Tag Archives: solar cycles

91. On The Origin of the Double-Cell Meridional Circulation in the Solar Convection Zone

Contributed by Valery Pipin. Posted on March 19, 2018

It is demonstrated that when taking into account of the radial inhomogeneity of the Coriolis number, the solar-like differential rotation and the double-cell meridional circulation can both be reproduced by the mean-field model.

89. Information theoretic approach to discovering causalities in solar cycle

Contributed by Simon Wing. Posted on March 15, 2018

Various observable, such as polar field, meridional flow, and sunspot number, are examined to identify information flow, causality, and time delay between them during solar cycles. It is expected that this analysis can provide observational constraints on solar cycle models and theories.

24. Solar and stellar differential rotation and dynamo, mean-field vs. global models

Contributed by Gustavo Guerrero. Posted on July 30, 2014

Numerical simulations of solar rotation and dynamo have been performed over the last decades with the aim of understanding the physics of the solar interior.  Here we briefly discuss two main approaches, namely, mean-field modeling and global simulations. We also present recent results of hydrodynamic global simulations which reveal interesting aspects of stellar rotation.