Impact of the ITER-like wall on divertor detachment and on the density limit in the JET tokamak

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F13%3A00394930" target="_blank" >RIV/61389021:_____/13:00394930 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1016/j.jnucmat.2013.01.022" target="_blank" >http://dx.doi.org/10.1016/j.jnucmat.2013.01.022</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.jnucmat.2013.01.022" target="_blank" >10.1016/j.jnucmat.2013.01.022</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Impact of the ITER-like wall on divertor detachment and on the density limit in the JET tokamak

Popis výsledku v původním jazyce

L-mode and H-mode density limits with the ITER-like wall (ILW) have been investigated and compared with experiments in the JET carbon material con?guration.The density limit is up to 40% higher in the JET-ILW.This is linked to the formerly higher radiation fraction and, correspondingly, to earlier divertor detachment in the JET-CFC.In the ILW con?guration, the discharge demonstrates a stable operation with a completely detached outer divertor in L- and H-mode. In contrary to the well-known heating powerindependent? Greenwald limit, the L-mode densities limit increases moderately with rising heating power independently of the wall material.The H?L transition constitutes an effective undisruptive density limit for an H-mode plasma. Detachment itself does not trigger the H?L back transition and does not present a limit on plasma density. In the range of neutral beam heating 8?10.5 MW, no dependence of the H-mode density limit on the heating power was observed.

Název v anglickém jazyce

Impact of the ITER-like wall on divertor detachment and on the density limit in the JET tokamak

Popis výsledku anglicky

L-mode and H-mode density limits with the ITER-like wall (ILW) have been investigated and compared with experiments in the JET carbon material con?guration.The density limit is up to 40% higher in the JET-ILW.This is linked to the formerly higher radiation fraction and, correspondingly, to earlier divertor detachment in the JET-CFC.In the ILW con?guration, the discharge demonstrates a stable operation with a completely detached outer divertor in L- and H-mode. In contrary to the well-known heating powerindependent? Greenwald limit, the L-mode densities limit increases moderately with rising heating power independently of the wall material.The H?L transition constitutes an effective undisruptive density limit for an H-mode plasma. Detachment itself does not trigger the H?L back transition and does not present a limit on plasma density. In the range of neutral beam heating 8?10.5 MW, no dependence of the H-mode density limit on the heating power was observed.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

BL - Fyzika plasmatu a výboje v plynech

OECD FORD obor

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Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

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

Název periodika

Journal of Nuclear Materials

ISSN

0022-3115

e-ISSN

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Svazek periodika

438

Číslo periodika v rámci svazku

suppl

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

9

Strana od-do

"S139"-"S147"

Kód UT WoS článku

000330795300022

EID výsledku v databázi Scopus

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