Tokamak GOLEM - Shot Database - #43644

The date of discharge execution24-01-15 12:50:15 The session missionTrainingCourses/Universities/CTU.cz/PRPL.en/23-24/PlasmaRegimeOptimization --> Plasma regime optimization via preionization and stabilization The session ID43611 The discharge commentPlasma position stabilizationDischarge command/Dirigent.sh --discharge --operation.discharge "style='standard',vacuum_shot='-1'" --infrastructure.bt_ecd "U_Bt=1000,t_Bt=0,O_Bt='CW',U_cd=500,t_cd=1000,O_cd='CW'" --infrastructur ...

     Technological parameters

• Working Gas: \(p\sub{chamber}\sup{discharge,before}\)=0.57 mPa; \(p\sub{chamber}\sup{discharge,pre}\)=16.70 mPa (\(p\sub{WG}\sup{request}\)= 15 mPa@\(X\sub{WG}\sup{request}\)=H )
• Toroidal magnetic field: \(U\sub{B\sub{t}}\sup{request}\)=1000 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:\(\Delta t\sub{p}\)=11.46 ms (from:\(t\sub{start}\)=3.06 ms,to:\(t\sub{end}\)=14.52 ms)

    Plasma parameters:

• Loop voltage:\(\overline{U\sub{loop}}\)\(\)=10.57 V; \(\maximum{{\tau \in [discharge]}U\sub{loop}}\)=17.79 V; \(U\sub{breakdown}\)=0.00 V
• Toroidal magnetic field: \(\overline{B\sub{t}}\)=0.31 T; \(\max_{\tau \in [discharge]}B\sub{t}\)=0.45 T
• Plasma current: \(\overline{I\sub{p}}\)=2.39 kA; \(\max_{\tau \in [discharge]}I\sub{p}\)=2.99 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
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Off stage diagnostics

#

Data flow	measurement →		digitization →		analysis →
Name	Experiment setup		Data acquistition system		Raw data		Analysis results
						☛
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LimiterMirnovCoils:vacuum_shot=-1
LangBallPenProbe: r_lp_tip='80'
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ScintillationProbes:U_NIM_A1=600,U_NIM_A2=600,U_NIM_A3=600,U_NIM_A4=600
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Analysis

Name	Analysis results
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Infrastructure

Chamber status (Working gas request:S_mode='U_v',S_gas='H',p_H=15,U_v=22)
Bt, Ecd:U_Bt=1000,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;5000,-30;10000,0;15000,-30;20000,0;25000,-30;30000,0',vertical_switch='on',vertical_waveform='1000,0;5000,-30;10000,0;15000,-30;20000,0;25000,-30;30000,0'
							☛

Acknowledgement

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Thanks to the specific help

The tokamak GOLEM controll SW @