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Engineering
Materials and Chemical Engineering
Modelling of two phase flow in packed bed using conservation equations
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[QUOTE="Chestermiller, post: 6569744, member: 345636"] I'll try to answer this in a little while. Meanwhile, I wanted to call something important to your attention. Now that we have decided to use the trick of employing numerical dispersion to simulate the actual dispersion in the bed, it opens up many possibilities. In particular, the unwinding scheme that this approach entails does not even involve the parameters for the tank on the right. That means that only parameters for the present tank and the one to the left come into play. That means that , we can do the implicit time integration for each tank in the sequence, in turn from left to right (one-at-a time) without having to include implicitly all the tanks at once. So we are solving for two unknowns at a time, rather the 2n unknowns at a time. So first you find the new values at the end of the time step for the first tank, then for the 2nd tank, then for the third tank, etc. Much simpler to implement. [/QUOTE]
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Materials and Chemical Engineering
Modelling of two phase flow in packed bed using conservation equations
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