Tokamak GOLEM - Shot Database - #49990

Time stamp25-09-23 17:56:16The session missionExperiments/PlasmaRegimes/0925OptimizationFull steamThe session ID 49944 The discharge commentucd 250 Ubt 600 radial offDischarge command/Dirigent.sh --discharge --operation.discharge "style='standard'" --infrastructure.bt_ecd "U_Bt=600,t_Bt=0,U_cd=250,t_cd=0,O_Bt='CW',O_cd='CW'" --infrastructure.workinggas "S_mode= ...

     Technological parameters

• Working Gas: \(p\sub{chamber}\sup{discharge,before}\)=0.54 mPa; \(p\sub{chamber}\sup{discharge,pre}\)=15.30 mPa (\(p\sub{WG}\sup{request}\)= 15 mPa@\(X\sub{WG}\sup{request}\)=H )
• Toroidal magnetic field: \(U\sub{B\sub{t}}\sup{request}\)=600 V@\(t\sub{B\sub{t}}\sup{request}\)=0.0 us
• Current drive field: \(U\sub{E\sub{cd}}\sup{request}\)=250 V@\(t\sub{cd}\sup{request}\)=0.0 us

    Plasma:

• Plasma: yes or no: ☑
• Time parameters:\(\Delta t\sub{p}\)=42.22 ms (from:\(t\sub{start}\)=3.09 ms,to:\(t\sub{end}\)=45.31 ms)

    Plasma parameters:

• Loop voltage:\(\overline{U\sub{loop}}\)\(\)=3.59 ; \(\)=23.85 ; \(\)=0.00
• Toroidal magnetic field: \(\overline{B\sub{t}}\)=0.35 T; \(\max_{\tau \in [discharge]}B\sub{t}\)=0.40 T
• Plasma current: \(\overline{I\sub{p}}\)=5.06 kA; \(\max_{\tau \in [discharge]}I\sub{p}\)=6.49 kA; \(t\sub{Ip}\sup{max}\)=0.00 ms

Basic Diagnostics    

On stage diagnostics

Basic diagnostics Data flow:  Documentation:

Off stage diagnostics

Interferometry 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

Slow optical spectrometry Data flow:  Documentation:

Scintillation probes Data flow:  Documentation:

Parameters:U_NIM_A1=600,U_NIM_A2=600,U_NIM_A3=600,U_NIM_A4=600

Mirnov coils @ Limiter Data flow:  Documentation:

Analysis

Name	Analysis results

Infrastructure

Chamber

Bt and Ecd ,

Parameters :U_Bt=600,t_Bt=0,U_cd=250,t_cd=0,O_Bt='CW',O_cd='CW'

Working gas

Parameters :S_mode='p_wg',S_gas='H',p_H=15,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='off',radial_waveform='0,0;25000,-20;50000,-20;60000,0',vertical_switch='on',vertical_waveform='1000,0;5000,-1;6000,-1;7000,-1;8000,-1;9000,-5;10000,-5;11000,-5;12000,-5;13000,-12;14000,-12;15000,-12;17000,-12;19000,-20;50000,-20;60000,0'

Current stabilization

Parameters :main_switch='on',waveform='1000,0;4000,0;5000,0;8000,0;15000,0;17000,0;17500,1;18000,1;18500,2;19000,2;19500,3;20000,3;20500,4;21000,4;21500,5;22000,5;22500,6;23000,6;23500,7;24000,7;24500,8;25000,8;25500,9;26000,9,26500,10;27000,10;27500,11;28000,11;29500,12;30000,12;30500,13;31000,13;31500,14;32000,14;32500,15;33000,15;33500,16;34000,16;45000,16;60000,0'

Acknowledgement

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Thanks to the specific help

The tokamak GOLEM controll SW @