Alfvén-character oscillations in ohmic plasmas observed on the COMPASS tokamak.

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F17%3A00482820" target="_blank" >RIV/61389021:_____/17:00482820 - isvavai.cz</a>

Výsledek na webu

—

DOI - Digital Object Identifier

—

Jazyk výsledku

angličtina

Název v původním jazyce

Alfvén-character oscillations in ohmic plasmas observed on the COMPASS tokamak.

Popis výsledku v původním jazyce

Energetic Particle driven plasma modes resulting from interaction of shear Alfvén waves with fast ions generated by fusion reactions, NBI or ICRH heating are capable of causing fast particle losses, negatively affecting the plasma performance or having detrimental effects on plasma-facing components or vacuum vessel. A number of reviews has already been published, describing properties of EP modes, their appearance, excitation and damping mechanisms, etc. The modes are not expected to appear in ohmic plasmas, however, plasma oscillations with their typical signatures have been reported in plasmas without an apparent source of EP on a number of devices. While impact of these phenomena on plasma performance does not seem to be significant, their investigation will yield understanding of the underlying EP mode physics. An observation of two types of such instabilities in ohmic régime plasmas on the COMPASS tokamak is reported and the modes characterised.

Název v anglickém jazyce

Alfvén-character oscillations in ohmic plasmas observed on the COMPASS tokamak.

Popis výsledku anglicky

Energetic Particle driven plasma modes resulting from interaction of shear Alfvén waves with fast ions generated by fusion reactions, NBI or ICRH heating are capable of causing fast particle losses, negatively affecting the plasma performance or having detrimental effects on plasma-facing components or vacuum vessel. A number of reviews has already been published, describing properties of EP modes, their appearance, excitation and damping mechanisms, etc. The modes are not expected to appear in ohmic plasmas, however, plasma oscillations with their typical signatures have been reported in plasmas without an apparent source of EP on a number of devices. While impact of these phenomena on plasma performance does not seem to be significant, their investigation will yield understanding of the underlying EP mode physics. An observation of two types of such instabilities in ohmic régime plasmas on the COMPASS tokamak is reported and the modes characterised.

Druh

D - Stať ve sborníku

CEP obor

—

OECD FORD obor

10305 - Fluids and plasma physics (including surface physics)

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

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

Rok uplatnění

2017

Kód důvěrnosti údajů

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

Název statě ve sborníku

EPS 2017: 44th European Physical Society Conference on Plasma Physics

ISBN

979-10-96389-07

ISSN

—

e-ISSN

—

Počet stran výsledku

4

Strana od-do

—

Název nakladatele

European Physical Society

Místo vydání

Mulhouse

Místo konání akce

Belfast

Datum konání akce

26. 6. 2017

Typ akce podle státní příslušnosti

EUR - Evropská akce

Kód UT WoS článku

—