Nonlinear development of convective instability within slender flux tubes. II - The effect of radiative heat transport

Details Nonlinear development of convective instability within slender flux tubes. II - The effect of radiative heat transport Nonlinear development of convective instability within slender flux tubes. II - The effect of radiative heat transport

Mar 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985japa....6...21v&link_type=abstract

Journal of Astrophysics and Astronomy (ISSN 0250-6335), vol. 6, March 1985, p. 21-34.

Astronomy and Astrophysics

Astrophysics

14

Convection, Magnetohydrodynamic Stability, Radiative Heat Transfer, Solar Magnetic Field, Boundary Value Problems, Magnetic Flux, Temperature Gradients, Thermal Conductivity, Unsteady Flow, Velocity Distribution

Scientific paper

Inclusion of radiative heat transport in the energy equation for a slender flux tube leads to oscillations of the tube. The amplitude of the oscillations depends on the radius of the tube when lateral heat exchange alone is considered. Longitudinal heat transport has a greater influence on the evolution of the instability than lateral heat exchange for the particular value of tube radius considered in the calculation. Heat transport is seen to reduce the efficiency of concentration of magnetic fields by convective collapse in the case of polytropic tubes.

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