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Back Mix is used for mixing streams.
Given the outlet flow and the inlet stream flows (n-1) the Back_Mix will calculate the flow in the specified inlet stream.
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Data Description
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Data |
Unit |
Description |
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Set |
Item |
Type |
Native |
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Equipment Properties |
Set In1 Flow |
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Inlet stream whose flow is back-calculated. |
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Set In2 Flow |
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Inlet stream whose flow is back-calculated. |
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Set In3 Flow |
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Inlet stream whose flow is back-calculated. |
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Set In4 Flow |
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Inlet stream whose flow is back-calculated. |
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Set In5 Flow |
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Inlet stream whose flow is back-calculated. |
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Outlet Pressure |
Pressure |
psia |
Specified outlet pressure. If this is not specified, the Back_Mix sets the outlet pressure
to the minimum of the inlet pressures. |
The model calculates the inlet flow in the specified inlet stream.
Specified Steam Inlet Flow = Outlet Flow-(Sum of the Steam Inlets Flows)
The model also calculates the flow outlet temperature at a specified outlet pressure.
The outlet pressure is the minimum of the inlet pressures if the outlet pressure
is not specified.
Outlet flow is zero!
Solution: set the outlet flow on the stream.
Variable inlet stream is zero!
Solution: set the input flow in the stream.
Missing Stream(s)!
Solution: check if all streams are connected to the equipment.
Calculation failed! Variable inlet stream flow set to minimum!
Solution: increase the outlet flow or decrease the inlet streams.
Warnings
Errors