Numerical simulation of Dense Gas Compressible Homogeneous Isotropic Turbulence

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The decay of compressible homogeneous isotropic turbulence for dense gases is studied by means of Direct Numerical Simulations and Implicit Large Eddy Simulations. A family of heavy fluorocarbons, which exhibit non-classical phenomena, is considered. The thermodynamic behavior of the fluids is modeled by the politropic Van der Waals or the five-term Virial Martin-Hou equations of state, and the results are compared to those obtained for a thermally and calorically perfect gas.