AixLib.Fluid.Interfaces.PartialEightPortInterface

# .AixLib.Fluid.Interfaces.PartialEightPortInterface

Partial model with eight ports and declaration of quantities that are used by many models

## Information

This component defines the interface for models with eight fluid ports and four fluid streams. It is similar to AixLib.Fluid.Interfaces.PartialTwoPortInterface, but it has eight ports instead of two.

The model is used by other models in this package that add heat transfer, mass transfer and pressure drop equations.

## Revisions

- September 22, 2023, by Michael Wetter:
  Improved documentation.
  This is for IBPSA, #1796.
- February 3, 2022, by Michael Wetter:
  If `allowFlowReversal==false`, removed `noEvent()` declaration for `sta_a` and for `sta_b` because the variable is either already used with `inStream()` in the computation of `state_*_inflow`, or the result of a variable of the model that already may generate an event.
  This is for IBPSA, #1578.
- February 2, 2022, by Hongxiang Fu:
  If `allowFlowReversal==false`, replaced `actualStream()` with `inStream()` for `sta_a` and removed `actualStream()` for `sta_b`.
  This is for IBPSA, #1578.
- March 30, 2021, by Michael Wetter:
  Added annotation `HideResult=true`.
  This is for IBPSA, #1459.
- July 12, 2019, by Michael Wetter:
  Corrected wrong medium in declaration of `m4_flow`.
- July 2014, by Damien Picard:
  First implementation.

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