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1. Identificação
Tipo de ReferênciaArtigo em Evento (Conference Proceedings)
Sitemtc-m21b.sid.inpe.br
Código do Detentorisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identificador8JMKD3MGP3W34P/3LTD7A8
Repositóriosid.inpe.br/mtc-m21b/2016/06.20.17.07
Repositório de Metadadossid.inpe.br/mtc-m21b/2016/06.20.17.07.11
Última Atualização dos Metadados2018:06.04.02.40.56 (UTC) administrator
Chave SecundáriaINPE--PRE/
Chave de CitaçãoRempelMiraChia:2016:SuAmSy
TítuloSupertransient and amplitude-phase synchronization in a astrophysical shear flows
Ano2016
Data de Acesso08 maio 2024
Tipo SecundárioPRE CI
2. Contextualização
Autor1 Rempel, Erico Luiz
2 Miranda, Rodrigo
3 Chian, Abraham Chian Long
Grupo1 DGE-CEA-INPE-MCTI-GOV-BR
Afiliação1 Instituto Nacional de Pesquisas Espaciais (INPE)
2 Universidade de Brasília (UnB)
3 Instituto Tecnológico de Aeronáutica (ITA)
Endereço de e-Mail do Autor1 erico_rempel@yahoo.com.br
2 rmiracer@gmail.com
3 abraham.chian@gmail.com
Nome do EventoInternational Conference on Nonlinear Science and Complexity, 6
Localização do EventoSão José dos Campos, SP
Data16-20 May
Histórico (UTC)2016-06-20 17:21:38 :: simone -> administrator :: 2016
2018-06-04 02:40:56 :: administrator -> simone :: 2016
3. Conteúdo e estrutura
É a matriz ou uma cópia?é a matriz
Estágio do Conteúdoconcluido
Transferível1
Tipo do ConteúdoExternal Contribution
Palavras-ChaveOn-off intermittency
amplitude-phase synchronization
accretion discs
magnetohydrodynamics
turbulence
ResumoWe study the development of coherent structures in local simulations of the magnetorotational instability in accretion discs in regimes of onoff intermittency. In Chian et al. (2010), we have shown that the laminar and bursty states due to the onoff spatiotemporal intermittency in a onedimensional model of non-linear waves correspond, respectively, to non- attracting coherent structures with higher and lower degrees of amplitude-phase synchronization. In this paper, we extend these results to a three-dimensional model of magnetized Keplerian shear flows. Keeping the kinetic Reynolds number and the magnetic Prandtl number fixed, we investigate two different intermittent regimes by varying the plasma beta parameter. The first regime is characterized by turbulent patterns interrupted by the recurrent emergence of a large-scale coherent structure known as two-channel flow, where the state of the system can be described by a single Fourier mode. The second regime is dominated by the turbulence with sporadic emergence of coherent structures with shapes that are reminiscent of a perturbed channel flow. By computing the Fourier power and phase spectral entropies in three dimensions, we show that the large-scale coherent structures are characterized by a high degree of amplitude-phase synchronization.
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5. Fontes relacionadas
Repositório Espelhourlib.net/www/2011/03.29.20.55
Unidades Imediatamente Superiores8JMKD3MGPCW/3EU29DP
Acervo Hospedeirosid.inpe.br/mtc-m21b/2013/09.26.14.25.20
6. Notas
Campos Vaziosarchivingpolicy archivist booktitle callnumber copyholder copyright creatorhistory descriptionlevel dissemination doi e-mailaddress edition editor format isbn issn label language lineage mark nextedition notes numberoffiles numberofvolumes orcid organization pages parameterlist parentrepositories previousedition previouslowerunit progress project publisher publisheraddress resumeid rightsholder schedulinginformation secondarydate secondarymark serieseditor session shorttitle size sponsor subject targetfile tertiarymark tertiarytype type url versiontype volume
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