Tokamak GOLEM - Shot Database - #48348

Time stamp25-03-31 12:24:13The session missionExperiments/PlasmaEdge/PotentialTurbulencesUnderEdgePolarization/Nanobashvili-2025-SciProjFull steamThe session ID 48348 The discharge commentJust master test ... acc. #48347Discharge command/Dirigent.sh --discharge --operation.discharge "style='standard'" --infrastructure.bt_ecd "U_Bt=900,t_Bt=0,U_cd=400,t_cd=600,O_Bt='CW',O_cd='CW'" --infrastructure.workinggas "S_mod ...

     Technological parameters

• Working Gas: \(p\sub{chamber}\sup{discharge,before}\)=1.03 mPa; \(p\sub{chamber}\sup{discharge,pre}\)=9.77 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: \(U\sub{E\sub{cd}}\sup{request}\)=400 V@\(t\sub{cd}\sup{request}\)=600.0 us

    Plasma:

• Plasma: yes or no: ☑
• Time parameters:\(\Delta t\sub{p}\)=14.78 ms (from:\(t\sub{start}\)=2.45 ms,to:\(t\sub{end}\)=17.23 ms)

    Plasma parameters:

• Loop voltage:\(\overline{U\sub{loop}}\)\(\)=10.23 ; \(\)=13.44 ; \(\)=0.00
• Toroidal magnetic field: \(\overline{B\sub{t}}\)=0.31 T; \(\max_{\tau \in [discharge]}B\sub{t}\)=0.47 T
• Plasma current: \(\overline{I\sub{p}}\)=0.07 kA; \(\max_{\tau \in [discharge]}I\sub{p}\)=1.08 kA; \(t\sub{Ip}\sup{max}\)=0.00 ms

Basic Diagnostics    

On stage diagnostics

Basic diagnostics Data flow:  Documentation:

Double rake probe Data flow:  Documentation:

Parameters:r_first_tip=80,X_mod='000000x111111',I_SilverBox=0.16

Off stage diagnostics

Interferometry Data flow:  Documentation:

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:

Mirnov coils @ Limiter Data flow:  Documentation:

Fast spectrometry Data flow:  Documentation:

Magnetohydrodynamic 16 mirnov coils ring Data flow:  Documentation:

Langmuir & Ball-pen probe Data flow:  Documentation:

Parameters:r_lp_tip='90',S_mode_lp='float',R_lp_div_osc='10e3',R_lp_div_nosc='1e6',R_bpp_div_osc='10e3',R_bpp_d

Analysis

Name	Analysis results

Infrastructure

Chamber

Bt and Ecd ,

Parameters :U_Bt=900,t_Bt=0,U_cd=400,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

Position stabilization :

Parameters :main_switch='on',radial_switch='on',radial_waveform='1000,0;5000,-2;9000,-10;16000,-20;30000,0',vertical_switch='on',vertical_waveform='1000,0;5000,-2;10000,-10;13000,-20;16000,-10;30000,0'

Biasing electrode

Parameters :main_switch='on',waveform='1000,0;8000,20;12000,-20;16000,0;20000,0',position=80

Acknowledgement

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Thanks to the specific help

The tokamak GOLEM controll SW @