modelPartialInternalResistances

Partial model to implement borehole segment internal resistance models
Diagram of PartialInternalResistancesOpen the diagram

Information

Partial model to implement the inner resistance network of a borehole segment.

The partial model uses a thermal port representing a uniform borehole wall for that segment, and at least two other thermal ports (one for each tube going through the borehole segment).

Parameters

TypeNameDefaultDescription
Modelica.Units.SI.LengthhSegLength of the internal heat exchanger
Modelica.Units.SI.TemperatureT_startInitial temperature of the filling material
Data.Borefield.TemplateborFieDatBorefield data
Modelica.Units.SI.ThermalResistanceRgb_valThermal resistance between grout zone and borehole wall
Modelica.Units.SI.ThermalResistanceRCondGro_valThermal resistance between: pipe wall to capacity in grout
Dynamics › Conservation equations
Modelica.Fluid.Types.DynamicsenergyDynamicsModelica.Fluid.Types.Dynamics.DynamicFreeInitialType of energy balance: dynamic (3 initialization options) or steady state

Connectors

TypeNameDefaultDescription
Modelica.Thermal.HeatTransfer.Interfaces.HeatPort_aport_1Thermal connection for pipe 1
Modelica.Thermal.HeatTransfer.Interfaces.HeatPort_aport_wallThermal connection for pipe 2
Modelica.Thermal.HeatTransfer.Interfaces.HeatPort_aport_2Thermal connection for borehole wall

Revisions

  • May 17, 2024, by Michael Wetter:
    Updated model due to removal of parameter dynFil.
    This is for IBPSA, #1885.
  • July 5, 2018, by Alex Laferrière:
    First implementation of partial class.
  • June, 2018, by Damien Picard:
    First implementation.