Simulations of Hot Bubbles in the ICM
arXiv:astro-ph/0409355 · doi:10.1142/S0217732304015610
Abstract
We review the general properties of the intracluster medium (ICM) in clusters that host a cooling flow, and in particular the effects on the ICM of the injection of hot plasma by a powerful active galactic nucleus (AGN). It is observed that, in some cases, the hot plasma produces cavities in the ICM that finally detach and rise, perhaps buoyantly. The gas dynamics induced by the rising bubbles can help explain the absence of a cooled gas component in clusters with a cooling flow. This scenario is explored using numerical simulations.
13 pages, no figures. Accepted for publication in Modern Physics Letters A
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