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Packed bed with layers of different packings

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Old   June 9, 2003, 13:21
Default Packed bed with layers of different packings
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hi I want to define the porosity for a packed bed which consists of three layers, each of different material i.e. different porosity

so, the resistences also varies for each layer

what shall I do?

is it possible to use UDF, [ i read manual for it, but could not find anything useful,as i had not used UDF so far ]

please give some suggestins/help .

Thanks in advance -umesh
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