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boundary condition at outlet for microchannel flow

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Old   February 6, 2015, 15:54
Default boundary condition at outlet for microchannel flow
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joseph
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Hi all, i have just started studying ansys fluent. what i have to find is the pressure drop in a microchannel with a specified inlet velocity and length of pipe alone. Nothing is known about outlet conditions. the outlet pressure need not be atmospheric. In such a case what should be my outlet boundary condition?
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