error in calculating permeability
I HAVE DONE SIMULATION OF FLOW AROUND PERIODIC ARRAY OF CYLINDER DIA: 0.00015 m. then i calculated pressure drop using difference in area weighted pressure at inlet cross section and mid point cross section and multiply it by 2. that total pressure drop used for calculating non dimensional pressure gradient.
but values are correct only at Re near 20- 30. its value are wrong at both low and higher Re. for ex at re =5 correct value is 14 but i m getting 1.8.
and same problem is happening for porosity 0.8, 0.9, 0.92.
kindly help :mad:
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