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Mass Constraint Diffusive Flux
Posted 15 févr. 2021, 09:47 UTC−5 Computational Fluid Dynamics (CFD), Chemical Reaction Engineering 0 Replies
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Hi,
I'm trying to model a reacting flow tube system with using transport of concentrated species (tcs) and turbulent flow(k-e) interfaces. In the model, there are 4 inlets for different species (gas). At the interface of TCS comsol wants us to define a mass constraint. And it is mentioned in the comsol help documentation, to minimize the effects of mass constraint to the calculations it should be selected as the species that has the highest concentration. My model consists of inflows of mass flow rates in TCS interface and inlets of average velocities (under fully developed flow) in turbulent flow interface. The mass constraint species is the main flow of my model and when I examined the results that main flow (the species defined as mass constraint) was coming almost every inlet. Why is this happening and how can I interrupt/block these fluxes of Mass Constraint Species? Thank you.
Hello Denizhan Erenler
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