., Simrock, S., Sousa, J., Sterle, C., Vergara, A., Winter, A., Zabeo, L.

“…In a tokamak the magnetic diagnostics are key to the exploitation of the machine. They play a central role in the real-time control of fundamental plasma…”
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Actuator and diagnostic requirements of the ITER Plasma Control System by Snipes, J.A., Beltran, D., Casper, T., Gribov, Y., Isayama, A., Lister, J., Simrock, S., Vayakis, G., Winter, A., Yang, Y., Zabeo, L.

“…► Present diagnostic and actuator specifications meet ITER PCS requirements. ► Actuator and diagnostic constraints restrict ITER's control and operation space…”
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Interface challenges as part of the ITER plasma control system design by Zabeo, L., de Vries, P.C., Gandini, F., Gribov, Y., Lehnen, M., Snipes, J.A., Winter, A., Henderson, M., Yu, Y., Maruyama, S., Mitchell, N., Jun, T., Song, I., Vergara, A., Oikawa, T., Schneider, M., Svensson, L., Lamalle, P., Vayakis, G., Watts, C.

“…•Plasma Control System plant system interfaces challenges in ITER described.•Plasma Control System complexity supported by plant systems (actuators,…”
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Design of a diagnostic residual gas analyzer for the ITER divertor by Klepper, C.C., Biewer, T.M., Graves, V.B., Andrew, P., Lukens, P.C., Marcus, C., Shimada, M., Hughes, S., Boussier, B., Johnson, D.W., Gardner, W.L., Hillis, D.L., Vayakis, G., Walsh, M.

“…•The divertor DRGA for ITER will measure neutral gas composition in the pumping ducts during plasma.•System must respond in timescales relevant to…”
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Update on the status of the ITER ECE diagnostic design by Taylor, G., Austin, M. E., Basile, A., Beno, J. H., Danani, S., Feder, R., Houshmandyar, S., Hubbard, A. E., Johnson, D. W., Khodak, A., Kumar, R., Kumar, S., Ouroua, A., Padasalagi, S. B., Pandya, H. K. B., Phillips, P. E., Rowan, W. L., Stillerman, J., Thomas, S., Udintsev, V. S., Vayakis, G., Walsh, M., Weeks, D.

“…Considerable progress has been made on the design of the ITER electron cyclotron emission (ECE) diagnostic over the past two years. Radial and oblique views…”
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