velocity calculations in mass flow inlet boundary condition
hi
I have a problem with fluent.when I specified a mass flow inlet condition for nozzle inlet of a shell and tube heat excganger, fluent calculate another velocity value for this inlet than I evaluated with continuty eq. |
Give more information... 2D or 3D is the problem and how you calculate velocity? if the problem is 3D make sure your density is correct and just apply
v=G/S, where v-velocity [m/s] G-mass flowrate [m3/s] S-cross section area [m2] |
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