Search Results - "Pagonakis, I. Gr"

Experimental Testing of the European TH1509U 170-GHz 1-MW CW Industrial Gyrotron-Long Pulse Operation by Rzesnicki, T., Ioannidis, Z. C., Avramidis, K. A., Chelis, I., Gantenbein, G., Hogge, J.-P., Illy, S., Jelonnek, J., Jin, J., Leggieri, A., Legrand, F., Pagonakis, I. Gr, Sanchez, F., Thumm, M.

“…The upgraded European 1-MW, 170-GHz continuous wave (CW) industrial prototype gyrotron (TH1509U) for electron cyclotron resonance heating and current drive in…”
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Design and manufacturing process for the KIT 2-MW 170-GHz coaxial-cavity longer-pulse gyrotron by Ruess, S., Gantenbein, G., Heinzel, A., Illy, S., Pagonakis, I. Gr, Rzesnicki, T., Thumm, M., Weggen, J., Weisenburger, A., Jelonnek, J.

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2018 Status on KIT Gyrotron Activities by Jelonnek, John, Aiello, G., Avramidis, K., Gantenbein, G., Grossetti, G., Illy, S., Ioannidis, Z. C., Jin, J., Kalaria, P., Marek, A., Pagonakis, I. Gr, Rzesnicki, T., Ruess, S., Ruess, T., Scherer, T., Schmid, M., Strauss, D., Thumm, M., Wilde, F., Wu, C., Zein, A.

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Current Status of the KIT Coaxial-Cavity Long-Pulse Gyrotron and its Key Components by Ruess, S., Avramidis, K. A., Gantenbein, G., Ioannidis, Z., Illy, S., Kalaria, P. C., Kobarg, T., Pagonakis, I. Gr, Ruess, T., Rzesnicki, T., Thumm, M., Weggen, J., Jelonnek, J.

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Recent Trends in Fusion Gyrotron Development at KIT by Gantenbein, G., Avramidis, K., Franck, J., Illy, S., Ioannidis, Z. C., Jin, J., Jelonnek, J., Kalaria, P., Pagonakis, I. Gr, Ruess, S., Rzesnicki, T., Thumm, M., Wu, C.

“…ECRH&CD is one of the favorite heating system for magnetically confined nuclear fusion plasmas. KIT is strongly involved in the development of high power…”
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EURIDICE: A code-package for gyrotron interaction simulations and cavity design by Avramides, K. A., Pagonakis, I. Gr, Iatrou, C. T., Vomvoridis, J. L.

“…We report, for the first time comprehensively, on the present status of the code-package EURIDICE for gyrotron interaction simulations and cavity design,…”
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Recent experiments with the European 1MW, 170GHz industrial CW and short-pulse gyrotrons for ITER by Ioannidis, Z. C., Albajar, F., Alberti, S., Avramidis, K. A., Bin, W., Bonicelli, T., Bruschi, A., Chelis, J., Fanale, F., Gantenbein, G., Genoud, J., Hogge, J.-P., Hermann, V., Illy, S., Jelonnek, J., Jin, J., Kasparek, W., Latsas, G. P., Legrand, F., Lechte, C., Pagonakis, I. Gr, Rzesnicki, T., Sánchez, F., Schlatter, C., Schmid, M., Tigelis, I. G., Thumm, M., Tran, M. Q., Zisis, A., Zein, A.

“…•Status of the experiments with the EU 170 GHz, 1 MW CW industrial prototype gyrotron for ITER.•Possible upgrades of the EU 170 GHz, 1 MW SP prototype gyrotron…”
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Gyrotron development at KIT: FULGOR test facility and gyrotron concepts for DEMO by Schmid, M., Franck, J., Kalaria, P., Avramidis, K.A., Gantenbein, G., Illy, S., Jelonnek, J., Pagonakis, I. Gr, Rzesnicki, T., Thumm, M.

“…•Substantial extension of the KIT gyrotron test facility FULGOR has started.•FULGOR will be able to test gyrotrons with continuous RF output power up to…”
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Experimental results and recent developments on the EU 2 MW 170 GHz coaxial cavity gyrotron for ITER by Kern, S., Hogge, J.-P., Alberti, S., Avramides, K., Gantenbein, G., Illy, S., Jelonnek, J., Jin, J., Li, F., Pagonakis, I. Gr, Piosczyk, B., Rzesnicki, T., Thumm, M. K., Tigelis, I., Tran, M. Q.

“…The European Gyrotron Consortium (EGYC) is responsible for developing one set of 170 GHz mm-wave sources, in support of Europe’s contribution to ITER. The…”
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Design considerations for future DEMO gyrotrons: A review on related gyrotron activities within EUROfusion by Jelonnek, J., Aiello, G., Alberti, S., Avramidis, K., Braunmueller, F., Bruschi, A., Chelis, J., Franck, J., Franke, T., Gantenbein, G., Garavaglia, S., Granucci, G., Grossetti, G., Illy, S., Ioannidis, Z.C., Jin, J., Kalaria, P., Latsas, G.P., Pagonakis, I.Gr, Rzesnicki, T., Ruess, S., Scherer, T., Schmid, M., Strauss, D., Wu, C., Tigelis, I., Thumm, M., Tran, M.Q.

“…•The research work on multi-megawatt fusion gyrotrons with an operating frequency significantly above 200GHz together with an RF output power of more than 1MW…”
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New trends of gyrotron development at KIT: An overview on recent investigations by Gantenbein, G., Avramidis, K., Illy, S., Ioannidis, Z.C., Jin, J., Jelonnek, J., Kalaria, P., Pagonakis, I.Gr, Ruess, S., Ruess, T., Rzesnicki, T., Thumm, M., Wu, C.

“…Since many years KIT is strongly involved in the development of high power gyrotrons for use in ECRH. KIT is pursuing two development lines: (i) the…”
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Automated mode recovery for gyrotrons demonstrated at Wendelstein 7-X by Wilde, F., Marsen, S., Stange, T., Moseev, D., Oosterbeek, J.W., Laqua, H.P., Wolf, R.C., Avramidis, K., Gantenbein, G., Pagonakis, I.Gr, Illy, S., Jelonnek, J., Thumm, M.K., team, W-X

“…•An automated mode recovery for gyrotrons has been implemented on a FPGA.•The algorithm exploits the hysteretic gyrotron behaviour.•The nominal mode is…”
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Study of the ITER Stray Magnetic Field Effect on the EU 170-GHz 2-MW Coaxial Cavity Gyrotron by Pagonakis, I. Gr, Fengping Li, Illy, S., Piosczyk, B., Alberti, S., Hogge, J-P, Kem, S., Henderson, M., Darbos, C.

“…In this paper, the effect of the ITER stray magnetic field (SMF) on the operation of the European gyrotron has been studied. The SMFs include the magnetic…”
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Progress of The Experiments With the European 1Mw, 170Ghz Industrial Cw Prototype Gyrotron For Iter by Ioannidis, Z. C., Rzesnicki, T., Avramidis, K., Gantenbein, G., Illy, S., Jin, J., Kobarg, T., Pagonakis, I. Gr, Schmid, M., Thumm, M., Zein, A., Jelonnek, J., Alberti, S., Braunmueller, F., Hogge, J. -P., Schlatter, C., Genoud, J., Tran, M. Q., Kasparek, W., Lechte, C., Chelis, J., Latsas, G. P., Zisis, A., Tigelis, I. G., Bruschi, A., Bin, W., Lontano, M., Hermann, V., Rozier, Y., Legrand, F., Albajar, F., Bonicelli, T., Frigot, P. -E.

“…The first series of experiments with the EU 1 MW, 170 GHz CW industrial prototype gyrotron 1 for ITER have been completed at the KIT test facility at the end…”
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European research activities towards a future DEMO gyrotron by Jelonnek, J., Aiello, G., Alberti, S., Avramidis, K., Bertinetti, A., Bruschi, A., Chelis, J., Franke, T., Gantenbein, G., Garavaglia, S., Granucci, G., Grossetti, G., Illy, S., Ioannidis, Z.C., Jin, J., Kalaria, P., Latsas, G.P., Laqua, H., Leggieri, A., Legrand, F., Marek, A., Pagonakis, I.Gr, Peponis, D., Savoldi, L., Rzesnicki, T., Ruess, S., Ruess, T., Scherer, T., Schmid, M., Strauss, D., Tigelis, I., Thumm, M., Tran, M.Q., Wilde, F., Wu, C., Zanino, R., Zein, A.

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Calculation of stray magnetic field effects on the operation of the ITER electron cyclotron system by Li, F., Alberti, S., Hogge, J-Ph, Pagonakis, I. Gr

“…In a multi-gyrotron system such as the one presently designed for the ITER ECH & ECCD system, stray magnetic fields can significantly alter the operational…”
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European 1 MW, 170 GHz CW Gyrotron Prototype for ITER - long-pulse operation at KIT by Rzesnicki, T., Albajar, F., Avramidis, K. A., Chelis, I., Gantenbein, G., Hogge, J.-P., Illy, S., Ioannidis, Z. C., Jelonnek, J., Jin, J., Leggieri, A., Legrand, F., Pagonakis, I. Gr, Sanchez, F., Thumm, M

“…The upgraded EU 1 MW, 170 GHz continuous wave (CW) industrial prototype gyrotron (TH1509U) for Electron Cyclotron Resonance Heating and Current Drive (ECRH&CD)…”
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Influence of Electron Beam Misalignment on the Performance of a 0.24 THz, 1.5 MW Hollow-Cavity Gyrotron Design for DEMO by Kalaria, P. C., Avramidis, K. A., Gantenbein, G., Illy, S., Pagonakis, I. Gr, Thumm, M., Jelonnek, J.

“…After ITER, a DEMOnstration power plant (DEMO) is planned to prove technical feasibility of controlled thermonuclear fusion energy. High-frequency (\geq…”
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Mode competition control using triode-type start-up scenario for a 236 GHz gyrotron for DEMO by Kalaria, P. C., Avramidis, K. A., Gantenbein, G., Illy, S., Pagonakis, I. Gr, Thumm, M., Jelonnek, J.

“…After ITER, the first real prototype of a fusion power plant is foreseen. It is named Demonstration Power Plant (DEMO). Within the EUROfusion work package…”
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Experimental Study of the Emission Properties of Magnetron Injection Guns for High-Power Gyrotrons by Ioannidis, Z. C., Rzesnicki, T., Pagonakis, I. Gr, Gantenbein, G., Jelonnek, J.

“…The quality of the electron beam generated by a Magnetron Injection Gun (MIG) is very important in order to ensure the excellent performance of a gyrotron…”
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