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Impact of a narrow limiter SOL heat flux channel on the ITER first wall panel shaping

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F15%3A00443589" target="_blank" >RIV/61389021:_____/15:00443589 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1088/0029-5515/55/3/033019" target="_blank" >http://dx.doi.org/10.1088/0029-5515/55/3/033019</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1088/0029-5515/55/3/033019" target="_blank" >10.1088/0029-5515/55/3/033019</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Impact of a narrow limiter SOL heat flux channel on the ITER first wall panel shaping

  • Original language description

    The inboard limiters for ITER were initially designed on the assumption that the parallel heat flux density in the scrape-off layer (SOL) could be approximated by a single exponential with decay length ?q. This assumption was found not to be adequate in2012, when infra-red (IR) thermography measurements on the inner column during JET limiter discharges clearly revealed the presence of a narrow heat flux channel adjacent to the last closed flux surface. This near-SOL decay occurs with ?q few mm, much shorter than the main SOL ?q, and can raise the heat flux at the limiter apex a factor up to4 above the value expected from a single, broader exponential. The original logarithmically shaped ITER inner wall first wall panels (FWPs) would be unsuited to handling the power loads produced by such a narrow feature. A multi-machine study involving the C-Mod, COMPASS, DIII-D and TCV tokamaks, employing inner wall IR measurements and/or inner wall reciprocating probes, was initiated

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BL - Plasma physics and discharge through gases

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2015

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Nuclear Fusion

  • ISSN

    0029-5515

  • e-ISSN

  • Volume of the periodical

    55

  • Issue of the periodical within the volume

    3

  • Country of publishing house

    AT - AUSTRIA

  • Number of pages

    16

  • Pages from-to

    033019-033019

  • UT code for WoS article

    000352020500023

  • EID of the result in the Scopus database

    2-s2.0-84924078702