Tokamak GOLEM - Shot Database - #49263

Time stamp25-06-18 13:38:19The session missionTrainingCourses/Universities/CTU.cz/TV@J/25/MiniprojektCommisioningBreakdown, plasma stabilizationThe session ID 49260 The discharge commentMaster reverse curr stabDischarge command/Dirigent.sh --discharge --operation.discharge "style='remote',voice='on',analysis='on'" --infrastructure.bt_ecd "U_Bt=800,t_Bt=0,U_cd=400,t_cd=500,O_Bt='CW',O_cd='CW'" --infrastru ...

     Technological parameters

• Working Gas: \(p\sub{chamber}\sup{discharge,before}\)=0,80 mPa; \(p\sub{chamber}\sup{discharge,pre}\)=9,95 mPa (\(p\sub{WG}\sup{request}\)= 10 mPa@\(X\sub{WG}\sup{request}\)=H )
• Toroidal magnetic field: \(U\sub{B\sub{t}}\sup{request}\)=800 V@\(t\sub{B\sub{t}}\sup{request}\)=0,0 us
• Current drive field: \(U\sub{E\sub{cd}}\sup{request}\)=400 V@\(t\sub{cd}\sup{request}\)=500,0 us

    Plasma:

• Plasma: yes or no: ☑
• Time parameters:\(\Delta t\sub{p}\)=6,46 ms (from:\(t\sub{start}\)=3,37 ms,to:\(t\sub{end}\)=9,83 ms)

    Plasma parameters:

• Loop voltage:\(\overline{U\sub{loop}}\)\(\)=8,11 ; \(\)=15,51 ; \(\)=0,00
• Toroidal magnetic field: \(\overline{B\sub{t}}\)=0,20 T; \(\max_{\tau \in [discharge]}B\sub{t}\)=0,28 T
• Plasma current: \(\overline{I\sub{p}}\)=1,12 kA; \(\max_{\tau \in [discharge]}I\sub{p}\)=1,42 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:

Mirnov coils @ Limiter 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=800,t_Bt=0,U_cd=400,t_cd=500,O_Bt='CW',O_cd='CW'

Working gas

Parameters :S_mode='p_wg',S_gas='H',p_H=10,U_v=22

Preionization

Parameters :S_device='HotCathode',SW_main='on',U_heater=90,U_accel=100

Position stabilization :

Parameters :main_switch='on',radial_switch='on',radial_waveform='1000,0;4000,0;5000,-2;7000,-4;9000,-4;10000,0;30000,0',vertical_switch='on',vertical_waveform='1000,0;5000,0;10000,-5;20000,-20;21000,0;32000,0;40000,0;50000,0'

Current stabilization

Parameters :main_switch='on',waveform='1000,0;6000,0;7000,4;7000,8;8500,10;9000,8;10000,0;40000,0'

Acknowledgement

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Thanks to the specific help

The tokamak GOLEM controll SW @