Modeling of divertor particle and heat loads during application of resonant magnetic perturbation fields for ELM control in ITER

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F13%3A00395783" target="_blank" >RIV/61389021:_____/13:00395783 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1016/j.jnucmat.2013.01.025" target="_blank" >http://dx.doi.org/10.1016/j.jnucmat.2013.01.025</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.jnucmat.2013.01.025" target="_blank" >10.1016/j.jnucmat.2013.01.025</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Modeling of divertor particle and heat loads during application of resonant magnetic perturbation fields for ELM control in ITER

Popis výsledku v původním jazyce

First results from three-dimensional modeling of the divertor heat and particle flux pattern during application of resonant magnetic perturbation fields as ELM control scheme in ITER with the EMC3-Eirene fluid plasma and kinetic neutral transport code are discussed. The formation of a helical magnetic footprint breaks the toroidal symmetry of the heat and particle fluxes. Expansion of the flux pattern as far as 60 cm away from the unperturbed strike line is seen with vacuum RMP fields, resulting in a preferable heat flux spreading.Inclusion of plasma response reduces the radial extension of the heat and particle fluxes and results in a heat flux peaking closer to the unperturbed level.A strong reduction of the particle confinement is found.3D flow channels are identified as a consistent reason due to direct parallel outflow from inside of the separatrix. Their radial inward expansion and hence the level of particle pump out is shown to be dependent on the perturbation level.

Název v anglickém jazyce

Modeling of divertor particle and heat loads during application of resonant magnetic perturbation fields for ELM control in ITER

Popis výsledku anglicky

First results from three-dimensional modeling of the divertor heat and particle flux pattern during application of resonant magnetic perturbation fields as ELM control scheme in ITER with the EMC3-Eirene fluid plasma and kinetic neutral transport code are discussed. The formation of a helical magnetic footprint breaks the toroidal symmetry of the heat and particle fluxes. Expansion of the flux pattern as far as 60 cm away from the unperturbed strike line is seen with vacuum RMP fields, resulting in a preferable heat flux spreading.Inclusion of plasma response reduces the radial extension of the heat and particle fluxes and results in a heat flux peaking closer to the unperturbed level.A strong reduction of the particle confinement is found.3D flow channels are identified as a consistent reason due to direct parallel outflow from inside of the separatrix. Their radial inward expansion and hence the level of particle pump out is shown to be dependent on the perturbation level.

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

<a href="/cs/project/GAP205%2F11%2F2341" target="_blank" >GAP205/11/2341: Kontrola okrajových nestabilit plazmatu v tokamacích pomocí vnějších magnetických poruch</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

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

5

Strana od-do

"S194"-"S198"

Kód UT WoS článku

000330795300032

EID výsledku v databázi Scopus

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