| Spatiotemporal Structure of the Interaction between Turbulence and Flows at the L-H Transition in a Toroidal Plasma. | |
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MedLine Citation:
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PMID: 22243007 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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The spatiotemporal behavior of the interaction between turbulence and flows has been studied close to the L-H transition threshold conditions in the edge region (ρ≥0.7) of TJ-II plasmas. The temporal dynamics of the interaction displays an oscillatory behavior with a characteristic predator-prey relationship. The spatial evolution of this turbulence-flow oscillation pattern has been measured, showing both radial outward and inward propagation velocities of the turbulence-flow front. The results indicate that the edge shear flow linked to the L-H transition can behave either as a slowing-down, damping mechanism of outward propagating turbulent-flow oscillating structures, or as a source of inward propagating turbulence-flow events. |
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Authors:
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T Estrada; C Hidalgo; T Happel; P H Diamond |
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Publication Detail:
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Type: Journal Article Date: 2011-12-07 |
Journal Detail:
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Title: Physical review letters Volume: 107 ISSN: 1079-7114 ISO Abbreviation: Phys. Rev. Lett. Publication Date: 2011 Dec |
Date Detail:
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Created Date: 2012-01-16 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0401141 Medline TA: Phys Rev Lett Country: United States |
Other Details:
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Languages: eng Pagination: 245004 Citation Subset: IM |
Affiliation:
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Laboratorio Nacional de Fusión, Asociación Euratom-CIEMAT, 28040, Madrid, Spain. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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