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Fast infrared thermography on the COMPASS tokamak.

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F17%3A00481820" target="_blank" >RIV/61389021:_____/17:00481820 - isvavai.cz</a>

  • Alternative codes found

    RIV/68407700:21340/17:00326940 RIV/00216208:11320/17:10379319

  • Result on the web

    <a href="http://dx.doi.org/10.1016/j.fusengdes.2017.05.004" target="_blank" >http://dx.doi.org/10.1016/j.fusengdes.2017.05.004</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.fusengdes.2017.05.004" target="_blank" >10.1016/j.fusengdes.2017.05.004</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Fast infrared thermography on the COMPASS tokamak.

  • Original language description

    A new fast infrared camera was purchased on the COMPASS tokamak recently. It is equipped with a medium wavelength infrared (3-5 mm) InSb detector and is capable of reaching framerate up to 1.9 kHz in full frame acquisition mode (320 x 256 px.) and up to 90 kHz in sub-windowed mode (64 x 4 px.).nFirst experimental measurements of plasma heat flux to inner and outer wall limiters of the COMPASS tokamak using the new camera are presented. Time evolution of parallel heat flux during sawtooth instability is studied showing strong modulation of the heat flux absolute value whilst keeping constant its radial decay length. Fast modulation of outboard midplane limiter heat loading due to runaway electrons is also presented.nThe camera will be part of a new fast divertor thermographic system with exceptional spatial resolution (similar to 0.6-1.3 mm/px. on the target plane, 0.04-0.14 mmipx. mapped to the outer midplane) with a possibility of measurements of radial profiles on the divertor with 320 x 4 px. with temporal resolution better than 20 mu s. A design of the foreseen optical divertor system is described together with a design of a special divertor graphite tile used for the IR thermography, that will allow in-situ surface emissivity calibration.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    20305 - Nuclear related engineering; (nuclear physics to be 1.3);

Result continuities

  • Project

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

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2017

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Fusion Engineering and Design

  • ISSN

    0920-3796

  • e-ISSN

  • Volume of the periodical

    123

  • Issue of the periodical within the volume

    November

  • Country of publishing house

    CH - SWITZERLAND

  • Number of pages

    4

  • Pages from-to

    764-767

  • UT code for WoS article

    000418992000159

  • EID of the result in the Scopus database

    2-s2.0-85019160626