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How to calculate Momentum transfer from 2-D area within 3-D domain

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Old   August 5, 2022, 09:36
Default How to calculate Momentum transfer from 2-D area within 3-D domain
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Alpaslan KILAVUZ
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Hello there,



problem is in the title



is it simply



calculated net mass flow rate from that area * calculated avg velocity in the area in normal direction



am I overthinking something or is it just this like in the textbooks?


Created plane surface in y-z plane and trimmed it down using Iso-clip to create area

Calculated mass flow rate and mean x-velocity from surface integrals (area-weighted integral for velocity)


Fluid is a liquid (water) btw


asking it before I prepare graphs for an article review which requested momentum plot from some areas within wake to compare the effects of some parameters
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3-d, fluent, mass flow rate, momentum

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