Search Results - "Ruess, S."

Multiphysics Modeling of Insert Cooling System for a 170-GHz, 2-MW Long-Pulse Coaxial-Cavity Gyrotron by Kalaria, P. C., George, M., Illy, S., Avramidis, K. A., Gantenbein, G., Ruess, S., Thumm, M., Jelonnek, J.

“…High-power, high-frequency gyrotrons are the only promising sources for the electron cyclotron resonance heating and current drive (ECRH&CD) in the present…”
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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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Computer-Controlled Test System for the Excitation of Very High-Order Modes in Highly Oversized Waveguides by Ruess, T., Avramidis, K. A., Gantenbein, G., Ioannidis, Z., Illy, S., Lutz, F.-C., Marek, A., Ruess, S., Rzesnicki, T., Thumm, M., Wagner, D., Weggen, J., Jelonnek, J.

“…The generation of a specific high-order mode with excellent mode purity in a highly oversized cylindrical waveguide is mandatorily required for the…”
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Analysis of an actively-cooled coaxial cavity in a 170 GHz 2 MW gyrotron using the multi-physics computational tool MUCCA by Bertinetti, A., Albajar, F., Avramidis, K.A., Cau, F., Cismondi, F., Gantenbein, G., Jelonnek, J., Kalaria, P.C., Ruess, S., Rzesnicki, T., Savoldi, L., Zanino, R.

“…•The refrigeration of a gyrotron coaxial cavity is investigated.•Annular cooling channel allows operation below T limit for ∼150 ms.•Steady state condition…”
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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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2018 Status of the Measurement Capabilities for Fusion Gyrotrons at KIT/IHM by Ruess, T., Avramidis, K. A., Fuchs, M., Gantenbein, G., Illy, S., Ioannidis, Z., Lutz, F. C., Ruess, S., Rzesnicki, T., Thumm, M., Wagner, D., Weggen, J., Jelonnek, J.

“…This paper gives an overview about three key measurement capabilities at KIT/IHM for fusion gyrotrons. The discussed topics are: RF window test facility, low…”
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Towards Fully Automated Systems for the Generation of Very High Order Modes in Oversized Waveguides by Ruess, T., Avramidis, K.A., Fuchs, M., Gantenbein, G., Illy, S., Lutz, F.-C., Marek, A., Ruess, S., Rzesnicki, T., Thumm, M., Wagner, D., 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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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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Operation of the Modular KIT 170 GHz - 2 MW Longer-Pulse Coaxial-Cavity Gyrotron with Pulses up to 50 ms by Ioannidis, Z. C., Rzesnicki, T., Avramidis, K. A., Gantenbein, G., Illy, S., Jin, J., Krier, L., Pagonakis, I. Gr, Ruess, S., Schmid, M., Thumm, M., Jelonnek, J.

“…The KIT 170 GHz - 2 MW longer-pulse coaxial-cavity gyrotron is continuously upgraded with the goal to reach 1 s pulses with a modular construction. In this…”
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Investigation of a Mini-Channel Cavity Cooling Concept for a 170 GHz, 2 MW Coaxial-Cavity Gyrotron by Illy, S., Avramidis, K. A., Brucker, P. T., Gantenbein, G., Kalaria, P. C., Ruess, S., Thumm, M., Jelonnek, J.

“…The maximum heat load on the cavity wall of high power fusion gyrotrons is one of the major limiting technological factors for the operation of the tube. To…”
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DEMO-Relevant Gyrotron Research at KIT by Avramidis, K. A., Jin, J., Kalaria, P. C., Marek, A., Pagonakis, I. Gr, Ruess, S., Ruess, T., Rzesnicki, T., Scherer, T., Schmid, M., Strauss, D., Aiello, G., Thumm, M., Tran, M. Q., Wu, C., Jelonnek, J., Brucker, P. T., Ell, B., Franke, T., Gantenbein, G., Grossetti, G., Illy, S., Ioannidis, Z. C.

“…The DEMO-relevant gyrotron research at Karlsruhe Institute of Technology is driven by the European concept for a demonstration fusion reactor (EU DEMO). This…”
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Experimental results and outlook of the 2 MW 170 GHz coaxial-cavity gyrotron towards long pulse operation by Ruess, S., Rzesnicki, T., Pagonakis, I. Gr, Kobarg, T., Fuchs, M., Illy, S., Gantenbein, G., Thumm, A. M., Jelonnek, J.

“…The development of the modular short-pulse pre-prototype as base for the 2 MW, 170 GHz, CW coaxial-cavity gyrotron for international fusion project ITER and…”
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Antibiotic use in Germany and European comparison by De With, K, Schröder, H, Meyer, E, Nink, K, Hoffmann, S, Steib-Bauert, M, Kämmerer, R, Ruess, S, Daschner, F D, Kern, W V

“…In view of increasing rates of antibiotic resistance worldwide and decreased research and development of new antibacterial compounds, programmes helping to…”
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Cycle DNA sequencing from a gel band by Kadokami, Y, Ruess, S L, Mills, B W, Lewis, R V

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Heading From W7-X Gyrotrons Towards Gyrotrons for Demo: Research Strategy and Recent Developments at Kit by Jelonnek, J., Aiello, G., Avramidis, K., Franck, J., Gantenbein, G., Illy, S., Ioannidis, Z. C., Jin, J., Kalaria, P., Pagonakis, I. G., Rzesnicki, T., Ruess, S., Scherer, T., Strauss, D., Thumm, M., Wu, C.

“…ECH&CD in future fusion reactors such as the European DEMOnstration power plant may require the availability of gyrotrons with operating frequency…”
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Considerations on the selection of operating modes for future coaxial-cavity gyrotrons for DEMO by Ruess, T., Avramidis, K. A., Gantenbein, G., Illy, S., Ioannidis, Z., Kalaria, P., Obermaier, M., Pagonakis, I. Gr, Ruess, S., Rzesnicki, T., Thumm, M., Jelonnek, J.

“…At KIT, a modular 170 GHz, 2 MW TE34, i9-mode coaxial-cavity gyrotron with advanced water cooling is ready for tests. The successful operation of this tube…”
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