Scrape-off layer properties of ITER-like limiter start-up plasmas in JET

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F13%3A00394783" target="_blank" >RIV/61389021:_____/13:00394783 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1088/0029-5515/53/7/073016" target="_blank" >http://dx.doi.org/10.1088/0029-5515/53/7/073016</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1088/0029-5515/53/7/073016" target="_blank" >10.1088/0029-5515/53/7/073016</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Scrape-off layer properties of ITER-like limiter start-up plasmas in JET

Popis výsledku v původním jazyce

Recent experiments at JET combining reciprocating probe measurements upstream and infrared thermography at the plasma-facing components (PFC) on plasmas in limiter configurations show that the common approach to predicting the power load on the limiter underestimates the heat flux at the contact point by a factor 1.5?3.The current model and scaling laws used for predicting the power load onto the first wall during limiter current ramp-up/down in ITER are uncertain and a better understanding of the heattransport to the PFCs is required.The heat loads on PFCs are usually predicted by projecting the parallel heat flux associated with scrape-off layer (SOL) properties at the outer mid-plane (upstream) along the magnetic field lines to the limiter surfaceand deducing the surface heat flux through a cosine law,thus ignoring any local effect of the PFC on transport within the SOL. The underestimate of the heat flux is systematic in inner wall limiter configurations, independent

Název v anglickém jazyce

Scrape-off layer properties of ITER-like limiter start-up plasmas in JET

Popis výsledku anglicky

Recent experiments at JET combining reciprocating probe measurements upstream and infrared thermography at the plasma-facing components (PFC) on plasmas in limiter configurations show that the common approach to predicting the power load on the limiter underestimates the heat flux at the contact point by a factor 1.5?3.The current model and scaling laws used for predicting the power load onto the first wall during limiter current ramp-up/down in ITER are uncertain and a better understanding of the heattransport to the PFCs is required.The heat loads on PFCs are usually predicted by projecting the parallel heat flux associated with scrape-off layer (SOL) properties at the outer mid-plane (upstream) along the magnetic field lines to the limiter surfaceand deducing the surface heat flux through a cosine law,thus ignoring any local effect of the PFC on transport within the SOL. The underestimate of the heat flux is systematic in inner wall limiter configurations, independent

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

—

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

Nuclear Fusion

ISSN

0029-5515

e-ISSN

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Svazek periodika

53

Číslo periodika v rámci svazku

7

Stát vydavatele periodika

AT - Rakouská republika

Počet stran výsledku

12

Strana od-do

073016-073016

Kód UT WoS článku

000321780500020

EID výsledku v databázi Scopus

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