Modeling > Modeling Flow and Energy > Boundary Conditions Formulation > Flow-Split Outlet

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Flow-Split Outlet

Velocity

The flow velocity at a flow-split outlet boundary i is given by:

(135)

where is the velocity extrapolated from the adjacent cell value using reconstruction gradients and the vector is the outward-pointing normal. is a scale factor computed for outlet boundary i as follows:

(136)

where is the specified fraction of the flow leaving outlet i, and is the total inlet flow, defined as:

(137)

and is the (unscaled) outlet mass flow rate through outlet i:

(138)
Pressure

The boundary face pressure is extrapolated from the adjacent cell using reconstruction gradients.

Temperature

The boundary face temperature is extrapolated from the adjacent cell using reconstruction gradients.

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