Modelling of heat transport in two-phase flow and of mass transfer between phases using the level-set method
Journal article, Peer reviewed
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Original versionEnergy Procedia. 2015, 64C 53-62. 10.1016/j.egypro.2015.01.008
We describe mathematical models for heat transport and for mass transfer between phases due to vaporization and condensation. These models have been implemented in a framework for detailed two-phase flow calculations based on the level-set method. For two simple cases we show that simulated results agree with the corresponding analytical solutions and we demonstrate first-order convergence of the implemented methods. We also simulate a more physically realistic, three-dimensional case that is assumed rotationally symmetric around an axis. In this case, a droplet of liquid methane is vaporized and it is shown that the model yields results that are consistent with qualitative expectations.