Tokamak GOLEM - Shot Database - 11930

Date: 2013-04-26 - 17:57:52 Session:Experiments/BreakdownStudies/TopVersusBottomPreionizationGun [new] Comment: Bottom electron gun Wiki links: Experiments/BreakDownStudies/sessions/260413TopBottomElGun/figures/breakdown_rate/script, Experiments/BreakDownStudies/sessions/260413TopBottomElGun/figures/breakdown_voltage/script

Basic parameters: (compare) Gas pressure pch:1.33->27.35 mPa (request: 14 mPa) WIKI Working gas: N/A Preionization: ON Chamber temperature: N/A C CBt capacitors changed to: 600 V, triggered 5.0 ms WIKI CBD capacitors changed to: 0 V, triggered 11.0 ms WIKI CCD capacitors changed to: 400 V, triggered 7.0 ms WIKI CST capacitors changed to: 0 V, triggered 5.0 ms WIKI Probability of breakdown: 66% WIKI Time since session beginning: 0:11:52 h

Plasma parameters: Plasma life time 6.5 [ms] (from 9.2 to 15.7) Mean toroidal magnetic field Bt: 0.15 T WIKI Mean plasma current: 1.01 kA WIKI Mean Uloop: 7.86 V WIKI Break down voltage: 9.3 V WIKI Ohmic heating power: 7.95 kW Q edge: 6.6 WIKI Electron temperature: 14.6 eV WIKI Line electron density: 0.16 [10^17.m^-2] WIKI

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• basicdiagn processing evolution: raw→ integrated→ final
• Basic diagnostics: loop_voltage, plasma_current, toroidal_field, photodiode, hxr, other diagnostics

Data Acquisition Systems (DAS):

TektronixDPO

NIstandard

Diagnostics:

PlasmaPosition

Interferometer

Spectrometer

Analysis:

AdvancedAnalysis	HistoricalAnalysis	ShotHomepage	Spectrograms	MultiCWT
Impurities

Acknowledgement:

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Thanks to the specific help and