Tokamak GOLEM - Shot Database - #48790

Time stamp25-04-30 12:50:27The session missionExperiments/PlasmaRegimes/MinimumStabilizationFull steamThe session ID 48788 The discharge commentRepeat #48726 with preionizationDischarge command/Dirigent.sh --discharge --operation.discharge "style='standard'" --infrastructure.preionization "S_device='HotCathode',SW_main='on',U_heater=100,U_accel=100" --infrastructure.bt_e ...

     Technological parameters

• Working Gas: \(p\sub{chamber}\sup{discharge,before}\)=0.51 mPa; \(p\sub{chamber}\sup{discharge,pre}\)=9.89 mPa (\(p\sub{WG}\sup{request}\)= 10 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: \(U\sub{E\sub{cd}}\sup{request}\)=400 V@\(t\sub{cd}\sup{request}\)=600.0 us

    Plasma:

• Plasma: yes or no: ☑
• Time parameters:\(\Delta t\sub{p}\)=24.46 ms (from:\(t\sub{start}\)=2.41 ms,to:\(t\sub{end}\)=26.86 ms)

    Plasma parameters:

• Loop voltage:\(\overline{U\sub{loop}}\)\(\)=5.92 ; \(\)=30.31 ; \(\)=0.00
• Toroidal magnetic field: \(\overline{B\sub{t}}\)=0.42 T; \(\max_{\tau \in [discharge]}B\sub{t}\)=0.56 T
• Plasma current: \(\overline{I\sub{p}}\)=4.92 kA; \(\max_{\tau \in [discharge]}I\sub{p}\)=7.00 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=400,t_cd=600,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=100,U_accel=100

Position stabilization :

Parameters :main_switch='on',radial_switch='on',radial_waveform='1000,0;5000,-2;9000,-10;16000,-20;30000,0',vertical_switch='on',vertical_waveform='1000,0;5000,-2;10000,-10;13000,-20;16000,-10;30000,0'

Current stabilization POKUS2

Parameters :main_switch='on',waveform='1000,0;4000,0;5000,0;8000,0;15000,-6;16000,-4;17000,-2;18000,-1;19000,2;20000,4;21000,6;22000,8;23000,10;24000,12;25000,14;26000,16;27000,18;28000,20;29000,18;30000,16;31000,14;32000,12;33000,10;34000,8;35000,6;36000,4;37000,2;38000,-1;39000,-4;40000,-6;41000,-8;42000,-10;43000,-12;44000,-14;45000,-16;46000,-18;47000,-20;48000,0'

Acknowledgement

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Thanks to the specific help

The tokamak GOLEM controll SW @