Tokamak GOLEM - Shot Database - #48420

Time stamp25-04-04 11:09:16The session missionTrainingCourses/Universities/CTU.cz/PRPL/Sedmidubsky-2025-DblProbeBPPLP-calibrationNew dbl BPP-LP calibrationThe session ID 48420 The discharge commentVacuum test Ti scanDischarge command/Dirigent.sh --discharge --operation.discharge "style='standard'" --infrastructure.bt_ecd "U_Bt=800,t_Bt=0,O_Bt='CW',U_cd=350,t_cd=2000,O_cd='CW'" --infrastructure.preionization "S ...

     Technological parameters

• Working Gas: \(p\sub{chamber}\sup{discharge,before}\)=0.66 mPa; \(p\sub{chamber}\sup{discharge,pre}\)=0.65 mPa (\(p\sub{WG}\sup{request}\)= 0 mPa@\(X\sub{WG}\sup{request}\)=He )
• Toroidal magnetic field: \(U\sub{B\sub{t}}\sup{request}\)=800 V@\(t\sub{B\sub{t}}\sup{request}\)=0.0 us
• Current drive field: \(U\sub{E\sub{cd}}\sup{request}\)=350 V@\(t\sub{cd}\sup{request}\)=2000.0 us

    ☒No Plasma:

Basic Diagnostics    

On stage diagnostics

Basic diagnostics Data flow:  Documentation:

Langmuir & Ball-pen probe 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

Off stage diagnostics

Magnetohydrodynamic 16 mirnov coils ring Data flow:  Documentation:

Mirnov coils @ Limiter Data flow:  Documentation:

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

Double rake probe Data flow:  Documentation:

Parameters:r_first_tip=100,X_mod='111111111111',I_SilverBox=0

Timepix detector Data flow:  Documentation:

Fast spectrometry Data flow:  Documentation:

Infrastructure

Chamber

Bt and Ecd ,

Parameters :U_Bt=800,t_Bt=0,O_Bt='CW',U_cd=350,t_cd=2000,O_cd='CW'

Working gas

Parameters :S_mode='p_wg',S_gas='He',p_H=0,U_v=0

Position stabilization :

Parameters :main_switch='on',radial_switch='on',radial_waveform='1000,0;2000,-5;5000,0;6000,-20;30000,0',vertical_switch='on',vertical_waveform='1000,0;2000,-5;7000,-10;8000,-20;30000,0'

Current stabilization HEY

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 @