Tokamak GOLEM - Shot Database - #43689

The date of discharge execution24-01-18 17:39:17 The session missionDiagnostics/ElectrostaticProbes/LangBallPenProbe/PetrMacha_etal-SciProj-2023_IILang & Ball pen probe The session ID 43689 The discharge commentprobes Isat testDischarge 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=500,t_cd=1000,O_cd='CW'" --infrastructure ...

     Technological parameters

• Working Gas: \(p\sub{chamber}\sup{discharge,before}\)=0.60 mPa; \(p\sub{chamber}\sup{discharge,pre}\)=14.30 mPa (\(p\sub{WG}\sup{request}\)= 15 mPa@\(X\sub{WG}\sup{request}\)=H )
• Toroidal magnetic field: \(U\sub{B\sub{t}}\sup{request}\)=800 V@\(t\sub{B\sub{t}}\sup{request}\)=0.0 us
• Current drive field: \(U\sub{E\sub{cd}}\sup{request}\)=500 V@\(t\sub{cd}\sup{request}\)=1000.0 us

    Plasma:

• Plasma: yes or no: ☑
• Time parameters:\(\Delta t\sub{p}\)=11.43 ms (from:\(t\sub{start}\)=3.60 ms,to:\(t\sub{end}\)=15.04 ms)

    Plasma parameters:

• Loop voltage:\(\overline{U\sub{loop}}\)\(\)=10.34 V; \(\maximum{{\tau \in [discharge]}U\sub{loop}}\)=14.97 V; \(U\sub{breakdown}\)=0.00 V
• Toroidal magnetic field: \(\overline{B\sub{t}}\)=0.27 T; \(\max_{\tau \in [discharge]}B\sub{t}\)=0.38 T
• Plasma current: \(\overline{I\sub{p}}\)=2.22 kA; \(\max_{\tau \in [discharge]}I\sub{p}\)=3.21 kA; \(t\sub{Ip}\sup{max}\)=0.00 ms

Basic Diagnostics    

On stage diagnostics

Data flow	measurement →		digitization →		analysis →
Name	Experiment setup		Data acquistition system		Raw data		Analysis results
						☛
LangBallPenProbe:r_lp_tip='78',S_mode_lp=isat,R_lp_div_osc='10e3',R_lp_div_nosc='1e6',R_bpp_div_osc='10e3',R_bpp_div_nosc='1e6',U_lp='-45',R_lp_isat='47'

Off stage diagnostics

#

Data flow	measurement →		digitization →		analysis →
Name	Experiment setup		Data acquistition system		Raw data		Analysis results
						☛
LimiterMirnovCoils:vacuum_shot=-1

Analysis

Name	Analysis results
		☛

Infrastructure

Chamber status (Working gas request:S_mode='U_v',S_gas='H',p_H=15,U_v=22)
Bt, Ecd:U_Bt=800,t_Bt=0,O_Bt='CW',U_cd=500,t_cd=1000,O_cd='CW'
Position stabilization: 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 @