Tokamak GOLEM - Shot Database - #44536

The date of discharge execution24-04-18 12:58:44 The session missionTrainingCourses/Universities/CTU.cz/PRPL.en/23-24/PlasmaRegimeOptimizationPlasma regime optimization via preionization and plasma position stabilization The session ID 44531 The discharge commentStabilizationDischarge command/Dirigent.sh --discharge --operation.discharge "style='remote',voice='on',analysis='on'" --infrastructure.bt_ecd "U_Bt=1000,t_Bt=0,U_cd=500,t_cd=1000,O_Bt='CW',O_cd='CW'" --infrast ...

     Technological parameters

• Working Gas: \(p\sub{chamber}\sup{discharge,before}\)=0.52 mPa; \(p\sub{chamber}\sup{discharge,pre}\)=27.10 mPa (\(p\sub{WG}\sup{request}\)= 15 mPa@\(X\sub{WG}\sup{request}\)=H )
• Toroidal magnetic field: \(U\sub{B\sub{t}}\sup{request}\)=1000 V@\(t\sub{B\sub{t}}\sup{request}\)=0.0 us
• Current drive field: \(U\sub{E\sub{cd}}\sup{request}\)=500 V@\(t\sub{cd}\sup{request}\)=1000.0 us

    Plasma:

• Plasma: yes or no: ☑
• Time parameters:\(\Delta t\sub{p}\)=9.74 ms (from:\(t\sub{start}\)=3.39 ms,to:\(t\sub{end}\)=13.12 ms)

    Plasma parameters:

• Loop voltage:\(\overline{U\sub{loop}}\)\(\)=10.66 V; \(\maximum{{\tau \in [discharge]}U\sub{loop}}\)=17.95 V; \(U\sub{breakdown}\)=0.00 V
• Toroidal magnetic field: \(\overline{B\sub{t}}\)=0.30 T; \(\max_{\tau \in [discharge]}B\sub{t}\)=0.42 T
• Plasma current: \(\overline{I\sub{p}}\)=1.56 kA; \(\max_{\tau \in [discharge]}I\sub{p}\)=2.24 kA; \(t\sub{Ip}\sup{max}\)=0.00 ms

Basic Diagnostics    

On stage diagnostics

Off stage diagnostics

Motion detection 

 

N/A

South

North

Analysis

Name	Analysis results

Infrastructure

Chamber

Bt, Ecd:U_Bt=1000,t_Bt=0,U_cd=500,t_cd=1000,O_Bt='CW',O_cd='CW' Preionization:S_device='HotCathode',SW_main='on',U_heater=100,U_accel=70 Position stabilization: main_switch='on',radial_switch='on',radial_waveform='1000,0;3000,-1;5000,-2;7000,-4;9000,-6;12000,-8;15000,-10;18000,-12;20000,-14;24000,-16;26000,-18;29000,-20;30000,0,',vertical_switch='on',vertical_waveform='1000,0;2000,-2;4000,-4;6000,-6;10000,-8;15000,-10;18000,-12;21000,-14;23000,-16;27000,-18;29000,-20;30000,0,'    

Biasing electrode:main_switch='on',waveform='1000,0;3000,-20;15000,0;30000,0',position=90

Acknowledgement

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Thanks to the specific help

The tokamak GOLEM controll SW @