modelMultiLayerThermalDelta
multi layers of heat exchanger
Extends from AixLib.Fluid.Interfaces.PartialTwoPortInterface, AixLib.Fluid.Interfaces.LumpedVolumeDeclarations.
Information
Overview
Model of the multi layers of heat exchanger. From the water flow is the convective and radiative heat output calculated.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Units.SI.Mass | M_Radiator | Mass of radiator | |
| calcT.Temp | calc_dT | Select calculation method of excess temperature | |
| Modelica.Units.SI.Volume | Vol_Water | Water volume inside layer | |
| Real | s_eff | Type[1] | Radiative coefficient |
| Real | Q_dot_nom_i | Nominal power of single layer | |
| Real | dT_nom | Nominal access temperature | |
| Real | delta_nom | Nominal Radiation temperature | |
| Modelica.Units.SI.Emissivity | eps | Emissivity | |
| Modelica.Units.SI.Area | A | Area of radiator layer | |
| Modelica.Units.SI.Length | d | Thickness of radiator wall | |
| Geometry and Material › Geometry | |||
| AixLib.Fluid.HeatExchangers.Radiators.BaseClasses.RadiatorTypes.RadiatorType | Type | Type of radiator | |
| Real | n | Radiator exponent | |
| Modelica.Units.SI.Length | length | Length of radiator, in m | |
| Geometry and Material › Material | |||
| Modelica.Units.SI.Density | DensitySteel | DensitySteel | Specific density of steel, in kg/m3 |
| Modelica.Units.SI.SpecificHeatCapacity | CapacitySteel | CapacitySteel | Specific heat capacity of steel, in J/kgK |
| Modelica.Units.SI.ThermalConductivity | LambdaSteel | LambdaSteel | Thermal conductivity of steel, in W/mK |
| Initialization › Solid material | |||
| Modelica.Fluid.Types.Dynamics | initDynamicsWall | Modelica.Fluid.Types.Dynamics.DynamicFreeInitial | Like energyDynamics, but SteadyState leeds to same behavior as DynamicFreeInitial |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| AixLib.Utilities.Interfaces.RadPort | radiative | ||
| Modelica.Thermal.HeatTransfer.Interfaces.HeatPort_a | convective | ||
| Utilities.HeatTransfer.HeatToRad | twoStar_RadEx | ||
| AixLib.Fluid.HeatExchangers.Radiators.BaseClasses.HeatConvRadiator | heatConv_Radiator | ||
| AixLib.Fluid.HeatExchangers.Radiators.BaseClasses.RadiatorWall | radiator_wall | ||
| AixLib.Fluid.MixingVolumes.MixingVolume | Volume |
Revisions
-
October, 2016 by Peter Remmen:
Transfer to AixLib. -
October 7, 2013 by Ole Odendahl:
Added documentation and formatted appropriately