Tokamak GOLEM - Shot Database - #40008

The date of discharge execution22-11-09 17:03:43 The session mission22_SP_AnKov --> MHD-modes identification The session ID39995 The discharge commentMHD Kovalev 8Discharge command./Dirigent.sh --discharge --UBt 1000 --TBt 0 --Ucd 700 --Tcd 1500 --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 "MHD Kovalev 8"

     Technological parameters

• Working Gas: \(p\sub{chamber}\sup{discharge,before}\)=0,92 mPa; \(p\sub{chamber}\sup{discharge,pre}\)=20,70 mPa (\(p\sub{WG}\sup{request}\)= 20 mPa@\(X\sub{WG}\sup{request}\)=H )
• Toroidal magnetic field: \(U\sub{B\sub{t}}\sup{request}\)=1000 V@\(t\sub{B\sub{t}}\sup{request}\)=0,0 us
• Current drive field: \(U\sub{E\sub{cd}}\sup{request}\)=700 V@\(t\sub{cd}\sup{request}\)=1500,0 us

    Plasma:

• Plasma: yes or no: ☑
• Time parameters:\(\Delta t\sub{p}\)=11,69 ms (from:\(t\sub{start}\)=3,24 ms,to:\(t\sub{end}\)=14,93 ms)

    Plasma parameters:

• Loop voltage:\(\overline{U\sub{loop}}\)\(\)=9,68 V; \(\maximum{{\tau \in [discharge]}U\sub{loop}}\)=23,02 V; \(U\sub{breakdown}\)=13,60 V
• Toroidal magnetic field: \(\overline{B\sub{t}}\)=0,31 T; \(\max_{\tau \in [discharge]}B\sub{t}\)=0,45 T
• Plasma current: \(\overline{I\sub{p}}\)=5,53 kA; \(\max_{\tau \in [discharge]}I\sub{p}\)=6,88 kA; \(t\sub{Ip}\sup{max}\)=12,85 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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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 @