modeling perforated plate

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 February 18, 2009, 07:14 modeling perforated plate #1 mokemex Guest   Posts: n/a Hi all, I am trying to model a perforated plate at the end of a pipe as a porous media in 2D. Can some one help me on how to do it? I know the porosity and K(the flow resistance coefficient) of the perforated plate. I would be glad if some one tells me the procedures to determine the coefficients for fluent. Thanx in advance, Mokemex

 February 18, 2009, 09:09 Re: modeling perforated plate #2 Pablo Guest   Posts: n/a That's explicitly written on Fluent user's guide. See porous media chapter.

 February 18, 2009, 10:11 Re: modeling perforated plate #3 mokemex Guest   Posts: n/a Dear Pablo, Thank you for your response. From the fluent user's guide worked example (equations 6.19-10 to 6.19-13), I could calulate C2, it becomes 1122, but this method doesn't say about how to get 1/alpha? Then, since I have an experimental data (pressure drop Vs velocity) of the same plate, I used eqns. 6.19-22 and calculated both C2 and 1/alpha,. However, the new C2 is a completely different number, C2= 0.7720. That's where I am confused?! I am sure I am missing something, Can you help me now? Thanks again, Mokemex

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