Tokamak GOLEM - Shot Database - #50440

Time stamp25-11-12 10:50:28The session missionTrainingCourses/Universities/CTU.cz/PRPL.en/25-26/PlasmaRegimeOptimization-HeFull steamThe session ID 50436 The discharge commentHe stab beginningDischarge command/Dirigent.sh --discharge --operation.discharge "style='standard'" --infrastructure.bt_ecd "U_Bt=950,t_Bt=0,O_Bt='CW',U_cd=700,t_cd=0,O_cd='CW'" --infrastructure.preionization "S_de ...

     Technological parameters

• Working Gas: \(p\sub{chamber}\sup{discharge,before}\)=0.16 mPa; \(p\sub{chamber}\sup{discharge,pre}\)=19.50 mPa (\(p\sub{WG}\sup{request}\)= 20 mPa@\(X\sub{WG}\sup{request}\)=He )
• Toroidal magnetic field: \(U\sub{B\sub{t}}\sup{request}\)=950 V@\(t\sub{B\sub{t}}\sup{request}\)=0.0 us
• Current drive field: \(U\sub{E\sub{cd}}\sup{request}\)=700 V@\(t\sub{cd}\sup{request}\)=0.0 us

    Plasma:

• Plasma: yes or no: ☑
• Time parameters:\(\Delta t\sub{p}\)=6.72 ms (from:\(t\sub{start}\)=1.85 ms,to:\(t\sub{end}\)=8.57 ms)

    Plasma parameters:

• Loop voltage:\(\overline{U\sub{loop}}\)\(\)=15.89 ; \(\)=26.94 ; \(\)=0.00
• Toroidal magnetic field: \(\overline{B\sub{t}}\)=0.19 T; \(\max_{\tau \in [discharge]}B\sub{t}\)=0.29 T
• Plasma current: \(\overline{I\sub{p}}\)=1.69 kA; \(\max_{\tau \in [discharge]}I\sub{p}\)=2.11 kA; \(t\sub{Ip}\sup{max}\)=0.00 ms

Basic Diagnostics    

On stage diagnostics

Basic diagnostics Data flow:  Documentation:

Off stage diagnostics

Interferometry Data flow:  Documentation:

Fast cameras Data flow:  Documentation:

Parameters:fr_ux100a=1200,height_ux100a=56,recrate_ux100a=40000,shotdur_ux100a=40,width_ux100a=1280,fr_ux100b=1

Slow optical spectrometry Data flow:  Documentation:

Fast spectrometry Data flow:  Documentation:

Magnetohydrodynamic 16 mirnov coils ring Data flow:  Documentation:

Analysis

Name	Analysis results

Infrastructure

Chamber

Bt and Ecd ,

Parameters :U_Bt=950,t_Bt=0,O_Bt='CW',U_cd=700,t_cd=0,O_cd='CW'

Working gas

Parameters :S_mode='p_wg',S_gas='He',p_H=20,U_v=0

Preionization

Parameters :S_device='HotCathode',SW_main='off',U_heater=100,U_accel=100

Position stabilization :

Parameters :main_switch='on',radial_switch='on',radial_waveform='1000,0;6000,0;8000,1;10000,5;20000,5;30000,0;35000,0',vertical_switch='on',vertical_waveform='1000,0;5000,0;7000,3;10000,4;15000,0;17000,-3;19000,-7;21000,-9;23000,-9;25000,-7;30000,0'

Current stabilization

Parameters :main_switch='off',waveform='1000,0;5000,0;7000,5;10000,12;15000,0;17000,-5;19000,-12;21000,-16;23000,-16;25000,-12;30000,0'

The tokamak GOLEM is now in the Standby mode.

Acknowledgement

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Thanks to the specific help

The tokamak GOLEM controll SW @