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Erguns equ as a source term

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Old   August 25, 2015, 05:50
Default Erguns equ as a source term
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I have a single phase of a liquid flow and I want to calculate the pressure drop based on Erguns equation in fluent as a source term and I am wondering how I should define S and dS. Since the Ergun is
then I assume it should be
and I am wondering if dS should be as
but then as I know dS is the decay part for the linearized equation and shold be negative, correct?
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ergun equation, linearization, pressure drop, source term

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