
modelVolumeATh
Mixing volume with 2 inlets and 2 outlets and thermal input

Information
## Copyright © EDF 2002 - 2026
## ThermoSysPro Version 4.2
This component model is documented in Sect. 14.1 of the ThermoSysPro book.
# Volume ATh
This component is a volume with two inputs, two outputs and a thermal port.
Nomenclature and governing equations can be found on the generic [volume](modelica://ThermoSysPro.WaterSteam.Volumes.VolumeZ) page.
## Modelica component model
This component has 5 connectors:
- Ce1: fluid input,
- Ce2: fluid input,
- Cs1: fluid output,
- Cs2: fluid output,
- Cth: thermal port.

## References
El Hefni, Baligh and Bouskela, Daniel (2019). [Modeling and Simulation of Thermal Power Plants with ThermoSysPro](https://link.springer.com/book/10.1007/978-3-030-05105-1), sect. 14.1. Springer Nature Switzerland AG.
Parameters
| Type | Name | Default | Description |
| Units.SI.Volume | V | 1 | Volume |
| Units.SI.AbsolutePressure | P0 | 1e5 | Initial fluid pressure (active if dynamic_mass_balance=true and steady_state=false) |
| Units.SI.SpecificEnthalpy | h0 | 1e5 | Initial fluid specific enthalpy (active if steady_state=false) |
| Boolean | dynamic_mass_balance | false | true: dynamic mass balance equation - false: static mass balance equation |
| Boolean | steady_state | true | true: start from steady state - false: start from (P0, h0) |
| Integer | fluid | 1 | 1: water/steam - 2: C3H3F5 |
| Units.SI.Density | p_rho | 0 | If > 0, fixed fluid density |
| Integer | mode | 0 | IF97 region. 1:liquid - 2:steam - 4:saturation line - 0:automatic |
Revisions
Author
Daniel Bouskela