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How to calculate entrance length in comsol

Posted 03.09.2019, 16:28 GMT-4 Fluid & Heat, Computational Fluid Dynamics (CFD), Microfluidics 0 Replies

shreeyansh96
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hi

I have a microchannel with dimensions (1mm x 1mm x 5m), with water flowing in it. I need to find the hydrodynamic entrance length for a given velocity (or flow rate) in comsol. In theory, we have the formula for laminar flow, L=0.05ReDh but in comsol I don't know to do.

0 Replies Last Post 03.09.2019, 16:28 GMT-4
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