Turbulent MHD transport coefficients

Previous calculations of turbulent magnetohydrodynamic (MHD) eddy viscosity and anomalous resistivity are reviewed. Emphasis is laid on a new approach to fully developed turbulence proposed by Canuto and Dubovikov, containing both systematic and heuristic elements for the ultraviolet (UV) and infrar...

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Guardado en:
Detalles Bibliográficos
Publicado: 1999
Materias:
Approximation theory
Differential equations
Magnetohydrodynamics
Mathematical models
Navier Stokes equations
Prandtl number
Viscosity
Direct interaction approximation
Renormalization group
Plasma turbulence
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_07413335_v41_n3A_pA635_FerroFontan
http://hdl.handle.net/20.500.12110/paper_07413335_v41_n3A_pA635_FerroFontan
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
Descripción
Sumario:Previous calculations of turbulent magnetohydrodynamic (MHD) eddy viscosity and anomalous resistivity are reviewed. Emphasis is laid on a new approach to fully developed turbulence proposed by Canuto and Dubovikov, containing both systematic and heuristic elements for the ultraviolet (UV) and infrared (IR) parts of the nonlinear interactions in hydrodynamics. Their method is extended so that the magnetic and velocity fluctuations are treated on an equal footing. The effective magnetic Prandtl number is obtained as a function of the residual energy spectral density. © 1999 IOP Publishing Ltd.

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