Tokamak GOLEM - Shot Database - #46090

24-08-29 10:23:37 The session missionTrainingCourses/PlasmaSchools/SUMTRAIC.cz/24/HeTransportBarSpontaneous transport barrier in the He plasma The session ID 46090 The discharge commentHe no barrier r=42 test dischargeDischarge command/Dirigent.sh --discharge --operation.discharge "style='standard',vacuum_shot='44738'" --infrastructure.bt_ecd "U_Bt=1100,t_Bt=0,O_Bt='CW',U_cd=350,t_cd=0,O_cd='CW'" --infrastructur ...

     Technological parameters

• Working Gas: \(p\sub{chamber}\sup{discharge,before}\)=0.69 mPa; \(p\sub{chamber}\sup{discharge,pre}\)=23.20 mPa (\(p\sub{WG}\sup{request}\)= 15 mPa@\(X\sub{WG}\sup{request}\)=He )
• 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: \(U\sub{E\sub{cd}}\sup{request}\)=350 V@\(t\sub{cd}\sup{request}\)=0.0 us

    Plasma:

• Plasma: yes or no: ☑
• Time parameters:\(\Delta t\sub{p}\)=10.20 ms (from:\(t\sub{start}\)=4.73 ms,to:\(t\sub{end}\)=14.93 ms)

    Plasma parameters:

• Loop voltage:\(\overline{U\sub{loop}}\)\(\)=8.87 ; \(\)=10.73 ; \(\)=0.00
• Toroidal magnetic field: \(\overline{B\sub{t}}\)=0.37 T; \(\max_{\tau \in [discharge]}B\sub{t}\)=0.49 T
• Plasma current: \(\overline{I\sub{p}}\)=0.73 kA; \(\max_{\tau \in [discharge]}I\sub{p}\)=0.89 kA; \(t\sub{Ip}\sup{max}\)=0.00 ms

Basic Diagnostics    

On stage diagnostics

Basic diagnostics Data flow:  Documentation:

Langmuir & Ball-pen probe Data flow:  Documentation:

Parameters:r_lp_tip='42',S_mode_lp='isat',R_lp_div_osc='10e3',R_lp_div_nosc='1e6',R_bpp_div_osc='10e3',R_bpp_di

Mirnov coils @ Limiter 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

Slow optical spectrometry Data flow:  Documentation:

Off stage diagnostics

Interferometry Data flow:  Documentation:

Double rake probe Data flow:  Documentation:

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

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:

Fast spectrometry Data flow:  Documentation:

Analysis

Name	Analysis results

Infrastructure

Chamber

Bt and Ecd ,

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

Preionization

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

Working gas

Parameters :S_mode='U_v',S_gas='He',p_H=15,U_v=46.5

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'

Acknowledgement

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Thanks to the specific help

The tokamak GOLEM controll SW @