A dynamical model of solar granulation

Details A dynamical model of solar granulation A dynamical model of solar granulation

Jun 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977apj...214..912n&link_type=abstract

Astrophysical Journal, Part 1, vol. 214, June 15, 1977, p. 912-916.

Astronomy and Astrophysics

Astrophysics

38

Astronomical Models, Dynamic Models, Plasma Turbulence, Radiative Transfer, Solar Granulation, Steady State, Drag, Energy Distribution, Energy Transfer, Reynolds Number, Two Dimensional Flow

Scientific paper

We construct a steady-state model of solar granulation with a simplified horizontal structure. As in our previous model the transfer of radiation dominates the energy balance and determines the temperature fluctuations. The turbulent drag force which we include in a simplified form balances the buoyancy created by the temperature fluctuations. Penetration of velocity and temperature fluctuations are similar to those observed. The small-scale turbulence generated by granular motions may be an important contributor to observed unresolved motions but cannot account for the total.

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