Tokamak GOLEM - Shot Database - #39175

The date of discharge execution22-05-18 15:56:39 The session missionGOLEM_II --> EDU (MHD + biasing) The session ID39153 The discharge commentwith bias70mm -100v 8ms rake 60mm tunnel probe 65mmDischarge commandcopy./Dirigent.sh --discharge --UBt 1150 --TBt 0 --Ucd 700 --Tcd 1900 --preionization 1 --gas H --pressure 10 --diagnostics.limitermirnovcoils "vacuum_shot=39159" --discharge.preionization "main_switch='on',powsup_heater=80,powsup_accel=100" --discharge.position_stabilization "main_switch='on',radial_switch='on',vertical_waveform='3000,0;9000,-20;18000,0;20000,0;30000,0',vertical_switch='on',radial_waveform='2000,0;3000,0;8000,0;9000,-20;18000,0;25000,0'" --diagnostics_biasingelectrode 8000,0;8000,100;11000,100;14000,100 --ScanDefinition "39171" --comment "with bias70mm -100v 8ms rake 60mm tunnel probe 65mm"

Technological parameters Working Gas: \(p\sub{chamber}\sup{discharge,before}\)=1.15 mPa; \(p\sub{chamber}\sup{discharge,pre}\)=11.40 mPa (\(p\sub{WG}\sup{request}\)= 10 mPa@\(X\sub{WG}\sup{request}\)=H ) Toroidal magnetic field: \(U\sub{B\sub{t}}\sup{request}\)=1150 V@\(t\sub{B\sub{t}}\sup{request}\)=0.0 us Current drive field: \(U\sub{E\sub{cd}}\sup{request}\)=700 V@\(t\sub{cd}\sup{request}\)=1900.0 us

Plasma: Plasma: yes or no: ☑ Time parameters:\(\Delta t\sub{p}\)=12.46 ms (from:\(t\sub{start}\)=3.87 ms,to:\(t\sub{end}\)=16.33 ms)     Plasma parameters: Loop voltage:\(\overline{U\sub{loop}}\)\(\)=11.12 V; \(\maximum{{\tau \in [discharge]}U\sub{loop}}\)=13.37 V; \(U\sub{breakdown}\)=14.47 V Toroidal magnetic field: \(\overline{B\sub{t}}\)=0.39 T; \(\max_{\tau \in [discharge]}B\sub{t}\)=0.54 T Plasma current: \(\overline{I\sub{p}}\)=4.52 kA; \(\max_{\tau \in [discharge]}I\sub{p}\)=5.23 kA; \(t\sub{Ip}\sup{max}\)=12.87 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;9000,-20;18000,0;20000,0;30000,0',vertical_switch='on',radial_waveform='2000,0;3000,0;8000,0;9000,-20;18000,0;25000,0'

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Scan issues

for 39171 + 39175

#39171     ./Dirigent.sh --discharge --UBt 1150 --TBt 0 --Ucd 700 --Tcd 1900 --preionization 1 --gas H --pressure 10 --diagnostics.limitermirnovcoils "vacuum_shot=39159" --discharge.preionization "main_switch='on',powsup_heater=80,powsup_accel=100" --discharge.position_stabilization "main_switch='on',radial_switch='on',vertical_waveform='3000,0;9000,-20;18000,0;20000,0;30000,0',vertical_switch='on',radial_waveform='2000,0;3000,0;8000,0;9000,-20;18000,0;25000,0'" --diagnostics_biasingelectrode 5000,0;8000,0;11000,0;14000,0 --ScanDefinition "" --comment "without bias rake 65mm tunnel probe 70mm"

#39175     ./Dirigent.sh --discharge --UBt 1150 --TBt 0 --Ucd 700 --Tcd 1900 --preionization 1 --gas H --pressure 10 --diagnostics.limitermirnovcoils "vacuum_shot=39159" --discharge.preionization "main_switch='on',powsup_heater=80,powsup_accel=100" --discharge.position_stabilization "main_switch='on',radial_switch='on',vertical_waveform='3000,0;9000,-20;18000,0;20000,0;30000,0',vertical_switch='on',radial_waveform='2000,0;3000,0;8000,0;9000,-20;18000,0;25000,0'" --diagnostics_biasingelectrode 8000,0;8000,100;11000,100;14000,100 --ScanDefinition "39171" --comment "with bias70mm -100v 8ms rake 60mm tunnel probe 65mm"

Acknowledgement

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Thanks to the specific help

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