Tokamak GOLEM - Shot Database - #48801

Time stamp25-04-30 14:06:28The session missionExperiments/PlasmaRegimes/MinimumStabilizationFull steamThe session ID 48788 The discharge commentRepeat #48726 with positionstabilization and with currentstabilization, U_cd=300 voltDischarge 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: \(p\sub{chamber}\sup{discharge,before}\)=0.53 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: \(U\sub{B\sub{t}}\sup{request}\)=900 V@\(t\sub{B\sub{t}}\sup{request}\)=0.0 us
• Current drive field: \(U\sub{E\sub{cd}}\sup{request}\)=300 V@\(t\sub{cd}\sup{request}\)=600.0 us

    Plasma:

• Plasma: yes or no: ☑
• Time parameters:\(\Delta t\sub{p}\)=22.02 ms (from:\(t\sub{start}\)=3.69 ms,to:\(t\sub{end}\)=25.71 ms)

    Plasma parameters:

• Loop voltage:\(\overline{U\sub{loop}}\)\(\)=5.18 ; \(\)=25.58 ; \(\)=0.00
• Toroidal magnetic field: \(\overline{B\sub{t}}\)=0.42 T; \(\max_{\tau \in [discharge]}B\sub{t}\)=0.56 T
• Plasma current: \(\overline{I\sub{p}}\)=3.35 kA; \(\max_{\tau \in [discharge]}I\sub{p}\)=4.80 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=300,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;5000,0;7000,0;9000,0;15000,-5;17000,-10;19000,-15;21000,-20;30000,0',vertical_switch='on',vertical_waveform='1000,0;5000,0;11000,-2;14000,-5;18000,-10;30000,0'

Current stabilization POKUS2

Parameters :main_switch='on',waveform='1000,0;1500,0;2000,0;2500,0;3000,0;3500,0;4000,0;4500,0;5000,0;5500,0;6000,0;6500,0;7000,0;7500,0;8000,0;8500,0;9000,0;9500,0;10000,0;10500,0;11000,0;11500,0;12000,0;12500,0;13000,0;13500,0;14000,0;14500,0;15000,-8;15500,-7;16000,-6;16500,-5;17000,-4;17500,-3;18000,-2;18500,-1;19000,0;19500,1;20000,2;20500,3;21000,4;21500,5;22000,6;22500,7;23000,8;23500,9;24000,10;24500,11;25000,12;25500,13;26000,14;26500,15;27000,16;27500,17;28000,16;28500,15;29000,14;29500,13;30000,12;30500,11;31000,10;31500,9;32000,8;32500,7;33000,6;33500,5;34000,4;34500,3;35000,2;35500,1;36000,0;36500,0;37000,0;37500,0;38000,0;38500,0;39000,0;39500,0;40000,0;40500,0;41000,0;41500,0;42000,0;42500,0;43000,0;43500,0;44000,0;44500,0;45000,0;45500,0;46000,0;46500,0;47000,0;47500,0;48000,0;48500,0;49000,0;49500,0;50000,0'

Acknowledgement

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Thanks to the specific help

The tokamak GOLEM controll SW @