Modeling and simulation of droplet evaporation in different gas environments under supercritical conditions (B03)

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Within an appropriate LES methodology, three approaches will be addressed under consideration of a multi-regime evaporation model. First, the multi-fluid mixing model for multi-component mixtures will be consistently formulated in the frame of the Euler-Euler method suitable for trans- and supercritical sprays. Second, the Euler-Lagrange approach will be extended to integrate the arising effects of vanishing surface tension in such sprays. Finally, since irreversible processes are involved, the essential role of the entropy production in the process and modelling analysis will be considered. The approaches will be assessed with experimental data from TP-B2 and TP-B4.