modelInternalResistancesTwoUTube
Validation of InternalResistancesTwoUTube
Extends from Modelica.Icons.Example (Icon for runnable examples).
Information
This example tests the implementation of Buildings.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.InternalResistancesTwoUTube for the dynamic behavior of the filling material in a double U-tube borehole.Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Integer | nSeg | 10 | Number of segments to use in vertical discretization of the boreholes |
| Modelica.Units.SI.Length | hSeg | borFieDat.conDat.hBor/nSeg | Length of the internal heat exchanger |
| Modelica.Units.SI.ThermalResistance | Rgb_val | 0.572601 | Grout node to borehole wall thermal resistance |
| Modelica.Units.SI.ThermalResistance | Rgg1_val | 0.0406121 | Grout node to grout node thermal resistance |
| Modelica.Units.SI.ThermalResistance | Rgg2_val | 0.216904 | Thermal resistance between two grout nodes opposite to each other |
| Modelica.Units.SI.ThermalResistance | RCondGro_val | 0.195099 | Pipe to grout node thermal resistance |
| Modelica.Units.SI.Temperature | T_start | 298.15 | Initial temperature |
| Buildings.Fluid.Geothermal.Borefields.Data.Borefield.Example | borFieDat | Borefield data |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Buildings.HeatTransfer.Sources.FixedTemperature | TWal | Borehole wall temperature | |
| Buildings.HeatTransfer.Sources.FixedTemperature | TPip2 | Wall temperature of pipe 2 | |
| Buildings.HeatTransfer.Sources.PrescribedTemperature | TPip1 | Wall temperature of pipe 1 | |
| Modelica.Blocks.Sources.Ramp | T_ramp | Temperature ramp of pipe 1 | |
| Buildings.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.InternalResistancesTwoUTube | intRes2UTub | Thermal resistance and capacitances of the borehole | |
| Buildings.HeatTransfer.Sources.FixedTemperature | TPip3 | Wall temperature of pipe 2 | |
| Buildings.HeatTransfer.Sources.FixedTemperature | TPip4 | Wall temperature of pipe 2 |
Revisions
-
July 19, 2018, by Massimo Cimmino:
First implementation.