Articles | Volume 9, issue 2
https://doi.org/10.5194/gmd-9-697-2016
https://doi.org/10.5194/gmd-9-697-2016
Model description paper
 | 
18 Feb 2016
Model description paper |  | 18 Feb 2016

ASHEE-1.0: a compressible, equilibrium–Eulerian model for volcanic ash plumes

M. Cerminara, T. Esposti Ongaro, and L. C. Berselli

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Short summary
A new model for gas–particles compressible turbulent dynamics is developed. It is implemented in a fluid dynamic code based on the OpenFOAM libraries. The solver is tested against well known benchmarks, in particular: single and multiphase isotropic turbulence, plume turbulent dynamics and shock tube experiments. These comparisons validate the capability of the solver to capture the desired physics. A volcanic plume is analyzed, focusing on non-equilibrium ash dynamics and mean plume properties.