Systematic cavity design approach for a multi-frequency gyrotron for DEMO and study of its RF behavior

PC Kalaria, KA Avramidis, J Franck, G Gantenbein… - Physics of …, 2016 - pubs.aip.org
High frequency (> 230 GHz) megawatt-class gyrotrons are planned as RF sources for
electron cyclotron resonance heating and current drive in DEMOnstration fusion power …

[PDF][PDF] Towards a 0.24-THz 1-to-2-MW-class gyrotron for DEMO

M Thumm, J Franck, PC Kalaria, KA Avramidis… - Terahertz Sci …, 2015 - tstnetwork.org
Current design studies on electron cyclotron heating and current drive (ECH&CD) systems
for a DEMO fusion reactor demand gyrotron frequencies of above 200 GHz for efficient CD …

RF behavior of cylindrical cavity based 240 GHz, 1 MW gyrotron for future tokamak system

N Kumar, U Singh, A Bera, AK Sinha - Journal of Infrared, Millimeter, and …, 2017 - Springer
In this paper, we present the RF behavior of conventional cylindrical interaction cavity for
240 GHz, 1 MW gyrotron for futuristic plasma fusion reactors. Very high-order TE mode is …

RF behavior and launcher design for a fast frequency step-tunable 236 GHz gyrotron for DEMO

PC Kalaria, KA Avramidis, J Franck, G Gantenbein… - Frequenz, 2017 - degruyter.com
As part of the EUROfusion project, the conceptual design of a 1 MW 236 GHz hollow-cavity
gyrotron is ongoing at IHM, KIT for a DEMOnstration Power Plant (DEMO), along with a 2 …

Interaction circuit design and RF behavior of a 236 GHz gyrotron for DEMO

P Kalaria, KA Avramidis, J Franck… - 2015 German …, 2015 - ieeexplore.ieee.org
The Demonstration Fusion Power Reactor (DEMO) to follow ITER by 2050 demands high
frequency (> 230 GHz), high power (in the range from 1 MW to 2 MW) gyrotrons as RF …

[图书][B] Systematic study of key components for a Coaxial-Cavity gyrotron for DEMO

J Franck - 2017 - books.google.com
The physical design of cavity and magnetron injection gun (MIG) for a realistic, DEMO-
compatible, coaxial-cavity 238 GHz 2 MW CW fusion gyrotron is developed in this work …

Mode competition control using triode-type start-up scenario for a 236 GHz gyrotron for DEMO

PC Kalaria, KA Avramidis, G Gantenbein… - 2018 11th German …, 2018 - ieeexplore.ieee.org
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" Heating and …

From W7-X towards ITER and beyond: Status and progress in EU fusion gyrotron developments

J Jelonnek, G Aiello, K Avramidis… - 2015 IEEE …, 2015 - ieeexplore.ieee.org
In Europe, significant progress in gyrotron research, development and manufacturing has
been made in 2014, starting from the successful continuation of the 1 MW, 140 GHz gyrotron …

Investigation on misalignment tolerances of 240-GHz DEMO gyrotrons

S Illy, PC Kalaria, J Franck… - 2017 Eighteenth …, 2017 - ieeexplore.ieee.org
Considering the design goals and technological constraints for DEMO gyrotrons, conceptual
design and tolerance analyses of a 236 GHz 1 MW conventional, hollow-cavity gyrotron and …

A fast frequency step-tunable 236 GHz gyrotron design for DEMO

P Kalaria, KA Avramidis, J Franck… - 2016 German …, 2016 - ieeexplore.ieee.org
As part of the EUROfusion WP HCD EC project, the conceptual design of a 1 MW, 236 GHz
hollow-cavity gyrotron is ongoing at IHM, KIT for a Demonstration Power Plant (DEMO) …