{"id":314009,"date":"2023-10-30T17:51:07","date_gmt":"2023-10-30T17:51:07","guid":{"rendered":"\/forum\/forums\/topic\/fluent-post-processing-use-radial-velocity-component-to-represent-flow-rate\/"},"modified":"2023-10-30T17:51:07","modified_gmt":"2023-10-30T17:51:07","slug":"fluent-post-processing-use-radial-velocity-component-to-represent-flow-rate","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/fluent-post-processing-use-radial-velocity-component-to-represent-flow-rate\/","title":{"rendered":"Fluent Post Processing: use radial velocity component to represent flow rate?"},"content":{"rendered":"

My case is that water passes through our device at steady state; below I showed a cylindrical shell which is part of our device; water firstly surrounds the outside of the shell, and enters through the small windows on the shell. In post processing, I am interested to know the flow rate at each window.<\/p>\n

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In CFD-post, what I did is going to turbo – define global rotation axis (in this case, it is y-axis) – calculate velocity components. Then I went to functional calculator, selected the location as the interface of each window (see the zoom-in view, the surface circled by yellow lines), calculated the area average of velocity_radial on this surface, and area of the surface. Then I can get a value by multiplying the average radial velocity with surface area. Does this value accurately represent all the flow rate into the surface?<\/p>\n

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