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minimum fluidization velocity(Umf) with DPMFoam

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Old   February 12, 2017, 01:10
Default minimum fluidization velocity(Umf) with DPMFoam
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samane dortaj
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Hi,
I am simulating a fluidized bed with DPMFoam solver, at first I want to calculate Umf , I used wall boundary condition for all of the boundary except inlet and outlet, but calculated Umf is very different with ergun equation result, and when I change my 2 boundaries to symmetry, the result become closer, but in my mind, boundary shouldn't affect Umf.
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