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Porous medium in catalytic converter

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Old   January 19, 2015, 12:19
Post Porous medium in catalytic converter
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Vishnu
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I analysed a catalytic converter by consider as a porous medium. The code validation cannot be done (experimental value does not match with CFD result) because there doesn`t shows any pressure difference in divergent or convergent regions and pressure difference only at porous region.
What is the reason for this behavior at convergent or divergent region.
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