National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Status of Magnetic Diagnostics on COMPASS
Havlíček, J. ; Kudláček, O. ; Janky, F. ; Horáček, Jan ; Beňo, R. ; Valcárcel, D.F. ; Fixa, J. ; Brotánková, Jana ; Zajac, Jaromír ; Hron, Martin ; Pánek, Radomír ; Cahyna, Pavel
The COMPASS tokamak is in a test operation after its reinstallation in Institute of Plasma Physics AS CR in Prague (IPP Prague) in the year 2008. This operation consists of commissioning of various diagnostics and tokamak auxiliary systems. This paper presents current status of magnetic diagnostics after its refurbishment, used method of the calibration and shows examples of magnetic diagnostics utilization for plasma position reconstruction as well as for vertical hydraulic preload interlock system.
Magnetická diagnostika pro zahajovací fázi projektu COMPASS
Havlíček, Josef ; Horáček, Jan ; Weinzettl, Vladimír ; Hronová-Bilyková, Olena ; Naydenkova, Diana ; Zajac, Jaromír
The COMPASS tokamak was successfully reinstalled in Prague after two and half years of intensive work. The first plasma shot was achieved on 9th December 2008. The work on the commissioning to the full performance has begun after this first shot. This paper presents results of magnetic diagnostics measurements for the first COMPASS shot and subsequent campaign. First attempts to plasma position reconstruction are described and a comparison of computed magnetic field and magnetic field measured directly with Hall sensors is shown.
Rekonstrukce magnetické rovnováhy v tokamaku
Havlíček, Josef ; Urban, Jakub
Equilibrium reconstruction determines the plasma shape, the current profile and pressure profile parameters in tokamaks. It is based on solving Grad-Shafranov equation describing MHD equilibrium in axially symmetric devices. This paper reports on the principles of the EFIT code and on the parallelization of the EFIT2006 code.

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