Showing astro-phShow all
2 papers · 1 filter
astro-ph2004
Phase diversity restoration of sunspot images I. Relations between penumbral and photospheric features
J. A. Bonet, I. Marquez, R. Muller +2
We investigate the dynamics of and the relations between small-scale penumbral and photospheric features near the outer penumbral boundary: penumbral grains (PGs), dark penumbral f…
astro-ph2003
Dynamo action in turbulent flows
Vasilis Archontis, Bertil Dorch, Aake Nordlund
We present results from numerical simulations of nonlinear MHD dynamo action produced by three-dimensional flows that become turbulent for high values of the fluid Reynolds number.…