Abstract

We present results from the first self-consistent, multidimensional simulations of perturbed radio jets in a realistic, cluster cooling flow atmosphere. The supersonic, steady state cooling flow atmosphere used in this work is unique in that it is evolved numerically from an isothermal, equilibrium state. Jets of varying Mach number are passed through this atmosphere and their ultimate rate is found to depend strongly on Mach number. Low Mach number jets (M j =3) effectively stagnate due to the ram pressure of the cooling flow atmosphere while medium Mach number jets (M j =6-12) become unstable and disrupt in the cooling flow to form amorphous structures. High Mach number jets (M j >50) manage to avoid disruption and are able to propagate through the cooling flow

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