Implementation of Non-Newtonian Fluid Properties for Compressible Multiphase Flows in OpenFOAM

The paper presents the implementation of non-Newtonian fluid properties for compressible multiphase solver in the open source framework Open-FOAM. The transport models for Power Law, Cross Power Law, Casson,Bird-Carreau and Herschel-Bulkley fluids were included in the thermophysical model library. Appropriate non-Newtonian liquids have been chosen from literature, and pressure driven test simulations are carried out. There-fore, the solver compressibleInterFoam is used to compute air-liquid mixture flows over a backward facing step. A validation of the novel models has been performed by means of a sample-based comparison of the strain rate viscosity relation. The theoretical rheological properties of the selected liquids agree well with the results of the simulated data.

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Westermaier, S., Kowalczyk, W., 2020. Implementation of Non-Newtonian Fluid Properties for Compressible Multiphase Flows in OpenFOAM. https://doi.org/10.4236/ojfd.2020.102009
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