modelSingleCircuitMultipleCircuitEpsilonNTU

Model that tests the radiant slab with multiple parallel circuits and epsilon-NTU configuration
Diagram of SingleCircuitMultipleCircuitEpsilonNTUOpen the diagram
▶ Simulate in your browser

Extends from Modelica.Icons.Example (Icon for runnable examples).

Information

This model is identical to Buildings.Fluid.HeatExchangers.RadiantSlabs.Examples.SingleCircuitMultipleCircuitFiniteDifference except that the number of segments in the slab is set to 1 and the heat transfer between the fluid and the slab is computed using an epsilon-NTU model.

Parameters

TypeNameDefaultDescription
Modelica.Units.SI.MassFlowRatem_flow_nominal0.167Nominal mass flow rate for each circuit
Modelica.Units.SI.AreaA10Heat transfer area for each circuit
HeatTransfer.Data.OpaqueConstructions.GenericlayersMaterial layers from surface a to b (8cm concrete, 5 cm insulation, 20 cm reinforced concrete)
Data.Pipes.PEX_RADTESTpipePipe material
IntegernCir2Number of parallel circuits for slab 3

Components

TypeNameDefaultDescription
Sources.Boundary_phsinSink
Modelica.Blocks.Sources.Pulsepulse
Buildings.Fluid.HeatExchangers.RadiantSlabs.SingleCircuitSlabsla1Slabe with embedded pipes
Modelica.Thermal.HeatTransfer.Sources.FixedTemperatureTAboAir temperature above the slab
Modelica.Thermal.HeatTransfer.Sources.FixedTemperatureTBelRadiant temperature below the slab
Modelica.Thermal.HeatTransfer.Components.ThermalConductorconAbo1Combined convection and radiation resistance above the slab
Modelica.Thermal.HeatTransfer.Components.ThermalConductorconBel1Combined convection and radiation resistance below the slab
Modelica.Thermal.HeatTransfer.Components.ThermalConductorconAbo2Combined convection and radiation resistance above the slab
Buildings.Fluid.HeatExchangers.RadiantSlabs.SingleCircuitSlabsla2Slabe with embedded pipes
Modelica.Thermal.HeatTransfer.Components.ThermalConductorconBel2Combined convection and radiation resistance below the slab
Modelica.Thermal.HeatTransfer.Components.ThermalConductorconBel3Combined convection and radiation resistance below the slab
ParallelCircuitsSlabsla3Slabe with embedded pipes
Modelica.Thermal.HeatTransfer.Components.ThermalConductorconAbo3Combined convection and radiation resistance above the slab
Sensors.TemperatureTwoPortsenTem1Temperature sensor
Sensors.TemperatureTwoPortsenTem2Temperature sensor
Sensors.TemperatureTwoPortsenTem3Temperature sensor
Sources.Boundary_pTsouSource

Contents

NameDescription
Medium

Revisions

  • December 22, 2014 by Michael Wetter:
    Removed Modelica.Fluid.System to address issue #311.
  • October 7, 2014, by Michael Wetter:
    First implementation.