Tokamak GOLEM - Shot Database - #48952

Time stamp25-05-20 11:16:58The session missionExperiments/PlasmaRegimes/MinimumStabilizationFull steamThe session ID 48950 The discharge commentfinding long dischargeDischarge command/Dirigent.sh --discharge --operation.discharge "style='standard'" --infrastructure.bt_ecd "U_Bt=900,t_Bt=0,U_cd=350,t_cd=500,O_Bt='CW',O_cd='CW'" --infrastructure.workinggas "S_mod ...

     Technological parameters

• Working Gas: \(p\sub{chamber}\sup{discharge,before}\)=0.70 mPa; \(p\sub{chamber}\sup{discharge,pre}\)=11.60 mPa (\(p\sub{WG}\sup{request}\)= 12 mPa@\(X\sub{WG}\sup{request}\)=H )
• Toroidal magnetic field: \(U\sub{B\sub{t}}\sup{request}\)=900 V@\(t\sub{B\sub{t}}\sup{request}\)=0.0 us
• Current drive field: \(U\sub{E\sub{cd}}\sup{request}\)=350 V@\(t\sub{cd}\sup{request}\)=500.0 us

    Plasma:

• Plasma: yes or no: ☑
• Time parameters:\(\Delta t\sub{p}\)=24.41 ms (from:\(t\sub{start}\)=2.73 ms,to:\(t\sub{end}\)=27.14 ms)

    Plasma parameters:

• Loop voltage:\(\overline{U\sub{loop}}\)\(\)=6.06 ; \(\)=15.99 ; \(\)=0.00
• Toroidal magnetic field: \(\overline{B\sub{t}}\)=0.43 T; \(\max_{\tau \in [discharge]}B\sub{t}\)=0.57 T
• Plasma current: \(\overline{I\sub{p}}\)=3.49 kA; \(\max_{\tau \in [discharge]}I\sub{p}\)=4.60 kA; \(t\sub{Ip}\sup{max}\)=0.00 ms

Basic Diagnostics    

On stage diagnostics

Basic diagnostics 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

Off stage diagnostics

Mirnov coils @ Limiter Data flow:  Documentation:

Analysis

Name	Analysis results

Infrastructure

Chamber

Bt and Ecd ,

Parameters :U_Bt=900,t_Bt=0,U_cd=350,t_cd=500,O_Bt='CW',O_cd='CW'

Working gas

Parameters :S_mode='p_wg',S_gas='H',p_H=12,U_v=22

Preionization

Parameters :S_device='HotCathode',SW_main='on',U_heater=80,U_accel=100

Position stabilization :

Parameters :main_switch='on',radial_switch='on',radial_waveform='1000,0;5000,-1;5500,-2;6000,-3;6500,-4;7000,-5;7500,-6;8000,-7;8500,-8;9000,-9;9500,-10;11000,-15;12000,-20;50000,0',vertical_switch='on',vertical_waveform='1000,0;8000,-5;10000,-10;20000,-15;30000,-20;50000,0'

Current stabilization

Parameters :"main_switch='off',waveform='1000,0;4000,-5;5000,-15;8000,-20;30000,0'"

Acknowledgement

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Thanks to the specific help

The tokamak GOLEM controll SW @