Mikael Mortensen


Multiphase

I currently supervise two PhD-students, Tormod Landet and Christopher Friedemann, that are working on two widely different aspects of two-phase flows.

Christopher is involved in the Annulus flow project headed by IFE and in collaboration with Imperial College London. The project is sponsored by the Norwegian Research Council. We use OpenFOAM to simulate and understand two-phase flows in annulus configurations [1] [2], i.e., flow between an inner and outer pipe. Figure on the right shows annulus flow in an experimental configuration at IFE.

In Tormod's project we are investigating finite element methods for use with two-phase flows. We are looking into slope limiting of the velocity field in a discontinuous Galerkin and divergence free setting. [3]

References

  1. C. Friedemann, M. Mortensen and J. Nossen. Multiphase Flow Simulation in an Annulus Configuration, In Bjørn Helge Skallerud and Helge Ingolf Andersson (ed.), MekIT’17 - Ninth national conference on Computational Mechanics. International Center for Numerical Methods in Engineering (CIMNE)., 2017.
  2. C. Friedemann, M. Mortensen and J. Nossen. Gas-Liquid Slug Flow in a Horizontal Concentric Annulus, a Comparison of Numerical Simulations and Experimental Data, International journal of Heat and Fluid Flow, 78, pp. 108437, doi: 10.1016/j.ijheatfluidflow.2019.108437, 2019.
  3. T. Landet, K.-A. Mardal and M. Mortensen. Slope Limiting of Divergence Free Discontinuous Galerkin Vector Fields in the Context of Two-Phase Flows, FEniCS'17 at the University of Luxembourg, 2017.