modelStaticWallFlueGasesExchanger
Static wall/flue gases exchanger
Information
## Copyright © EDF 2002 - 2026 ## ThermoSysPro Version 4.2
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Integer | Ns | 1 | Number of segments |
| Integer | NbTub | 100 | Number of pipes |
| Real | DPc | 0 | Pressure loss coefficient |
| Units.SI.Length | L | 2 | Exchanger length |
| Units.SI.Diameter | Dext | 0.022 | External pipe diameter |
| Units.SI.PathLength | step_L | 0.033 | Longitudinal length step |
| Units.SI.PathLength | step_T | 0.066 | Transverse length step |
| Units.SI.Area | St | 100 | Cross-sectional area |
| Units.SI.Area | Surf_ext | pi*Dext*Ls*NbTub*CSailettes | Heat exchange surface for one section |
| Real | Encras | 1.00 | Corrective term for the heat exchange coefficient |
| Real | Fa | 0.7 | Fouling factor (0.3 - 1.1) |
| Units.SI.MassFlowRate | Qmin | 1e-3 | Minimum flue gases mass flow rate |
| Integer | exchanger_type | 1 | Exchanger type - 1:crossed flux - 2:longitudinal flux |
| Units.SI.Temperature | Tp0 | 500 | Wall temperature (active if the thermal connector is not connected) |
| Real | CSailettes | 1 | Increase factor of the heat exchange surface to to the fins |
| Real | Coeff | 1 | Corrective coeffeicient |
| Units.SI.Density | p_rho | 0 | If > 0, fixed fluid density |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| ThermoSysPro.FlueGases.Connectors.FlueGasesInlet | C1 | ||
| ThermoSysPro.Thermal.Connectors.ThermalPort[Ns] | CTh | ||
| ThermoSysPro.FlueGases.Connectors.FlueGasesOutlet | C2 |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Units.SI.Density | rho | Flue gases density | |
| Units.SI.Temperature[Ns + 1] | T | Flue gases temperature at the inlet of section i | |
| Units.SI.Temperature[Ns] | Tm | Average flue gases temperature in section i | |
| Units.SI.SpecificEnthalpy[Ns + 1] | h | Flue gases specific enthalpy at the inlet of section i | |
| Units.SI.Temperature[Ns] | Tp | Wall temperature | |
| Units.SI.AbsolutePressure | Pe | Flue gases partial pressure at the inlet | |
| Units.SI.AbsolutePressure | Pco2 | CO2 partial pressure | |
| Units.SI.AbsolutePressure | Ph2o | H2O partial pressure | |
| Real | Xh2o | H2O mass fraction | |
| Real | Xco2 | CO2 mass fraction | |
| Real | Xn2 | N2 mass fraction | |
| Real | Xvh2o | H2O volume fraction | |
| Real | Xvco2 | CO2 volume fraction | |
| Real | Xvo2 | O2 volume fraction | |
| Real | Xvn2 | N2 volume fraction | |
| Real | Xvso2 | SO2 volume fraction | |
| Units.SI.MassFlowRate | Q | Flue gases mass flow rate | |
| Units.SI.CoefficientOfHeatTransfer | K | Total heat exchange coefficient | |
| Units.SI.CoefficientOfHeatTransfer | Kc | Convective heat exchange coefficient | |
| Units.SI.CoefficientOfHeatTransfer | Kr | Radiative heat exchange coefficient | |
| Units.SI.CoefficientOfHeatTransfer[Ns] | Kcc | Intermedaite variable for the computation of the convective heat exchange coefficient | |
| Units.SI.CoefficientOfHeatTransfer[Ns] | Krr | Intermedaite variable for the computation of the radiative heat exchange coefficient | |
| Units.SI.Power[Ns] | dW | Power exchange between the wall and the fluid in each section | |
| Units.SI.Power | W | Total power exchanged | |
| ThermoSysPro.Units.SI.TemperatureDifference[Ns] | DeltaT | Temperature difference between the fluid and the wall | |
| Units.SI.Temperature[Ns] | TFilm | Film temperature | |
| Real | Mmt | Total flue gases molar mass |
Revisions
Author Baligh El Hefni