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August 21, 2023, 18:58
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How to calculate flow rate
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#1 |
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New Member
Join Date: Aug 2023
Posts: 3
Rep Power: 3  |
I am new to COMSOL. I set up a stationary 3D laminar flow study that is pressure dependent. After the computation has completed I see Velocity and Pressure in the results but I would like to know the volumetric flow rate. How can I get the flow rate at an outlet?
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August 23, 2023, 18:37
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Update
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#2 |
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New Member
Join Date: Aug 2023
Posts: 3
Rep Power: 3 |
I have tried to replace the expression in the velocity slice plot from spf.U (m^3/s) to spf.U*h*h (cm^3/h). The flow rate calculated look approximately correct but I do not know how to verify if it is correct or not.
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August 23, 2023, 19:14
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Solved
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#3 |
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New Member
Join Date: Aug 2023
Posts: 3
Rep Power: 3 |
Results > Derived Values > Surface Integration > Expression = spf.U
Select outlet(s). Set desired units. |
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| flowrate, flowrate outlet |
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