Determination of the Electron Energy Distribution Function in the ISTTOK Tokamak (VEIT2013)

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F13%3A00399096" target="_blank" >RIV/61389021:_____/13:00399096 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Determination of the Electron Energy Distribution Function in the ISTTOK Tokamak (VEIT2013)

Popis výsledku v původním jazyce

Předneseno na:International Summer School on Vacuum, Electron and Ion Technologies,Sozopol,07.-11.10.2013 The first derivative probe technique was applied to study the ISTTOK tokamak edge plasma.This technique employs the electron part of the Langmuir probe current-voltage (IV) characteristic and yields information on the plasma potential and the electron energy distribution function (EEDF).The IV characteristic was measured with new electrical probes mounted on a horizontal manipulator,one oriented inparallel and the other perpendicularly to the magnetic field lines.Using the first-derivative probe technique, the plasma potential and the EEDF at different radial positions were acquired.We show that,in the edge plasma, the EEDF is non-Maxwellian and can be approximated by a bi-Maxwellian one with a dominant cold electron population and a minority group of hot electrons.In the Scrape-Off-Layer,the EEDF obtained is Maxwellian. The comparison of the plasma parameters evaluated using

Název v anglickém jazyce

Determination of the Electron Energy Distribution Function in the ISTTOK Tokamak (VEIT2013)

Popis výsledku anglicky

Předneseno na:International Summer School on Vacuum, Electron and Ion Technologies,Sozopol,07.-11.10.2013 The first derivative probe technique was applied to study the ISTTOK tokamak edge plasma.This technique employs the electron part of the Langmuir probe current-voltage (IV) characteristic and yields information on the plasma potential and the electron energy distribution function (EEDF).The IV characteristic was measured with new electrical probes mounted on a horizontal manipulator,one oriented inparallel and the other perpendicularly to the magnetic field lines.Using the first-derivative probe technique, the plasma potential and the EEDF at different radial positions were acquired.We show that,in the edge plasma, the EEDF is non-Maxwellian and can be approximated by a bi-Maxwellian one with a dominant cold electron population and a minority group of hot electrons.In the Scrape-Off-Layer,the EEDF obtained is Maxwellian. The comparison of the plasma parameters evaluated using

Druh

O - Ostatní výsledky

CEP obor

BL - Fyzika plasmatu a výboje v plynech

OECD FORD obor

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Projekt

<a href="/cs/project/LM2011021" target="_blank" >LM2011021: COMPASS-RI - příspěvek na provoz a základní personální zajištění tokamaku COMPASS - velké výzkumné infrastruktury celoevropského významu</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2013

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů