Tokamak GOLEM - Shot Database - #39486

The date of discharge execution22-06-21 10:06:45 The session mission22_MP --> Dirigent service The session ID39486 The discharge commentOperational testDischarge command./Dirigent.sh --discharge --UBt 800 --TBt 0 --Ucd 500 --Tcd 350 --preionization 1 --gas H --pressure 20 --diagnostics.limitermirnovcoils "vacuum_shot=39109" --discharge.preionization "main_switch='on',powsup_heater=80,powsup_accel=100" --discharge.position_stabilization "main_switch='on',radial_switch='on',vertical_waveform='3000,0;11000,-5;22000,0;30000,0',vertical_switch='on',radial_waveform='2000,0;3000,0;9000,0;12000,-5;24000,0;25000,0'" --ScanDefinition "" --comment "Operational test"

     Technological parameters

• Working Gas: \(p\sub{chamber}\sup{discharge,before}\)=1,58 mPa; \(p\sub{chamber}\sup{discharge,pre}\)=16,70 mPa (\(p\sub{WG}\sup{request}\)= 20 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@\(t\sub{cd}\sup{request}\)=350,0 us

    Plasma:

• Plasma: yes or no: ☑
• Time parameters:\(\Delta t\sub{p}\)=9,38 ms (from:\(t\sub{start}\)=2,67 ms,to:\(t\sub{end}\)=12,05 ms)

    Plasma parameters:

• Loop voltage:\(\overline{U\sub{loop}}\)\(\)=8,48 V; \(\maximum{{\tau \in [discharge]}U\sub{loop}}\)=15,67 V; \(U\sub{breakdown}\)=11,73 V
• Toroidal magnetic field: \(\overline{B\sub{t}}\)=0,22 T; \(\max_{\tau \in [discharge]}B\sub{t}\)=0,32 T
• Plasma current: \(\overline{I\sub{p}}\)=2,85 kA; \(\max_{\tau \in [discharge]}I\sub{p}\)=3,35 kA; \(t\sub{Ip}\sup{max}\)=9,82 ms

Basic Diagnostics    

On stage diagnostics

/RigolMSO5104-a

Data flow	measurement →		digitization →		analysis →
Name	Experiment setup		Data acquistition system		Raw data		Analysis results
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Other diagnostics

Data flow	measurement →		digitization →		analysis →
Name	Experiment setup		Data acquistition system		Raw data		Analysis results
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Analysis

Name	Analysis results

Infrastructure

main_switch='on',radial_switch='on',vertical_waveform='3000,0;11000,-5;22000,0;30000,0',vertical_switch='on',radial_waveform='2000,0;3000,0;9000,0;12000,-5;24000,0;25000,0'

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Acknowledgement

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Thanks to the specific help

The tokamak GOLEM controll SW @