Tokamak GOLEM - Shot Database - #40644

The date of discharge execution23-02-08 16:09:50 The session missionPapousekMT22 --> Systematic study of impact of swept edge plasma potential biasing on turbulence in tokamaks The session ID40644 The discharge commentSession introDischarge command./Dirigent.sh --discharge --UBt 800 --TBt 0 --Ucd 450 --Tcd 500 --preionization 1 --gas H --pressure 14 --diagnostics.limitermirnovcoils "vacuum_shot=40619" --discharge.preionization "main_switch='on',powsup_heater=80,powsup_accel=100" --infrastructure.position_stabilization "main_switch='on',radial_switch='on',vertical_waveform='1000,0;8000,-20;10000,-25;30000,0',vertical_switch='on',radial_waveform='2000,0;3000,0;7000,-20;9500,-25;20000,2;25000,0'" --ScanDefinition "" --comment "Session intro"

     Technological parameters

• Working Gas: \(p\sub{chamber}\sup{discharge,before}\)=4,15 mPa; \(p\sub{chamber}\sup{discharge,pre}\)=5,28 mPa (\(p\sub{WG}\sup{request}\)= 14 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: \(U\sub{E\sub{cd}}\sup{request}\)=450 V@\(t\sub{cd}\sup{request}\)=500,0 us

    Plasma:

• Plasma: yes or no: ☑
• Time parameters:\(\Delta t\sub{p}\)=18,87 ms (from:\(t\sub{start}\)=1,25 ms,to:\(t\sub{end}\)=20,12 ms)

    Plasma parameters:

• Loop voltage:\(\overline{U\sub{loop}}\)\(\)=8,36 V; \(\maximum{{\tau \in [discharge]}U\sub{loop}}\)=16,34 V; \(U\sub{breakdown}\)=0,00 V
• Toroidal magnetic field: \(\overline{B\sub{t}}\)=0,29 T; \(\max_{\tau \in [discharge]}B\sub{t}\)=0,43 T
• Plasma current: \(\overline{I\sub{p}}\)=-0,00 kA; \(\max_{\tau \in [discharge]}I\sub{p}\)=1,53 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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Analysis

Name	Analysis results

Infrastructure

main_switch='on',radial_switch='on',vertical_waveform='1000,0;8000,-20;10000,-25;30000,0',vertical_switch='on',radial_waveform='2000,0;3000,0;7000,-20;9500,-25;20000,2;25000,0'

☛

The tokamak GOLEM is now in the Standby mode.

Acknowledgement

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Thanks to the specific help

The tokamak GOLEM controll SW @