Tokamak GOLEM - Shot Database - #43815

The date of discharge execution24-02-22 13:04:08 The session missionExperiments/RunAways/BeWindow/ScintillationProbes-TimepixBe window test with scint probes and Timepix The session ID 43804 The discharge commentShot for Timepix in Be Window, lower pressure, 3.Discharge command/Dirigent.sh --discharge --operation.discharge "style='fullsteam'" --infrastructure.bt_ecd "U_Bt=800,t_Bt=1000,U_cd=500,t_cd=1000,O_Bt='CW',O_cd='CW'" --infrastructure.preionizatio ...

     Technological parameters

• Working Gas: \(p\sub{chamber}\sup{discharge,before}\)=0,61 mPa; \(p\sub{chamber}\sup{discharge,pre}\)=16,60 mPa (\(p\sub{WG}\sup{request}\)= 15 mPa@\(X\sub{WG}\sup{request}\)=H )
• Toroidal magnetic field: \(U\sub{B\sub{t}}\sup{request}\)=800 V@\(t\sub{B\sub{t}}\sup{request}\)=1000,0 us
• Current drive field: \(U\sub{E\sub{cd}}\sup{request}\)=500 V@\(t\sub{cd}\sup{request}\)=1000,0 us

    Plasma:

• Plasma: yes or no: ☑
• Time parameters:\(\Delta t\sub{p}\)=13,04 ms (from:\(t\sub{start}\)=2,90 ms,to:\(t\sub{end}\)=15,94 ms)

    Plasma parameters:

• Loop voltage:\(\overline{U\sub{loop}}\)\(\)=10,50 V; \(\maximum{{\tau \in [discharge]}U\sub{loop}}\)=13,70 V; \(U\sub{breakdown}\)=0,00 V
• Toroidal magnetic field: \(\overline{B\sub{t}}\)=0,25 T; \(\max_{\tau \in [discharge]}B\sub{t}\)=0,38 T
• Plasma current: \(\overline{I\sub{p}}\)=2,03 kA; \(\max_{\tau \in [discharge]}I\sub{p}\)=2,81 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
						☛
ScintillationProbes:U_NIM_A1=600,U_NIM_A2=600,U_NIM_A3=600,U_NIM_A4=600
						☛

Off stage diagnostics

Data flow	measurement →		digitization →		analysis →
Name	Experiment setup		Data acquistition system		Raw data		Analysis results
						☛
						☛
LimiterMirnovCoils:vacuum_shot='-1'
LangBallPenProbe: r_lp_tip='80'
StripDetector:acq_time=200,acq_delay=200,acq_mode='3'

Analysis

Name	Analysis results
		☛

Infrastructure

Chamber status (Working gas request:S_mode='U_v',S_gas='H',p_H=15,U_v=20.1)
Bt, Ecd:U_Bt=800,t_Bt=1000,U_cd=500,t_cd=1000,O_Bt='CW',O_cd='CW'
Position stabilization: main_switch='on',radial_switch='on',radial_waveform='1000,0;4000,-5;5000,-15;8000,-20;30000,0',vertical_switch='on',vertical_waveform='1000,0;5000,-7;7000,-15;10000,-20;30000,0'
							☛

Acknowledgement

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Thanks to the specific help

The tokamak GOLEM controll SW @