Tokamak GOLEM - Shot Database - #48787

Time stamp25-04-30 12:34:59The session missionExperiments/PlasmaRegimes/MinimumStabilizationAdHocFull steamThe session ID 48782 The discharge commentRepeat #48726 change vertical and radial stab modify vaweform and modify CST vaweform to lower max value on peak 17 volt and hold -8 volt to 15msDischarge command/Dirigent.sh --discharge --operation.discharge "style='standard'" --infrastructure.preionization "S_device='HotCathode',SW_main='on',U_heater=100,U_accel=100" --infrastructure.bt_e ...

     Technological parameters

• Working Gas: \(p\sub{chamber}\sup{discharge,before}\)=0.53 mPa; \(p\sub{chamber}\sup{discharge,pre}\)=9.95 mPa (\(p\sub{WG}\sup{request}\)= 10 mPa@\(X\sub{WG}\sup{request}\)=H )
• Toroidal magnetic field: \(U\sub{B\sub{t}}\sup{request}\)=900 V@\(t\sub{B\sub{t}}\sup{request}\)=0.0 us
• Current drive field: \(U\sub{E\sub{cd}}\sup{request}\)=350 V@\(t\sub{cd}\sup{request}\)=600.0 us

    ☒No Plasma:

Basic Diagnostics    

On stage diagnostics

Basic diagnostics Data flow:  Documentation:

Fast cameras Data flow:  Documentation:

Parameters:fr_ux100a=1200,height_ux100a=56,recrate_ux100a=40000,shotdur_ux100a=40,width_ux100a=1280,fr_ux100b=1

Off stage diagnostics

Mirnov coils @ Limiter Data flow:  Documentation:

Langmuir & Ball-pen probe Data flow:  Documentation:

Langmuir & Ball-pen probe Data flow:  Documentation:

Parameters:r_lp_tip=80,S_mode_lp='float',R_lp_div_osc='10e3',R_lp_div_nosc='1e6',U_lp=-1,R_lp_isat='-1',R_bpp_d

Infrastructure

Chamber

Bt and Ecd ,

Parameters :U_Bt=900,t_Bt=0,U_cd=350,t_cd=600,O_Bt='CW',O_cd='CW'

Working gas

Parameters :S_mode='p_wg',S_gas='H',p_H=10,U_v=22

Position stabilization :

Parameters :main_switch='on',radial_switch='on',radial_waveform='1000,0;5000,-2;7000,-10;9000,-15;13000,-20;30000,0',vertical_switch='on',vertical_waveform='1000,0;5000,-2;10000,-10;13000,-20;16000,-20;30000,0'

Current stabilization POKUS2

Parameters :main_switch='on',waveform='1000,0;2000,-8;5000,-8;8000,-8;15000,-8;16000,-6;17000,-4;18000,-2;19000,-1;20000,2;21000,4;22000,6;23000,8;24000,10;25000,12;26000,14;27000,16;28000,17;29000,16;30000,14;31000,12;32000,10;33000,8;34000,6;35000,4;36000,2;37000,-1;38000,-2;39000,-4;40000,-6;41000,-8;42000,-10;43000,-12;44000,-14;45000,-15;46000,-16;47000,-17;48000,0'

Acknowledgement

---

Thanks to the specific help

The tokamak GOLEM controll SW @