AixLib.Controls.HVACAgentBasedControl.CostFunctions.Exergy.MixingValveAndHEX_ExergyDestruction_Simplified

# .AixLib.Controls.HVACAgentBasedControl.CostFunctions.Exergy.MixingValveAndHEX_ExergyDestruction_Simplified

## Information

#### Overview

- This model determines the exergy destruction of a mixing valve and a heat exchanger based on the inputs of the component.
- It is used together with an IntermediateAgent.

#### Concept

Instead of a calculation with the help of inflowing and outflowing enthaplies, this cost function calculates the exergy product based on a heat flux. The estimation of the average temperature of the heat flux causes a small uncertainty compared to the other approach. However, this cost function leads to a more stable and reliable simulation. Details can be found in the reference.

#### References

- Felix Bünning. Development of a Modelica-library for agent-based control of HVAC systems. Bachelor thesis, 2016, RWTH Aachen University, Aachen, Germany.

## Revisions

- October 2015, by Felix Bünning: Developed and implemented
- December 2016, by Roozbeh Sangi:
  revised

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