Tokamak GOLEM - Shot Database - #48916

Time stamp25-05-15 17:00:59The session missionExperiments/PlasmaRegimes/MinimumStabilizationFull steamThe session ID 48908 The discharge commentRadial stab with AETechron - no stabDischarge command/Dirigent.sh --discharge --operation.discharge "style='standard'" --infrastructure.bt_ecd "U_Bt=900,t_Bt=0,U_cd=350,t_cd=600,O_Bt='CW',O_cd='CW'" --infrastructure.workinggas "S_mod ...

     Technological parameters

• Working Gas: \(p\sub{chamber}\sup{discharge,before}\)=0.65 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: \(U\sub{E\sub{cd}}\sup{request}\)=350 V@\(t\sub{cd}\sup{request}\)=600.0 us

    Plasma:

• Plasma: yes or no: ☑
• Time parameters:\(\Delta t\sub{p}\)=16.87 ms (from:\(t\sub{start}\)=2.75 ms,to:\(t\sub{end}\)=19.61 ms)

    Plasma parameters:

• Loop voltage:\(\overline{U\sub{loop}}\)\(\)=6.63 ; \(\)=32.88 ; \(\)=0.00
• Toroidal magnetic field: \(\overline{B\sub{t}}\)=0.34 T; \(\max_{\tau \in [discharge]}B\sub{t}\)=0.50 T
• Plasma current: \(\overline{I\sub{p}}\)=3.02 kA; \(\max_{\tau \in [discharge]}I\sub{p}\)=4.46 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=10,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='off',radial_waveform='1000,0;5000,-1;7000,-5;8000,-8;9000,-12;11000,-16;13000,-20;16000,-8;18000,0;30000,0',vertical_switch='off',vertical_waveform='1000,0;5000,-1;10000,-1;13000,-2;16000,-1;30000,0'

Current stabilization

Parameters :main_switch='on',waveform='1000,0;4000,0;5000,0;8000,0;15000,-1;16000,-1;17000,-1;18000,-1;19000,1;48000,0'

Acknowledgement

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Thanks to the specific help

The tokamak GOLEM controll SW @