Cooling in the CND - Marvin

I am using the H2-cooling function that is part of the NEQ-cooling module. This cooling function considers rotational and vibrational lines for several wavelength. I assume that the disk consists to 100% of H2 throughout the simulation.

The first two Animations show the 3D mass density of the CND, once with and once without cooling enabled. With cooling the CND is much thinner and the central densities are larger by two orders of magnitude.

The next two Animations show an edge-on view of the disk temperature. Without cooling the disk heats up to about 80000 K (initial disk temperature: 300 K) and thus is indistinguishable from the ambient medium. With cooling the disk reaches a temperature of about 800 K.

​Animation of 3D gas density, without cooling

​Animation of 3D gas density, with cooling

​Animation of edge-on view of the Temperature, without cooling

​Animation of edge-on view of the Temperature, with cooling

3D gas density, with cooling:

Edge-on view of the Temperature, with cooling:

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