Tokamak GOLEM - Shot Database - #46371

24-09-24 12:41:28 The session missionTrainingCourses/Universities/CTU.cz/PRPL.en/23-24/PlasmaRegimeOptimizationPlasma regime optimization via preionization and plasma position stabilization The session ID 46341 The discharge commentPreionization testsDischarge command/Dirigent.sh --discharge --operation.discharge "style='standard',vacuum_shot='45832'" --infrastructure.bt_ecd "U_Bt=1100,t_Bt=0,U_cd=500,t_cd=350,O_Bt='CW',O_cd='CW'" --infrastruct ...

     Technological parameters

• Working Gas: \(p\sub{chamber}\sup{discharge,before}\)=0,78 mPa; \(p\sub{chamber}\sup{discharge,pre}\)=13,90 mPa (\(p\sub{WG}\sup{request}\)= 10 mPa@\(X\sub{WG}\sup{request}\)=H )
• Toroidal magnetic field: \(U\sub{B\sub{t}}\sup{request}\)=1100 V@\(t\sub{B\sub{t}}\sup{request}\)=0,0 us
• Current drive field: \(U\sub{E\sub{cd}}\sup{request}\)=500 V@\(t\sub{cd}\sup{request}\)=350,0 us

    Plasma:

• Plasma: yes or no: ☑
• Time parameters:\(\Delta t\sub{p}\)=20,80 ms (from:\(t\sub{start}\)=1,98 ms,to:\(t\sub{end}\)=22,78 ms)

    Plasma parameters:

• Loop voltage:\(\overline{U\sub{loop}}\)\(\)=6,29 ; \(\)=30,71 ; \(\)=0,00
• Toroidal magnetic field: \(\overline{B\sub{t}}\)=0,44 T; \(\max_{\tau \in [discharge]}B\sub{t}\)=0,60 T
• Plasma current: \(\overline{I\sub{p}}\)=7,06 kA; \(\max_{\tau \in [discharge]}I\sub{p}\)=9,49 kA; \(t\sub{Ip}\sup{max}\)=0,00 ms

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

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='90',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

Name	Analysis results

Infrastructure

Chamber

Bt and Ecd ,

Parameters :U_Bt=1100,t_Bt=0,U_cd=500,t_cd=350,O_Bt='CW',O_cd='CW'

Preionization

Parameters :S_device='HotCathode',SW_main='on',U_heater=120,U_accel=95

Working gas

Parameters :S_mode='U_v',S_gas='H',p_H=10,U_v=18

Position stabilization :

Parameters :main_switch='on',radial_switch='on',radial_waveform='1000,0;10000,-20;20000,-20;40000,0',vertical_switch='on',vertical_waveform='1000,0;11000,-20;19000,-20;40000,0'

Acknowledgement

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Thanks to the specific help

The tokamak GOLEM controll SW @