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boundary condition for suction of fumes/smoke

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Old   October 12, 2021, 07:48
Post boundary condition for suction of fumes/smoke
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matal
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I saw some threads where it was written no to use pressure-pressure boundary condition.my problem is i want to know the capture velocity at the inlet so that i can capture the fumes which are generated during welding/laser cutting. what boundary condition and physics(solver) should i apply for this type of problem? .

i have "static pressure" of the blower/extractor which we are using to extract the fume from the workplace. The blower is connected to duct(metal duct) and at the inlet of duct the fumes are generated .

thank you!! please help
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ansys 19.0, boundary condition, cfd, fluent 19.2

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