Pressure drop- multiphase
I am trying to simulate multiphase flow for a Heat Exchanger.
The heat exchanger tubes modeled as porous media because of the complexity of the geometry.
Initially for a single phase run, at an assumed pressure drop of 2 bars from the inlet to outlet, I calculated a resistance value of 1e6 using darcys law. Cfd pictures show a pressure drop of almost 2 bars which is great!
Later i put an extra gas phase to it with the same resistance value, now CFD calculates a pressure drop of 4 bars. This is not desired.
How do I fix the pressure drop to 2 bars for two phase flow.
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