Tokamak GOLEM - Shot Database - #50469

Time stamp25-11-13 15:13:07The session missionExperiments/RunAways/General/2025Full steamThe session ID 50469 The discharge commentRepeating 50467Discharge command/Dirigent.sh --discharge --operation.discharge "style='standard',vacuum_shot='-1'" --infrastructure.bt_ecd "U_Bt=750,t_Bt=0,O_Bt='CW',U_cd=400,t_cd=450.4,O_cd='CW'" --infrastructur ...

     Technological parameters

• Working Gas: \(p\sub{chamber}\sup{discharge,before}\)=0.13 mPa; \(p\sub{chamber}\sup{discharge,pre}\)=8.73 mPa (\(p\sub{WG}\sup{request}\)= 10 mPa@\(X\sub{WG}\sup{request}\)=H )
• Toroidal magnetic field: \(U\sub{B\sub{t}}\sup{request}\)=750 V@\(t\sub{B\sub{t}}\sup{request}\)=0.0 us
• Current drive field: \(U\sub{E\sub{cd}}\sup{request}\)=400 V@\(t\sub{cd}\sup{request}\)=450.0 us

    Plasma:

• Plasma: yes or no: ☑
• Time parameters:\(\Delta t\sub{p}\)=19.31 ms (from:\(t\sub{start}\)=0.45 ms,to:\(t\sub{end}\)=19.76 ms)

    Plasma parameters:

• Loop voltage:\(\overline{U\sub{loop}}\)\(\)=6.82 ; \(\)=40.33 ; \(\)=0.00
• Toroidal magnetic field: \(\overline{B\sub{t}}\)=0.27 T; \(\max_{\tau \in [discharge]}B\sub{t}\)=0.43 T
• Plasma current: \(\overline{I\sub{p}}\)=2.35 kA; \(\max_{\tau \in [discharge]}I\sub{p}\)=5.59 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

Timepix detector Data flow:  Documentation:

Fast spectrometry Data flow:  Documentation:

Magnetohydrodynamic 16 mirnov coils ring Data flow:  Documentation:

Analysis

Name	Analysis results

Infrastructure

Chamber

Bt and Ecd ,

Parameters :U_Bt=750,t_Bt=0,O_Bt='CW',U_cd=400,t_cd=450.4,O_cd='CW'

Working gas

Parameters :S_mode='p_wg',S_gas='H',U_v=10,p_H=10

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;6000,0;6500,-0.733292;6800,-1.46658;8000,-5.13304;9000,-10.9994;12000,-14.6658;35000,0',vertical_switch='on',vertical_waveform='1000,0;5000,0;7000,-1.48899;9000,-3.47432;15000,0;17000,1.48899;19000,3.47432;21000,4.46698;23000,4.46698;25000,3.47432;30000,0'

Current stabilization

Parameters :main_switch='on',waveform='1000,0;5000,0;7000,-2.70156;9000,-6.30364;15000,0;17000,2.70156;19000,6.30364;21000,8.10468;23000,8.10468;25000,6.30364;30000,0'

Acknowledgement

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Thanks to the specific help

The tokamak GOLEM controll SW @