Tokamak GOLEM - Shot Database - #39124

The date of discharge execution22-05-12 19:04:26 The session missionCommissioning --> Plasma position stabilization The session ID39103 The discharge commentPlasma, VertStab i RadStab, opakovani 39123Discharge commandcopy./Dirigent.sh --discharge --UBt 1200 --TBt 0 --Ucd 450 --Tcd 350 --preionization 1 --gas H --pressure 10 --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,-20;18000,0;30000,0',vertical_switch='on',radial_waveform='2000,0;3000,0;9000,0;12000,-20;24000,0;25000,0'" --ScanDefinition "39121" --comment "Plasma, VertStab i RadStab, opakovani 39123"

Technological parameters Working Gas: \(p\sub{chamber}\sup{discharge,before}\)=1,15 mPa; \(p\sub{chamber}\sup{discharge,pre}\)=11,60 mPa (\(p\sub{WG}\sup{request}\)= 10 mPa@\(X\sub{WG}\sup{request}\)=H ) Toroidal magnetic field: \(U\sub{B\sub{t}}\sup{request}\)=1200 V@\(t\sub{B\sub{t}}\sup{request}\)=0,0 us Current drive field: \(U\sub{E\sub{cd}}\sup{request}\)=450 V@\(t\sub{cd}\sup{request}\)=350,0 us

Plasma: Plasma: yes or no: ☑ Time parameters:\(\Delta t\sub{p}\)=20,33 ms (from:\(t\sub{start}\)=1,72 ms,to:\(t\sub{end}\)=22,06 ms)     Plasma parameters: Loop voltage:\(\overline{U\sub{loop}}\)\(\)=6,21 V; \(\maximum{{\tau \in [discharge]}U\sub{loop}}\)=8,60 V; \(U\sub{breakdown}\)=9,15 V Toroidal magnetic field: \(\overline{B\sub{t}}\)=0,45 T; \(\max_{\tau \in [discharge]}B\sub{t}\)=0,63 T Plasma current: \(\overline{I\sub{p}}\)=4,09 kA; \(\max_{\tau \in [discharge]}I\sub{p}\)=4,79 kA; \(t\sub{Ip}\sup{max}\)=13,21 ms

Basic Diagnostics    

On stage diagnostics

Data flow	measurement →		digitization →		analysis →
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Other diagnostics

Data flow	measurement →		digitization →		analysis →
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Analysis

Name	Analysis results

Infrastructure

main_switch='on',radial_switch='on',vertical_waveform='3000,0;11000,-20;18000,0;30000,0',vertical_switch='on',radial_waveform='2000,0;3000,0;9000,0;12000,-20;24000,0;25000,0'

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Scan issues

for 39121 + 39124

#39121     ./Dirigent.sh --discharge --UBt 1200 --TBt 0 --Ucd 450 --Tcd 350 --preionization 1 --gas H --pressure 10 --diagnostics.limitermirnovcoils "vacuum_shot=39109" --discharge.preionization "main_switch='on',powsup_heater=80,powsup_accel=100" --discharge.position_stabilization "main_switch='off',radial_switch='on',vertical_waveform='3000,0;11000,-20;18000,0;30000,0',vertical_switch='on',radial_waveform='2000,0;3000,0;9000,0;12000,-20;24000,0;25000,0'" --ScanDefinition "39110 39120" --comment "Plasma, reference"
#39124     ./Dirigent.sh --discharge --UBt 1200 --TBt 0 --Ucd 450 --Tcd 350 --preionization 1 --gas H --pressure 10 --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,-20;18000,0;30000,0',vertical_switch='on',radial_waveform='2000,0;3000,0;9000,0;12000,-20;24000,0;25000,0'" --ScanDefinition "39121" --comment "Plasma, VertStab i RadStab, opakovani 39123"

Acknowledgement

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Thanks to the specific help

The tokamak GOLEM controll SW @