Tokamak GOLEM - Shot Database - #48970

Time stamp25-05-20 16:09:08The session missionExperiments/PlasmaRegimes/MinimumStabilizationFull steamThe session ID 48969 The discharge commentMaster group_U_cd_350V_Bt_900Discharge command/Dirigent.sh --discharge --operation.discharge "style='remote',voice='on',analysis='on'" --infrastructure.bt_ecd "U_Bt=900,t_Bt=0,U_cd=350,t_cd=600,O_Bt='CW',O_cd='CW'" --infrastru ...

     Technological parameters

• Working Gas: \(p\sub{chamber}\sup{discharge,before}\)=0,73 mPa; \(p\sub{chamber}\sup{discharge,pre}\)=15,10 mPa (\(p\sub{WG}\sup{request}\)= 15 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@\(t\sub{cd}\sup{request}\)=600,0 us

    Plasma:

• Plasma: yes or no: ☑
• Time parameters:\(\Delta t\sub{p}\)=21,45 ms (from:\(t\sub{start}\)=2,78 ms,to:\(t\sub{end}\)=24,23 ms)

    Plasma parameters:

• Loop voltage:\(\overline{U\sub{loop}}\)\(\)=4,70 ; \(\)=38,02 ; \(\)=0,00
• Toroidal magnetic field: \(\overline{B\sub{t}}\)=0,40 T; \(\max_{\tau \in [discharge]}B\sub{t}\)=0,55 T
• Plasma current: \(\overline{I\sub{p}}\)=4,88 kA; \(\max_{\tau \in [discharge]}I\sub{p}\)=8,21 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=600,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=100,U_accel=100

Position stabilization :

Parameters :main_switch='off',radial_switch='on',radial_waveform='1000,0;2000,-5;5000,-10;9000,-20;30000,0',vertical_switch='on',vertical_waveform='1000,0;2000,-5;7000,-10;8000,-20;30000,0'

Current stabilization

Parameters :main_switch='off',waveform='1000,0;4000,-5;5000,-15;8000,-20;30000,0'

Acknowledgement

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Thanks to the specific help

The tokamak GOLEM controll SW @