AixLib.Fluid.Examples.Performance.Example4

# .AixLib.Fluid.Examples.Performance.Example4

Example 4 model of simple condensing heat exchanger

## Information

This example generates a non-linear algebraic loop that consists of 12 equations before manipulation. This loop can be decoupled and removed by changing the equation

    port_a.m_flow + port_b.m_flow = -mWat_flow;

in AixLib.Fluid.Interfaces.StaticTwoPortConservationEquation to

    port_a.m_flow + port_b.m_flow = 0;

See Jorissen et al. (2015) for a discussion.

#### References

- Filip Jorissen, Michael Wetter and Lieve Helsen.
  Simulation speed analysis and improvements of Modelica models for building energy simulation.
  Submitted: 11th Modelica Conference. Paris, France. Sep. 2015.

## Contents

Name | Description
--- | ---
Medium |

## Revisions

- April 12, 2017, by Michael Wetter:
  Removed connection that is no longer needed.
  This is for issue Buildings #704.
- July 28, 2015, by Michael Wetter:
  Moved assignment of `m_condens` from equation section to declaration to avoid graphical and textual equations.
- July 14, 2015, by Michael Wetter:
  Revised documentation.
- April 17, 2015, by Filip Jorissen:
  First implementation.

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