Flux tubes and scaling in MHD dynamo simulations.

Details Flux tubes and scaling in MHD dynamo simulations. Flux tubes and scaling in MHD dynamo simulations.

Oct 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995csf.....5.2023b&link_type=abstract

Chaos Solitons Fractals, Vol. 5, No. 10, p. 2023 - 2045

Computer Science

1

Dynamo Theory: Sun, Dynamo Theory: Magnetohydrodynamics

Scientific paper

MHD simulations of compressible convection in a layer heated from below are discussed and the results analysed in various ways. The ultimate aim of these simulations is to understand the generation and evolution of the magnetic field in the Sun. The formation of flux tubes is addressed, and it is concluded that random field line stretching plays the dominant rôle, which is in contrast to vortex tubes where both shear instabilities and vortex stretching contribute almost equally to the generation of vorticity. Magnetic flux tubes occur preferentially near stagnation points, but there remains a significant flow component along the tube. Various scaling properties of the magnetic field generated in such simulations are investigated. Multifractal dimensions, cancellation exponents, and generalized power spectra are computed. While the spectra show a tendency for power law scaling, no such behavior is found for the cancellation exponent. Finally, implications for the generation of large-scale fields in the solar dynamo are discussed.

Affiliated with

Also associated with

No associations

Rating

Flux tubes and scaling in MHD dynamo simulations. does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Flux tubes and scaling in MHD dynamo simulations., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Flux tubes and scaling in MHD dynamo simulations. will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1353326