Tokamak GOLEM - Shot Database - #44686

The date of discharge execution24-04-29 17:54:36 The session missionExperiments/PlasmaEdge/SpontaneousTransportBarrierHePlasma/Macha-2024-ScPSpontaneous transport barrier in the He plasma The session ID 44685 The discharge commentModest dischargeDischarge command/Dirigent.sh --discharge --operation.discharge "style='modest'" --infrastructure.bt_ecd "U_Bt=220,t_Bt=0,O_Bt='CW',U_cd=220,t_cd=0,O_cd='CW'" --infrastructure.workinggas "S_mode='U ...

     Technological parameters

• Working Gas: \(p\sub{chamber}\sup{discharge,before}\)=1,54 mPa; \(p\sub{chamber}\sup{discharge,pre}\)=1,50 mPa (\(p\sub{WG}\sup{request}\)= 10 mPa@\(X\sub{WG}\sup{request}\)=H )
• Toroidal magnetic field: \(U\sub{B\sub{t}}\sup{request}\)=220 V@\(t\sub{B\sub{t}}\sup{request}\)=0,0 us
• Current drive field: \(U\sub{E\sub{cd}}\sup{request}\)=220 V@\(t\sub{cd}\sup{request}\)=0,0 us

    ☒No Plasma:

Basic Diagnostics    

On stage diagnostics

Basic diagnostics Data flow:  Documentation:

Langmuir & Ball-pen probe Data flow:  Documentation:

Parameters:r_lp_tip='80',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

Interferometry Data flow:  Documentation:

Magnetohydrodynamic 16 mirnov coils ring Data flow:  Documentation:

Double rake probe Data flow:  Documentation:

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

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

Strip detector Data flow:  Documentation:

Timepix detector Data flow:  Documentation:

Mirnov coils @ Limiter Data flow:  Documentation:

Fast spectrometry Data flow:  Documentation:

Infrastructure

Chamber

Bt and Ecd ,

Parameters :U_Bt=220,t_Bt=0,O_Bt='CW',U_cd=220,t_cd=0,O_cd='CW'

Preionization

Parameters :S_device='HotCathode',SW_main='on',U_heater=100,U_accel=70

Working gas

Parameters :S_mode='U_v',S_gas='H',p_H=10,U_v=20

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'

Acknowledgement

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Thanks to the specific help

The tokamak GOLEM controll SW @