3D Simulations of Jet Interactions with Galaxy Cluster Environments

Details 3D Simulations of Jet Interactions with Galaxy Cluster Environments 3D Simulations of Jet Interactions with Galaxy Cluster Environments

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...209.7214o&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #72.14; Bulletin of the American Astronomical Society, V

Astronomy and Astrophysics

Astronomy

Scientific paper

We present the results of high-resolution 3D MHD simulations of light, supersonic AGN jets in realistic galaxy cluster environments. These simulations are designed to explore the viability of jets as a means of delivering energy to cluster environments to prevent the formation of cooling flows. Our simulated jets propagate in opposite directions from the cluster core, converting and depositing energy in their environments as they evolve. In some cases, the jet activity is varied to mimic real AGN duty cycles. The cluster environments feature full 3D gravity and realistic temperature and density profiles with mild density perturbations consistent with those observed in physical systems. Additionally, the cluster magnetic field is structured to provide physically reasonable field values and correlation lengths. Our study focuses on measuring in what amounts, forms, and locations this jet energy enters the ambient medium and whether it does so irreversibly to contribute to ICM heating. Furthermore, we explore the morphologies of jet, lobe, and bubble structures produced by both steady and intermittent flows.
This work was supported by NSF Grants 03-07600 and 06-07674, The Minnesota Supercomputing Institute, and a University of Minnesota Doctoral Dissertation Fellowship.

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