AustralieFrV1, Main, Exploration, bibRecord, 00A422

Suppression of large edge localized modes in high confinement DIII-D plasmas with a stochastic magnetic boundary

Identifieur interne : 00A422 ( Main/Exploration ); précédent : 00A421; suivant : 00A423

Suppression of large edge localized modes in high confinement DIII-D plasmas with a stochastic magnetic boundary

Auteurs : T. E. Evans [États-Unis] ; R. A. Moyer [États-Unis] ; J. G. Watkins [États-Unis] ; P. R. Thomas [France] ; T. H. Osborne [États-Unis] ; J. A. Boedo [États-Unis] ; M. E. Fenstermacher [États-Unis] ; K. H. Finken [Allemagne] ; R. J. Groebner [États-Unis] ; M. Groth [États-Unis] ; J. Harris [Australie] ; G. L. Jackson [États-Unis] ; R. J. La Haye [États-Unis] ; C. J. Lasnier [États-Unis] ; M. J. Schaffer [États-Unis] ; G. Wang [États-Unis] ; L. Zeng [États-Unis]

Source :

Journal of nuclear materials [ 0022-3115 ] ; 2005.

RBID : Pascal:05-0164914

Descripteurs français

Pascal (Inist)
- Confinement plasma, Mode localisé bord, Oscillation, Plasma, Coeur réacteur, Tokamak, Réacteur fusion nucléaire, Réacteur nucléaire, Dispositif ITER.
Wicri :
- topic : Réacteur nucléaire.

English descriptors

KwdEn :
- Edge localized modes, Nuclear fusion reactor, Nuclear reactor, Oscillation, Plasma, Plasma confinement, Reactor core, Tokamak.

Abstract

Large 70 Hz Type-I edge localized modes (ELMs) are converted into small 130 Hz oscillations using edge resonant magnetic perturbations (RMPs) from a coil with currents ≤0.4% I_pin double null DIII-D plasmas. When the RMP is properly phased with respect to the background field errors, all but a few isolated ELM-like events are suppressed. The impulsive pedestal energy loss ΔE_ELM/Δt^1/2 to the scrape-of layer is reduced a factor of ≥20 relative to the Type-I ELMs and the core confinement is unaffected by the perturbation field. Significant changes in the properties of the ELMs are also observed when edge RMPs are applied to lower single null plasmas but the nature of these changes are much more complex. Both lower single null and double null plasmas are being studied to determine how ELM control techniques based on the application of edge RMPs can be expected to scale to future devices such as ITER.

Affiliations:

Allemagne, Australie, France, États-Unis
Californie

Links toward previous steps (curation, corpus...)

to stream PascalFrancis, to step Corpus: 004A29
to stream PascalFrancis, to step Curation: 001674
to stream PascalFrancis, to step Checkpoint: 004362
to stream Main, to step Merge: 00B012
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Le document en format XML

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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Suppression of large edge localized modes in high confinement DIII-D plasmas with a stochastic magnetic boundary</title>
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<country>États-Unis</country>
<wicri:noRegion>Lawrence Livermore National Laborabory</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Schaffer, M J" sort="Schaffer, M J" uniqKey="Schaffer M" first="M. J." last="Schaffer">M. J. Schaffer</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>General Atomics, P.O. Box 85608</s1>
<s2>San Diego, CA 92186-5608</s2>
<s3>USA</s3>
<sZ>1 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>9 aut.</sZ>
<sZ>12 aut.</sZ>
<sZ>13 aut.</sZ>
<sZ>15 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<wicri:noRegion>San Diego, CA 92186-5608</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Wang, G" sort="Wang, G" uniqKey="Wang G" first="G." last="Wang">G. Wang</name>
<affiliation wicri:level="2"><inist:fA14 i1="08"><s1>University of California</s1>
<s2>Los Angeles, California</s2>
<s3>USA</s3>
<sZ>16 aut.</sZ>
<sZ>17 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<placeName><region type="state">Californie</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Zeng, L" sort="Zeng, L" uniqKey="Zeng L" first="L." last="Zeng">L. Zeng</name>
<affiliation wicri:level="2"><inist:fA14 i1="08"><s1>University of California</s1>
<s2>Los Angeles, California</s2>
<s3>USA</s3>
<sZ>16 aut.</sZ>
<sZ>17 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
<placeName><region type="state">Californie</region>
</placeName>
</affiliation>
</author>
</analytic>
<series><title level="j" type="main">Journal of nuclear materials</title>
<title level="j" type="abbreviated">J. nucl. mater.</title>
<idno type="ISSN">0022-3115</idno>
<imprint><date when="2005">2005</date>
</imprint>
</series>
</biblStruct>
</sourceDesc>
<seriesStmt><title level="j" type="main">Journal of nuclear materials</title>
<title level="j" type="abbreviated">J. nucl. mater.</title>
<idno type="ISSN">0022-3115</idno>
</seriesStmt>
</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Edge localized modes</term>
<term>Nuclear fusion reactor</term>
<term>Nuclear reactor</term>
<term>Oscillation</term>
<term>Plasma</term>
<term>Plasma confinement</term>
<term>Reactor core</term>
<term>Tokamak</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Confinement plasma</term>
<term>Mode localisé bord</term>
<term>Oscillation</term>
<term>Plasma</term>
<term>Coeur réacteur</term>
<term>Tokamak</term>
<term>Réacteur fusion nucléaire</term>
<term>Réacteur nucléaire</term>
<term>Dispositif ITER</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Réacteur nucléaire</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">Large 70 Hz Type-I edge localized modes (ELMs) are converted into small 130 Hz oscillations using edge resonant magnetic perturbations (RMPs) from a coil with currents ≤0.4% I<sub>p</sub>
in double null DIII-D plasmas. When the RMP is properly phased with respect to the background field errors, all but a few isolated ELM-like events are suppressed. The impulsive pedestal energy loss ΔE<sub>ELM</sub>
/Δt<sup>1/2</sup>
 to the scrape-of layer is reduced a factor of ≥20 relative to the Type-I ELMs and the core confinement is unaffected by the perturbation field. Significant changes in the properties of the ELMs are also observed when edge RMPs are applied to lower single null plasmas but the nature of these changes are much more complex. Both lower single null and double null plasmas are being studied to determine how ELM control techniques based on the application of edge RMPs can be expected to scale to future devices such as ITER.</div>
</front>
</TEI>
<affiliations><list><country><li>Allemagne</li>
<li>Australie</li>
<li>France</li>
<li>États-Unis</li>
</country>
<region><li>Californie</li>
</region>
</list>
<tree><country name="États-Unis"><noRegion><name sortKey="Evans, T E" sort="Evans, T E" uniqKey="Evans T" first="T. E." last="Evans">T. E. Evans</name>
</noRegion>
<name sortKey="Boedo, J A" sort="Boedo, J A" uniqKey="Boedo J" first="J. A." last="Boedo">J. A. Boedo</name>
<name sortKey="Fenstermacher, M E" sort="Fenstermacher, M E" uniqKey="Fenstermacher M" first="M. E." last="Fenstermacher">M. E. Fenstermacher</name>
<name sortKey="Groebner, R J" sort="Groebner, R J" uniqKey="Groebner R" first="R. J." last="Groebner">R. J. Groebner</name>
<name sortKey="Groth, M" sort="Groth, M" uniqKey="Groth M" first="M." last="Groth">M. Groth</name>
<name sortKey="Jackson, G L" sort="Jackson, G L" uniqKey="Jackson G" first="G. L." last="Jackson">G. L. Jackson</name>
<name sortKey="La Haye, R J" sort="La Haye, R J" uniqKey="La Haye R" first="R. J." last="La Haye">R. J. La Haye</name>
<name sortKey="Lasnier, C J" sort="Lasnier, C J" uniqKey="Lasnier C" first="C. J." last="Lasnier">C. J. Lasnier</name>
<name sortKey="Moyer, R A" sort="Moyer, R A" uniqKey="Moyer R" first="R. A." last="Moyer">R. A. Moyer</name>
<name sortKey="Osborne, T H" sort="Osborne, T H" uniqKey="Osborne T" first="T. H." last="Osborne">T. H. Osborne</name>
<name sortKey="Schaffer, M J" sort="Schaffer, M J" uniqKey="Schaffer M" first="M. J." last="Schaffer">M. J. Schaffer</name>
<name sortKey="Wang, G" sort="Wang, G" uniqKey="Wang G" first="G." last="Wang">G. Wang</name>
<name sortKey="Watkins, J G" sort="Watkins, J G" uniqKey="Watkins J" first="J. G." last="Watkins">J. G. Watkins</name>
<name sortKey="Zeng, L" sort="Zeng, L" uniqKey="Zeng L" first="L." last="Zeng">L. Zeng</name>
</country>
<country name="France"><noRegion><name sortKey="Thomas, P R" sort="Thomas, P R" uniqKey="Thomas P" first="P. R." last="Thomas">P. R. Thomas</name>
</noRegion>
</country>
<country name="Allemagne"><noRegion><name sortKey="Finken, K H" sort="Finken, K H" uniqKey="Finken K" first="K. H." last="Finken">K. H. Finken</name>
</noRegion>
</country>
<country name="Australie"><noRegion><name sortKey="Harris, J" sort="Harris, J" uniqKey="Harris J" first="J." last="Harris">J. Harris</name>
</noRegion>
</country>
</tree>
</affiliations>
</record>

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Suppression of large edge localized modes in high confinement DIII-D plasmas with a stochastic magnetic boundary

Suppression of large edge localized modes in high confinement DIII-D plasmas with a stochastic magnetic boundary

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