JET and COMPASS asymmetrical disruptions

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F15%3A10319775" target="_blank" >RIV/00216208:11320/15:10319775 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/61389021:_____/15:00453779

Výsledek na webu

<a href="http://dx.doi.org/10.1088/0029-5515/55/11/113006" target="_blank" >http://dx.doi.org/10.1088/0029-5515/55/11/113006</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1088/0029-5515/55/11/113006" target="_blank" >10.1088/0029-5515/55/11/113006</a>

Jazyk výsledku

angličtina

Název v původním jazyce

JET and COMPASS asymmetrical disruptions

Popis výsledku v původním jazyce

Asymmetrical disruptions may occur during ITER operation and they may be accompanied by large sideways forces and rotation of the asymmetry. This is of particular concern because resonance of the rotating asymmetry with the natural frequencies of the vacuum vessel (and other in-vessel components) could lead to large dynamic amplification of the forces. A significant fraction of non-mitigated JET disruptions have toroidally asymmetric currents that flow partially inside the plasma and partially inside the surrounding vacuum vessel ('wall'). The toroidal asymmetries (otherwise known as the appearance of 3D structures) are clearly visible in the plasma current (I-p) and the first plasma current moments. For the first time we present here the asymmetries in toroidal flux measured by the diamagnetic loops and also propose a physical interpretation. The presented data covers the period of JET operation with a C-wall (JET-C from 2005 until late 2009) and with an ITER-like wall (JET-ILW from 2

Název v anglickém jazyce

JET and COMPASS asymmetrical disruptions

Popis výsledku anglicky

Asymmetrical disruptions may occur during ITER operation and they may be accompanied by large sideways forces and rotation of the asymmetry. This is of particular concern because resonance of the rotating asymmetry with the natural frequencies of the vacuum vessel (and other in-vessel components) could lead to large dynamic amplification of the forces. A significant fraction of non-mitigated JET disruptions have toroidally asymmetric currents that flow partially inside the plasma and partially inside the surrounding vacuum vessel ('wall'). The toroidal asymmetries (otherwise known as the appearance of 3D structures) are clearly visible in the plasma current (I-p) and the first plasma current moments. For the first time we present here the asymmetries in toroidal flux measured by the diamagnetic loops and also propose a physical interpretation. The presented data covers the period of JET operation with a C-wall (JET-C from 2005 until late 2009) and with an ITER-like wall (JET-ILW from 2

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

BL - Fyzika plasmatu a výboje v plynech

OECD FORD obor

—

Projekt

<a href="/cs/project/LM2011021" target="_blank" >LM2011021: COMPASS-RI - příspěvek na provoz a základní personální zajištění tokamaku COMPASS - velké výzkumné infrastruktury celoevropského významu</a><br>

Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2015

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

—

Svazek periodika

55

Číslo periodika v rámci svazku

11

Stát vydavatele periodika

AT - Rakouská republika

Počet stran výsledku

18

Strana od-do

—

Kód UT WoS článku

000366528700009

EID výsledku v databázi Scopus

2-s2.0-84946042477