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dc.contributor.author
Rodriguez Imazio, Paola Carolina  
dc.contributor.author
Mininni, Pablo Daniel  
dc.date.available
2015-10-13T21:11:59Z  
dc.date.issued
2013-07  
dc.identifier.citation
Rodriguez Imazio, Paola Carolina; Mininni, Pablo Daniel; Passive scalar cascades in rotating helical and non-helical flows; IOP Publishing; Physica Scripta; 88; T155; 7-2013; 1-9  
dc.identifier.issn
0031-8949  
dc.identifier.uri
http://hdl.handle.net/11336/2517  
dc.description.abstract
We study how helicity affects the spectrum of a passive scalar in rotating turbulent flows, using numerical simulations of turbulent flows with or without rotation and with or without injection of helicity. Scaling laws for energy and passive scalar spectra in the direction perpendicular to the rotation axis differ in rotating helical flows from those found in the non-helical case, with the spectrum of passive scalar variance in the former case being shallower than in the latter. A simple phenomenological model that links the effects of helicity on the energy spectrum with the passive scalar spectrum is presented.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
IOP Publishing  
dc.rights
info:eu-repo/semantics/openAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
Rotating Flows  
dc.subject
Swirling Flows  
dc.subject
Helicity  
dc.subject
Passive Scalar  
dc.subject.classification
Física de los Fluidos y Plasma  
dc.subject.classification
Ciencias Físicas  
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CIENCIAS NATURALES Y EXACTAS  
dc.title
Passive scalar cascades in rotating helical and non-helical flows  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2016-03-30 10:35:44.97925-03  
dc.journal.volume
88  
dc.journal.number
T155  
dc.journal.pagination
1-9  
dc.journal.pais
Reino Unido  
dc.journal.ciudad
Londres  
dc.description.fil
Fil: Rodriguez Imazio, Paola Carolina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; Argentina  
dc.description.fil
Fil: Mininni, Pablo Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; Argentina. National Center for Atmospheric Research; Estados Unidos de América;  
dc.journal.title
Physica Scripta  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://arxiv.org/abs/1207.7027  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1088/0031-8949/2013/T155/014037  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://iopscience.iop.org/article/10.1088/0031-8949/2013/T155/014037/meta