modelHeatConduction3DWithTube
Model for 3D heat conduction of a body with a integrated tube model in x dimension
Extends from BuildingSystems.Fluid.Interfaces.PartialTwoPortInterface (Partial model with two ports and declaration of quantities that are used by many models).
Information
This model describes the 3D heat conduction of a body with a integrated tube model in x dimension.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| BuildingSystems.HAM.Data.MaterialProperties.BaseClasses.MaterialThermalGeneral | material | Material around the tube | |
| Modelica.Units.SI.ThermalConductivity | lambdaTube | Heat conductivity of tube wall | |
| Integer | nNodesTube | 1 | Number of volume nodes of the integrated tube |
| Assumptions | |||
| Boolean | allowFlowReversal (from PartialTwoPort) | true | = false to simplify equations, assuming, but not enforcing, no flow reversal |
| Nominal condition | |||
| Modelica.Units.SI.MassFlowRate | m_flow_nominal (from PartialTwoPortInterface) | Nominal mass flow rate | |
| Advanced | |||
| Modelica.Units.SI.MassFlowRate | m_flow_small (from PartialTwoPortInterface) | 1E-4*abs(m_flow_nominal) | Small mass flow rate for regularization of zero flow |
| Advanced › Diagnostics | |||
| Boolean | show_T (from PartialTwoPortInterface) | false | = true, if actual temperature at port is computed |
| General › Geometry | |||
| Modelica.Units.SI.Length | lengthX | Length in x dimension | |
| Modelica.Units.SI.Length | lengthY | Length in y dimension | |
| Modelica.Units.SI.Length | lengthZ | Length in z dimension | |
| Modelica.Units.SI.Length | diameterTube | Inside tube diameter | |
| Modelica.Units.SI.Length | thicknessTube | Thickness of tube wall | |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Fluid.Interfaces.FluidPort_a | port_a (from PartialTwoPort) | Fluid connector a (positive design flow direction is from port_a to port_b) | |
| Modelica.Fluid.Interfaces.FluidPort_b | port_b (from PartialTwoPort) | Fluid connector b (positive design flow direction is from port_a to port_b) | |
| BuildingSystems.Interfaces.HeatPort | heatPort_x1 | ||
| BuildingSystems.Interfaces.HeatPort | heatPort_x2 | ||
| BuildingSystems.Interfaces.HeatPort | heatPort_y2 | ||
| BuildingSystems.Interfaces.HeatPort | heatPort_y1 | ||
| BuildingSystems.Interfaces.HeatPort | heatPort_z1 | ||
| BuildingSystems.Interfaces.HeatPort | heatPort_z2 |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Units.SI.MassFlowRate | m_flow (from PartialTwoPortInterface) | port_a.m_flow | Mass flow rate from port_a to port_b (m_flow > 0 is design flow direction) |
| Modelica.Units.SI.PressureDifference | dp (from PartialTwoPortInterface) | port_a.p - port_b.p | Pressure difference between port_a and port_b |
| Medium.ThermodynamicState | sta_a (from PartialTwoPortInterface) | if allowFlowReversal then Medium.setState_phX(port_a.p, noEvent(actualStream(port_a.h_outflow)), noEvent(actualStream(port_a.Xi_outflow))) else Medium.setState_phX(port_a.p, noEvent(inStream(port_a.h_outflow)), noEvent(inStream(port_a.Xi_outflow))) | Medium properties in port_a |
| Medium.ThermodynamicState | sta_b (from PartialTwoPortInterface) | if allowFlowReversal then Medium.setState_phX(port_b.p, noEvent(actualStream(port_b.h_outflow)), noEvent(actualStream(port_b.Xi_outflow))) else Medium.setState_phX(port_b.p, noEvent(port_b.h_outflow), noEvent(port_b.Xi_outflow)) | Medium properties in port_b |
| BuildingSystems.HAM.HeatConduction.HeatConduction3D | heaCon | ||
| BuildingSystems.Fluid.FixedResistances.Pipe | tube |
Revisions
-
May 23, 2015 by Christoph Nytsch-Geusen:
First implementation.