Tokamak GOLEM Work of Vojtech Svoboda and a team of CTU Prague students presented by Ondrej Kudlacek.

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Presentation transcript:

Tokamak GOLEM Work of Vojtech Svoboda and a team of CTU Prague students presented by Ondrej Kudlacek

Content I. Introduction- basics of Golem II. Engineering scheme III. Aviable diagnostics IV. Other activities

I. Golem basics Small size tokamak: R = 0.4 m a = m B T < 0.5 T I P < 8 kA Discharge length < 20 ms Density 0.2-3∙10 19 T e < 100 eV Oldest operating tokamak in the world

Historical overview

Golem site Prague castle Old town Tokamak Golem

Name origin

II. Golem systems

Basic tasks Evacuate the chamber + fill working gas before the discharge Toroidal magnetic field generation Poloidal electric field generation- plasma current drive

Golem- the machine

Vacuum system- 1 mPa

Gas filling (H 2 or He)

Toroidal magnetic field

Current drive

Triggering sequence

Preionization

Control Room

Golem view

Infrastructure room

III. Basic diagnostics Loop voltage- wire around tokamak Toroidal magnetic field- pick-up coil Plasma current- Rogowski coil Visible and H α radiation More details during the experiments…

Vacuum vs. plasma shot

Data access All experimental data can be accessed remotely Software: Python, Matlab, IDL, Excel…

IV. Other activities

Gomtraic A remote school of tokamak operation Duration-3 months, a few remote experimental sessions during this period Open for all students around the world Tasks: breakdown studies, plasma position studies, electron temperature estimate, first wall conditioning… No participation fee Webpage:

Sumtraic An experimental training course in Prague (usually in August/September) 2 weeks of experimental activity on COMPASS/Golem Tasks: magnetic measurements, probe diagnostics, microwave measurement, optical diagnostics Webpage:

Remote laboratory session Can be a part of summer school, course in plasma physics etc… Tokamak operation demonstration Simple (or more complicated) tasks can be prepared for training Contact:

Acknowledgements The Golem team: Vojtech Svoboda, Edita Bromova, Vladimir Fuchs, Ondrej Grover, Igor Jex, Jindrich Kocman, Jaroslav Krbec, Borek Leitl, Tomas Markovic, Lukas Matena, Michal Odstrcil, Tomas Odstrcil, Ondrej Pluhar, Gergo Pokol, Jan Stockel, Tereza Ruzickova, Gabriel Vondrasek, Ondrej Vrba, Frantisek Zacek and Jiri Zara.