modelHeatFlow_SolarThermal
Heat flow boundary with h_in and Q_flow_collector as input to be used in SolarCollector
Extends from TransiEnt.Basics.Icons.HeatSink (Icon for heat sinks).
Information
1. Purpose of model
Boundary model that transmits the generated solar thermal energy to the heat carrier fluid.
2. Level of detail, physical effects considered, and physical insight
(no remarks)
3. Limits of validity
(no remarks)
4. Interfaces
(no remarks)
5. Nomenclature
(no remarks)
6. Governing Equations
(no remarks)
7. Remarks for Usage
None.
8. Validation
(no remarks)
9. References
(none)
10. Version History
Model created by Anne Hagemeier (anne.hagemeier@umsicht.fraunhofer.de), Sept 2020 (removed formulas from SolarCollector_L1_constProp and moved them into this submodel to allow for fluidports to be removed)
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| SI.Density | d | 985.269 | Density of medium |
| Pressure drop | |||
| Integer | n_serial | 1 | Number of collectors in series (max. 12) |
| Real | a | 0 | Linear pressure drop coefficient |
| Real | b | 0 | Quadratic pressure drop coefficient |
| SI.Height | z1 | 0 | Height inlet |
| SI.Height | z2 | 0 | Height outlet |
| Boolean | noFriction | true | true = assume no pressure loss due to friction |
| General › General | |||
| Boolean | useHomotopy | simCenter.useHomotopy | true = homotopy method is used during initialisation |
| TILMedia.VLEFluidTypes.BaseVLEFluid | medium | simCenter.fluid1 | |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Basics.Interfaces.Thermal.FluidPortOut | waterPortOut | ||
| Basics.Interfaces.Thermal.FluidPortIn | waterPortIn | ||
| Modelica.Blocks.Interfaces.RealOutput | Q_flow_out |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| TransiEnt.SimCenter | simCenter | ||
| SI.HeatFlowRate | Q_flow_collector | Heat flow provided by solar collector | |
| Modelica.Units.SI.SpecificEnthalpy | h_in | Enthalpy of the medium flowing into the collector |