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Generation and saturation of large-scale flows in flute turbulence

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dc.contributor.author Sandberg, I en
dc.contributor.author Isliker, H en
dc.contributor.author Pavlenko, VP en
dc.contributor.author Hizanidis, K en
dc.contributor.author Vlahos, L en
dc.date.accessioned 2014-03-01T01:22:26Z
dc.date.available 2014-03-01T01:22:26Z
dc.date.issued 2005 en
dc.identifier.issn 1070-664X en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/16571
dc.subject.classification Physics, Fluids & Plasmas en
dc.subject.other Asymptotic stability en
dc.subject.other Electrostatics en
dc.subject.other Frequencies en
dc.subject.other Ions en
dc.subject.other Magnetic field effects en
dc.subject.other Magnetoplasma en
dc.subject.other Oscillations en
dc.subject.other Temperature distribution en
dc.subject.other Turbulent flow en
dc.subject.other Flute turbulence en
dc.subject.other Large-scale flows en
dc.subject.other Temporal evolutions en
dc.subject.other Zonal modes en
dc.subject.other Turbulence en
dc.title Generation and saturation of large-scale flows in flute turbulence en
heal.type journalArticle en
heal.identifier.primary 10.1063/1.1854688 en
heal.identifier.secondary http://dx.doi.org/10.1063/1.1854688 en
heal.identifier.secondary 032503 en
heal.language English en
heal.publicationDate 2005 en
heal.abstract The excitation and suppression of large-scale anisotropic modes during the temporal evolution of a magnetic-curvature-driven electrostatic flute instability are numerically investigated. The formation of streamerlike structures is attributed to the linear development of the instability while the subsequent excitation of the zonal modes is the result of the nonlinear coupling between linearly grown flute modes. When the amplitudes of the zonal modes become of the same order as that of the streamer modes, the flute instabilities get suppressed and poloidal (zonal) flows dominate. In the saturated state that follows, the dominant large-scale modes of the potential and the density are self-organized in different ways, depending on the value of the ion temperature. (C) 2005 American Institute of Physics. en
heal.publisher AMER INST PHYSICS en
heal.journalName Physics of Plasmas en
dc.identifier.doi 10.1063/1.1854688 en
dc.identifier.isi ISI:000227385700020 en
dc.identifier.volume 12 en
dc.identifier.issue 3 en
dc.identifier.spage 1 en
dc.identifier.epage 8 en


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