Simulations of Pulsed Over-Pressure Jets: Formation of Bellows and Ripples in Galactic Environments

<p>Movies in the form of animated gifs.</p> <p>Corresponding to figures, tables and notation of paper submitted to MNRAS with the same title.</p> <p>Movies of jets exiting a circular nozzle with an overpressure K and density E relative to the ambient medium.&nbsp;</p> <p>The Mach number is set to 2 and an initial ramp up inspeed over 10 time units.</p> <p>All simulations run to 200 time units.</p> <p>These are Mach 2 jets with superimposed velocity pulsations with pulse period P and amplitude V-1( so V1.4 is 40% and V2 is 100% &nbsp;relative amplitude) A ramp up of the velocity from 0 is applied over an initial period R. Adiabatic gas with specific heat ratio of 5/3.&nbsp;</p> <p>The animated graphs called PROFILES here are radial cross-cuts of the physical parameters as a function of time.</p> <p>&nbsp;</p> <p>The pressure movies are collated into four streams according to the over-pressure and density.</p> <p>Within each zipped folder are movies with pulse periods of 2, 10 and 40 time units.</p> <p>&nbsp;</p> <p>The fixed speed movies are non-pulsed and both density and pressure movies are included.</p> <p>&nbsp;</p> <p>The preview movie is chosem to illustrate the ripples in the environment.</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p>