modelHeatExchanger
Base class for heat exchanger fluid - gas
Parameters
| Type | Name | Default | Description |
|---|
| Integer | N_G | 2 | Number of node of the gas side |
| Integer | Nw_G | N_G - 1 | Number of volumes of the gas side wall |
| Integer | N_F | 2 | Number of node of the fluid side |
| Integer | Nw_F | N_F - 1 | Number of volumes of the fluid side wall |
| Integer | Nt | 1 | Number of tubes in parallel |
| SI.MassFlowRate | gasNomFlowRate | | Nominal flow rate through the gas side |
| SI.MassFlowRate | fluidNomFlowRate | | Nominal flow rate through the fluid side |
| SI.Pressure | gasNomPressure | | Nominal pressure in the gas side inlet |
| SI.Pressure | fluidNomPressure | | Nominal pressure in the fluid side inlet |
| SI.Area | exchSurface_G | | Exchange surface between gas - metal tube |
| SI.Area | exchSurface_F | | Exchange surface between metal tube - fluid |
| SI.Area | extSurfaceTub | | Total external surface of the tubes |
| SI.Volume | gasVol | | Gas volume |
| SI.Volume | fluidVol | | Fluid volume |
| SI.Volume | metalVol | | Volume of the metal part in the tubes |
| Real | rhomcm | | Metal heat capacity per unit volume [J/m^3.K] |
| SI.ThermalConductivity | lambda | | Thermal conductivity of the metal (density by specific heat capacity) |
| Initialization |
| SI.Temperature | Tstartbar_G | | Start value of the average gas temperature |
| SI.Pressure | pstart_G | gasNomPressure | Pressure start value, gas side |
| SI.Temperature | Tstartbar_M | Tstartbar_G - 50 | Start value of the average metal temperature |
| SI.Pressure | pstart_F | 50e5 | Pressure start value, fluid side |
| Boolean | SSInit | false | Steady-state initialization |
FlueGasMedium