Tokamak GOLEM - Shot Database - #46703

[Shot logbook]

Time stamp
	24-11-19 11:26:05
The session mission	Diagnostics/Magnetic/MHDring-TM/Dlouhy-2024-BachProjFull steam
The session ID	46691
The discharge comment	weird Ip drop, caused by stabilization?
Discharge command	/Dirigent.sh --discharge --operation.discharge "style='standard',vacuum_shot='-1'" --infrastructure.bt_ecd "U_Bt=650,t_Bt=500,O_Bt='CW',U_cd=700,t_cd=2000,O_cd='CW'" --infrastructu ...

Technological parameters

Working Gas: $p\sub{chamber}\sup{discharge,before}$ =0,84 mPa; $p\sub{chamber}\sup{discharge,pre}$ =14,70 mPa ( $p\sub{WG}\sup{request}$ = 10 mPa@ $X\sub{WG}\sup{request}$ =H )
Toroidal magnetic field: $U\sub{B\sub{t}}\sup{request}$ =650 V@ $t\sub{B\sub{t}}\sup{request}$ =500,0 us
Current drive field: $U\sub{E\sub{cd}}\sup{request}$ =700 V@ $t\sub{cd}\sup{request}$ =2000,0 us

Plasma:

Plasma: yes or no: ☑
Time parameters: $\Delta t\sub{p}$ =8,82 ms (from: $t\sub{start}$ =2,94 ms,to: $t\sub{end}$ =11,76 ms)

Plasma parameters:

Loop voltage: $\overline{U\sub{loop}}$ =11,95 ; =45,60 ; =0,00
Toroidal magnetic field: $\overline{B\sub{t}}$ =0,17 T; $\max_{\tau \in [discharge]}B\sub{t}$ =0,26 T
Plasma current: $\overline{I\sub{p}}$ =4,07 kA; $\max_{\tau \in [discharge]}I\sub{p}$ =6,23 kA; $t\sub{Ip}\sup{max}$ =0,00 ms

Basic Diagnostics

On stage diagnostics

Basic diagnostics Data flow: Documentation:

Magnetohydrodynamic 16 mirnov coils ring 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=650,t_Bt=500,O_Bt='CW',U_cd=700,t_cd=2000,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='H',p_H=10,U_v=16.5

Position stabilization :

Parameters

:main_switch='off',radial_switch='on',radial_waveform='1000,0;7000,-5;8000,-10;9000,-15;10000,-20;30000,0',vertical_switch='on',vertical_waveform='1000,0;6000,-4;6500,-8;10000,-10;30000,0'