\(\def\sub#1{_\mathrm{#1}}\def\sup#1{^\mathrm{#1}}\def\maximum#1{max_#1}\) Golem #44636

Tokamak GOLEM - Shot Database - #44636

The date of discharge execution24-04-25 13:48:45 [Shot logbook]
The session missionTrainingCourses/Universities/CTU.cz/PRPL.en/23-24/PlasmaRegimeOptimizationPlasma regime optimization via preionization and plasma position stabilization
The session ID 44617
The discharge commentPreionization
Discharge command/Dirigent.sh --discharge --operation.discharge "style='standard',vacuum_shot='-1'" --infrastructure.bt_ecd "U_Bt=800,t_Bt=0,O_Bt='CW',U_cd=350,t_cd=1000,O_cd='CW'" --infrastructure ...

     Technological parameters

    Plasma:

    Plasma parameters:

Basic Diagnostics    

On stage diagnostics

Basic diagnostics Data flow:  Documentation:

         

Off stage diagnostics

Interferometry Data flow:  Documentation:

         

Fast cameras Data flow:  Documentation:

Parameters:fr_ux100a=1200,height_ux100a=56,recrate_ux100a=40000,shotdur_ux100a=30,width_ux100a=1280,fr_ux100b=1
         

Motion detection 

 
  N/A     South

North

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
         

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
         

Timepix detector Data flow:  Documentation:

         

Mirnov coils @ Limiter Data flow:  Documentation:

         

Fast spectrometry Data flow:  Documentation:

         

Analysis

NameAnalysis results


Infrastructure

Chamber

Bt and Ecd ,

Parameters :U_Bt=800,t_Bt=0,O_Bt='CW',U_cd=350,t_cd=1000,O_cd='CW'

Preionization

Parameters :S_device='HotCathode',SW_main='on',U_heater=0,U_accel=100

Working gas

Parameters :S_mode='U_v',S_gas='H',p_H=15,U_v=21

Position stabilization :

Parameters :main_switch='on',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


Thanks to the specific help

The tokamak GOLEM controll SW @

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