# Porous Media Inertial and Resistance

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 March 20, 2008, 04:58 Porous Media Inertial and Resistance #1 giogio Guest   Posts: n/a hi, What is the difference between inertial coefficient and resistance coefficient il inputs for Porous Media ? Thanks

 March 21, 2008, 13:30 Re: Porous Media Inertial and Resistance #2 red lemon Guest   Posts: n/a one is inertial resistance and other is viscous component of resistance

 April 2, 2008, 02:29 Re: Porous Media Inertial and Resistance #3 DEV Guest   Posts: n/a read Ergun equation for pressure drop per unit length to understand more

 June 21, 2011, 18:09 #4 New Member   zohreh Join Date: Feb 2011 Location: Tehran Posts: 20 Rep Power: 8 I want to model a micro filter, This filter (membrane) is rectangular (10×5 cm) with the thickness 12e-5. so,I calculate this parameters from Ergun equation which D=1e-6, because of the Micro filter type. is this assumption true?? i think this is very thin filter so there in not flow through in the membrane, in this situation is inertial coefficieant higher in Y direction? or not?when i set y-direction inertial coefficient higher than x-direction got better answer! is this resonable? I am looking forward to hearing from you. Sincerely yours

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