Overview of recent gyrotron R&D towards DEMO within EUROfusion Work Package Heating and Current Drive

Autor: Sebastian Ruess, Jianbo Jin, Jean-Philippe Hogge, Giovanni Grossetti, Saul Garavaglia, Gerd Gantenbein, Ioannis Gr. Pagonakis, Ioannis G. Tigelis, Marc George, Dirk Strauss, Gustavo Granucci, Konstantinos A. Avramidis, A. Zein, C. Wu, Zisis C. Ioannidis, Alexander Marek, Martin Schmid, Stefan Illy, Gaetano Aiello, Dimitrios V. Peponis, Philipp T. Brücker, Theo Scherer, J. Genoud, Tomasz Rzesnicki, Parth C. Kalaria, Stefano Alberti, Ioannis Chelis, Manfred Thumm, A. Zisis, Tobias Ruess, John Jelonnek, Thomas Franke, Minh Quang Tran, Alex Bruschi, George P. Latsas

Publikováno v: Nuclear fusion 59 (2019): 066014-1–066014-9. doi:10.1088/1741-4326/ab12f9
info:cnr-pdr/source/autori:Avramidis, Konstantinos A.; Aiello, Gaetano; Alverti, Stefano; Bruecker, Philipp Thomas; Bruschi, Alex; Chelis, Ioannis; Franke, Thomas; Gantenbein, Gerd; Garavaglia, Saul; Genoud, Jeremy; George, Marc; Granucci, Gustavo; Grossetti, Giovanni; Hogge, Jean-Philippe; Illy, Stefan; Ioannidis, Zisis C.; Jelonnek, John; Jin, Jianbo; Kalaria, Parth C.; Latsas, George P.; Marek, Alexander; Pagonakis, Ioannis Gr; Peponis, Dimitrios, V; Ruess, Sebastian; Ruess, Tobias; Rzesnicki, Tomasz; Scherer, Theo; Schmid, Martin; Strauss, Dirk; Thumm, Manfred; Tigelis, Ioannis; Wu, Chuaren; Zein, Andy; Zisis, Anastasios; Minh Quang Tran/titolo:Overview of recent gyrotron R&D towards DEMO within EUROfusion Work Package Heating and Current Drive/doi:10.1088%2F1741-4326%2Fab12f9/rivista:Nuclear fusion/anno:2019/pagina_da:066014-1/pagina_a:066014-9/intervallo_pagine:066014-1–066014-9/volume:59
Nuclear Fusion

Gyrotron R&D within the EUROfusion Work Package Heating and Current Drive (WPHCD) is addressing the challenging requirements posed on gyrotrons by the European concept for a demonstration fusion power plant (EU DEMO). These requirements, as specified

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca68980ba47ad6798f1236a9eb5ee214
https://iopscience.iop.org/article/10.1088/1741-4326/ab12f9/meta

KIT coaxial gyrotron development: from ITER toward DEMO

Autor: M. Fuchs, Jörg Weggen, I. Gr. Pagonakis, John Jelonnek, Martin Schmid, Zisis C. Ioannidis, Parth C. Kalaria, Stefan Illy, Sebastian Ruess, Jianbo Jin, Tomasz Rzesnicki, Konstantinos A. Avramidis, T. Kobarg, Tobias Ruess, Gerd Gantenbein, A. Zein, Manfred Thumm

Publikováno v: International journal of microwave and wireless technologies, 10 (5-6), 547-555
International Journal of Microwave and Wireless Technologies

Karlsruhe Institute of Technology (KIT) is doing research and development in the field of megawatt-class radio frequency (RF) sources (gyrotrons) for the Electron Cyclotron Resonance Heating (ECRH) systems of the International Thermonuclear Experimen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ac19031d98bf7f8489a1578d4970a42
https://doi.org/10.1017/s1759078718000144

Evaluation and Influence of Gyrotron Cathode Emission Inhomogeneity

Autor: Stefan Illy, Gerd Gantenbein, Bernhard Piosczyk, Andrey Samartsev, Konstantinos A. Avramidis, Tomasz Rzesnicki, Ioannis Gr. Pagonakis, A. Malygin, Sebastian Ruess, Manfred Thumm, John Jelonnek, Günter Dammertz, Jianghua Zhang

Publikováno v: IEEE Transactions on Electron Devices. 64:1315-1322

In order to evaluate the emission inhomogeneity of thermionic gyrotron cathode emitters, a novel definition of emission inhomogeneity and evaluating method from the current–voltage characteristics is described in this paper. Results for three diffe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d50411e7231b8381897d671366f4cd9b
https://doi.org/10.1109/ted.2017.2655147

Towards Advanced Fusion Gyrotrons: 2018 Update on Activities within EUROfusion

Autor: Jelonnek, John Aiello, Gaetano Alberti, Stefano Avramidis, Konstantinos Bruschi, Alex Chelis, Ioannis Franke, Thomas and Gantenbein, Gerd Garavaglia, Saul Granucci, Gustavo and Grossetti, Giovanni Illy, Stefan Ioannidis, Zisis Jin, Jianbo Kalaria, Parth Latsas, George Pagonakis, Ioannis and Peponis, Dimitrios Rzesnicki, Tomasz Ruess, Sebastian Ruess, Tobias Scherer, Theo Schmid, Martin Strauss, Dirk Wu, Chuanren Thumm, Manfred Tigelis, Ioannis Minh Quang Tran and Wilde, Fabian Zein, Andy

During the ongoing pre-concept phase (2014 - 2020) for a possible future European DEMOnstration Fusion Power Plant (DEMO) the activities within EUROfusion WP HCD EC Gyrotron R&D and Advanced Developments are focusing on options for near-term solution

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2127::bbd523b330e9107df668c90a6e2e8f02
https://pergamos.lib.uoa.gr/uoa/dl/object/uoadl:3182590

Computer-Controlled Test System for the Excitation of Very High-Order Modes in Highly Oversized Waveguides

Autor: Sebastian Ruess, Manfred Thumm, Stefan Illy, John Jelonnek, D. Wagner, Alexander Marek, Konstantinos A. Avramidis, Zisis C. Ioannidis, Tomasz Rzesnicki, Felix-Christopher Lutz, Jörg Weggen, Gerd Gantenbein, Tobias Ruess

Publikováno v: Journal of Infrared, Millimeter, and Terahertz Waves
Journal of infrared, millimeter, and terahertz waves, 40 (3), 257-268

The generation of a specific high-order mode with excellent mode purity in a highly oversized cylindrical waveguide is mandatorily required for the verification of high-power components at sub-THz frequencies. An example is the verification of quasi-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1fecc93ffcfa1237ec2281fa4565f3b4
https://hdl.handle.net/21.11116/0000-0003-559B-F21.11116/0000-0003-410D-621.11116/0000-0003-410F-4