期刊
FUSION ENGINEERING AND DESIGN
卷 164, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.fusengdes.2020.112173
关键词
Gyrotron; Electron cyclotron resonance heating; Wendelstein 7-X stellarator
资金
- Euratom research and training programme 2014-2018 and 2019-2020 [633053]
- Innovationspool (W7-X HiPower), Bundesministerium fur Bildung und Forschung, Germany
The development of a 1.5 MW 140 GHz CW prototype gyrotron for the Wendelstein 7-X stellarator has started, with KIT responsible for the scientific design of the tube. A pre-prototype gyrotron has also been developed for experimental validation prior to the construction of the CW prototype in 2021. The focus is on the scientific design and its numerical and experimental validation.
For the required upgrades of the Electron Cyclotron Resonance Heating system at the stellarator Wendelstein 7-X, the development of a 1.5 MW 140 GHz Continuous Wave (CW) prototype gyrotron has started. KIT has been responsible to deliver the scientific design of the tube (i.e. the electron optics design and the RF design), with contributions from NKUA and IPP. The prototype gyrotron has been ordered at the industrial partner, Thales, France, and is expected to be delivered in 2021. In parallel, a short-pulse pre-prototype gyrotron has been developed at KIT, to provide the means for a first experimental validation of the scientific design in ms pulses, prior to the construction of the CW prototype. This paper reports on the status of the 1.5 MW CW gyrotron development, focusing on the scientific design and its numerical and experimental validation.
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