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Showing results 1 to 6 of 6 Search took 0.00 seconds. Search: Posts Made By: srjp

Forum: FLUENT April 26, 2013, 08:39

Replies: 50 Viscous resistance coefficients in porous medium Views: 81,199 Posted By srjp Is the flow across the pipes or along the pipes?... Is the flow across the pipes or along the pipes? This will change the diameter to be used. Also, ergun equation is only for spherical particles, for cylinders, you may have to use the appropriate...

Forum: FLUENT June 21, 2011, 05:27

Replies: 50 Viscous resistance coefficients in porous medium Views: 81,199 Posted By srjp Yes, You can still use the porous zone model... Yes, You can still use the porous zone model for the membrane, since the membrane is porous anyway. If the membrane is homegeneous and symmetric, you can use the same resistance values in all...

Forum: FLUENT June 2, 2011, 05:41

Replies: 50 Viscous resistance coefficients in porous medium Views: 81,199 Posted By srjp It should be noted that the porous domain... It should be noted that the porous domain calculation in Fluent is an approximate one: It just adds a momentum sink in 3 directions due to the inertial and viscous resistance. The mesh type will...

Forum: FLUENT October 26, 2009, 07:57

Replies: 50 Viscous resistance coefficients in porous medium Views: 81,199 Posted By srjp Hi, The Ergun equation assumes that the bed is... Hi, The Ergun equation assumes that the bed is filled with uniform sized and shaped particles. The sphericity parameter is used as a conversion factor for non-spherical particles (comparing the...

Forum: FLUENT August 12, 2009, 07:21

Replies: 50 Viscous resistance coefficients in porous medium Views: 81,199 Posted By srjp Hi, You are right. Resistance is the inverse... Hi, You are right. Resistance is the inverse of permeability. It is normally in the range of 1e+6 to 1e+10 m2.

Forum: FLUENT August 12, 2009, 06:19

Replies: 50 Viscous resistance coefficients in porous medium Views: 81,199 Posted By srjp Viscous and Inertial Resistances The viscous and inertial resistances to flow in a porous medium can be calculated from the Ergun equation, which gives the total pressure drop through a porous medium. Check any book on fluid...

Showing results 1 to 6 of 6

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