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Modeling of plasma performance on COMPASS-D tokamak in the presence of NBI and LHCD

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F06%3A00049935" target="_blank" >RIV/61389021:_____/06:00049935 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Modeling of plasma performance on COMPASS-D tokamak in the presence of NBI and LHCD

  • Original language description

    The potential scenario with Neutral Beam Injection (NBI) and Lower Hybrid Current Drive (LHCD) on the COMPASS-D tokamak (R0 = 0.56 m, a = 0.17 m, = 1.7, = 0.4) is investigated numerically for Phase I operation (Bt=1.2 T, Ipl=0.2 MA) using the ASTRA and ACCOME codes. With ASTRA, the thermal electron transport in ELMy H-mode plasmas achieved previously with ohmic (OH) and electron cyclotron (EC) heating on COMPASS-D tokamak [1] is analysed with a goal of testing transport models. It is found that both theMulti-Mode Model (MMM) and mixed Bohm-gyroBohm (BgB) models [2] have to be re-normalised for achieving a satisfactory agreement with measured central electron temperature and diamagnetic energy. The re-normalisation multiplier in the MMM model has to vary from 2 (OH H-mode) to 5.8 (EC heated H-mode) while a fixed re-normalisation multiplier (equal to 7.2) has to be used in the Bohm-like term of the BgB model in order to provide a better agreement with the data.

  • Czech name

    Modelizace operačních vlastostí tokamaku COMPASS-D v přítomnosti zahřívání a vlečení proudu neutrálními svazky a dolně hybridními vlnami

  • Czech description

    Předpokládaný operační režim tokamaku COMPASS-D (R0 = 0.56 m, a = 0.17 m, = 1.7, = 0.4) s neutrálními svazky a dolně hybridním záhřevem a vlečeným proudem je vyšetřován numericky pomocí transportního kódu ASTRA a kódu ACCOME pro výpočet magnetického rovnovážného stavu a induktivně i ne-induktivně generovaných proudů. Simulační kódy jsou kalibrovány vzhledem k výsledkům starších experimentů na COMPASSu. Souhlas s výsledky byl obdržen s použitím re-normalizovaných Bohm-gyroBohm transportních koeficientů.

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    BL - Plasma physics and discharge through gases

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GA202%2F04%2F0360" target="_blank" >GA202/04/0360: Dissipation of strong electromagnetic waves and its consequences near antennas</a><br>

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2006

  • Confidentiality

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

Data specific for result type

  • Article name in the collection

    33rd European Physical Society Conference on Plasma Physics

  • ISBN

    2-914771-40-1

  • ISSN

  • e-ISSN

  • Number of pages

    8

  • Pages from-to

  • Publisher name

    European Physical Society

  • Place of publication

    Frascati

  • Event location

    Řím

  • Event date

    Jun 19, 2006

  • Type of event by nationality

    EUR - Evropská akce

  • UT code for WoS article