I am solving one tank flow problem, pipe connected to the tank(cuboidal shape - like room).
I am solving for inlet Re in Laminar region (range 220 to 1350). The flow behavior is of SUDDEN EXPANSION FROM small inlet to large tank.
I tried with Laminar model, for coarser as well as fine mesh, but it ends up with some error, mostly FINEMESS. Even if i get the results, those are not well converged and are unrealistic. When I use the 'k-e' model then it gives some results but i am not sure because i donot have any benchmarking/experimental results for this type of flow.
So question is can we believe on use of k-e model? Any suggestions for analysing the results QUALITATIVELY?
Hoping for good reply Tuks
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