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January 12, 2001, 09:48 |
Porous media
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#1 |
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I currently have a duct within which there is a grill made up of 10080 equally spaced inlets (5.72mm x 1.56mm). The duct is 632mm x 787mm x 3000mm. The grill fits flush in the center of the 3000mm duct and is 228mm thick.
CSA of Duct 497384mm2 =100% CSA of Grill Solid 407365mm2 =81.9% CSA of Grill Inlets 89945mm2 =18.1% The "porosity" of the skirt assembly is thus 18.1%. Does anybody have any experience of using the porous boundary in a similar case?. Any help would be appreciated. Regards James Hampson |
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