Tokamak GOLEM - Shot Database - #48959

Time stamp25-05-20 12:21:50The session missionExperiments/PlasmaRegimes/MinimumStabilizationFull steamThe session ID 48950 The discharge commentDischarge command/Dirigent.sh --discharge --operation.discharge "style='standard'" --infrastructure.bt_ecd "U_Bt=900,t_Bt=0,U_cd=350,t_cd=250,O_Bt='CW',O_cd='CW'" --infrastructure.workinggas "S_mod ...

     Technological parameters

• Working Gas: \(p\sub{chamber}\sup{discharge,before}\)=0.99 mPa; \(p\sub{chamber}\sup{discharge,pre}\)=20.40 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@\(t\sub{cd}\sup{request}\)=250.0 us

    Plasma:

• Plasma: yes or no: ☑
• Time parameters:\(\Delta t\sub{p}\)=21.92 ms (from:\(t\sub{start}\)=2.87 ms,to:\(t\sub{end}\)=24.79 ms)

    Plasma parameters:

• Loop voltage:\(\overline{U\sub{loop}}\)\(\)=6.30 ; \(\)=23.08 ; \(\)=0.00
• Toroidal magnetic field: \(\overline{B\sub{t}}\)=0.40 T; \(\max_{\tau \in [discharge]}B\sub{t}\)=0.55 T
• Plasma current: \(\overline{I\sub{p}}\)=3.02 kA; \(\max_{\tau \in [discharge]}I\sub{p}\)=4.03 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=250,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=90,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,-8;8500,-10;9000,-12;9500,-14;10000,-16;10500,-18;11000,-20;50000,0',vertical_switch='on',vertical_waveform='1000,0;5000,-1;6000,-2;7000,-3;8000,-4;9000,-5;10000,-6;11000,-8;12000,-10;13000,-12;14000,-14;15000,-16;17000,-18;19000,-20;50000,0'

Current stabilization

Parameters :main_switch='on',waveform='1000,0;4000,0;5000,0;8000,0;15000,0;17000,1;17500,2;18000,3;18500,4;19000,4;19500,5;20000,5;20500,6;21000,6;21500,7;22000,7;22500,8;23000,8;23500,9;24000,9;24500,10;25000,10;25500,11;26000,11,26500,12;27000,12;27500,12;28000,12;29500,11;30000,11;30500,10;31000,10;31500,9;32000,9;40000,4;50000,0'--comment

Acknowledgement

---

Thanks to the specific help

The tokamak GOLEM controll SW @