Astronomy and Astrophysics – Astrophysics – Solar and Stellar Astrophysics
Scientific paper
2012-01-23
Astronomy and Astrophysics
Astrophysics
Solar and Stellar Astrophysics
4 pages, 1 figure, to appear in Third Hinode Science Meeting proceedings
Scientific paper
We examine the role of small-scale granulation in helping to drive supergranulation and even larger scales of convection. The granulation is modeled as localized cooling events introduced at the upper boundary of a 3-D simulation of compressible convection in a rotating spherical shell segment. With a sufficient number of stochastic cooling events compared to uniform cooling, we find that supergranular scales are realized, along with a differential rotation that becomes increasingly solar-like.
Augustson Kyle
DeRosa Marc
Hurlburt Neal
Toomre Juri
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