modelOw2IwL1IwS1Lf1At1Ro1

2 outer walls, 1 inner wall load, 1 inner wall simple, 1 floor towards lower floor, 1 ceiling towards attic, 1 roof towards outside
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Extends from AixLib.ThermalZones.HighOrder.Rooms.BaseClasses.PartialRoom (Partial model with base component that are necessary for all HOM rooms).

Information

Overview

Model for a room with 2 outer walls, 1 inner wall load, 1 inner wall simple, 1 floor towards lower floor, 1 ceiling towards attic, 1 roof towards outside.

Concept

The following figure presents the room's layout:

Room layout

Parameters

TypeNameDefaultDescription
AixLib.DataBase.Walls.Collections.BaseDataMultiWallswallTypes (from PartialRoomParams)
Air volume of room
Modelica.Units.SI.DensitydenAir (from PartialRoomParams)1.19Density of air
Modelica.Units.SI.SpecificHeatCapacitycAir (from PartialRoomParams)1007Specific heat capacity of air
Modelica.Units.SI.Volumeroom_V (from PartialRoom)
Dynamics
Modelica.Fluid.Types.DynamicsenergyDynamicsWalls (from PartialRoomParams)Modelica.Fluid.Types.Dynamics.DynamicFreeInitialType of energy balance for wall capacities: dynamic (3 initialization options) or steady state
RealmSenFac (from LumpedVolumeDeclarations)1Factor for scaling the sensible thermal mass of the volume
Initialization › Air volume of room
Modelica.Units.SI.TemperatureT0_air (from PartialRoomParams)295.11Air
Initialization › Walls
Modelica.Units.SI.TemperatureTWalls_start (from PartialRoomParams)Modelica.Units.Conversions.from_degC(16)Initial temperature of all walls
Inner walls › Heat convection
AixLib.ThermalZones.HighOrder.Components.Types.CalcMethodConvectiveHeatTransferInsideSurfacecalcMethodIn (from PartialRoomParams)AixLib.ThermalZones.HighOrder.Components.Types.CalcMethodConvectiveHeatTransferInsideSurface.EN_ISO_6946_Appendix_ACalculation method of convective heat transfer coefficient at inside surface
Modelica.Units.SI.CoefficientOfHeatTransferhConIn_const (from PartialRoomParams)2.5Custom convective heat transfer coefficient (just for manual selection, not recommended)
Inner walls › Longwave radiation
AixLib.ThermalZones.HighOrder.Components.Types.CalcMethodRadiativeHeatTransferradLongCalcMethod (from PartialRoomParams)AixLib.ThermalZones.HighOrder.Components.Types.CalcMethodRadiativeHeatTransfer.No_approxCalculation method for longwave radiation heat transfer
Modelica.Units.SI.TemperatureT_ref (from PartialRoomParams)Modelica.Units.Conversions.from_degC(16)Reference temperature for optional linearization of longwave radiation
Outer walls › Windows
DataBase.WindowsDoors.Simple.OWBaseDataDefinition_SimpleType_Win (from PartialRoomParams)Window parametrization
Outer walls › Solar absorptance
Realsolar_absorptance_OW (from PartialRoomParams)0.6Solar absoptance outer walls
Outer walls › Heat convection
AixLib.ThermalZones.HighOrder.Components.Types.CalcMethodConvectiveHeatTransfercalcMethodOut (from PartialRoomParams)AixLib.ThermalZones.HighOrder.Components.Types.CalcMethodConvectiveHeatTransfer.DIN_6946Calculation method for convective heat transfer coefficient
DataBase.Surfaces.RoughnessForHT.PolynomialCoefficients_ASHRAEHandbooksurfaceType (from PartialRoomParams)DataBase.Surfaces.RoughnessForHT.Brick_RoughPlaster()Surface type of outside wall
Modelica.Units.SI.CoefficientOfHeatTransferhConOut_const (from PartialRoomParams)25Custom convective heat transfer coefficient (just for manual selection, not recommended)
Outer walls › Sunblind
Booleanuse_sunblind (from PartialRoomParams)falseWill sunblind become active automatically?
RealratioSunblind (from PartialRoomParams)0.8Sunblind factor. 1 means total blocking of irradiation, 0 no sunblind
Modelica.Units.SI.IrradiancesolIrrThreshold (from PartialRoomParams)350Threshold for global solar irradiation on this surface to enable sunblinding (see also TOutAirLimit)
Modelica.Units.SI.TemperatureTOutAirLimit (from PartialRoomParams)293.15Temperature at which sunblind closes (see also solIrrThreshold)
Infiltration acc. to EN 12831 (airtightness)
Booleanuse_infiltEN12831 (from PartialRoomParams)falseUse model to exchange room air with outdoor air acc. to standard
Realn50 (from PartialRoomParams)4Air exchange rate at 50 Pa pressure difference
Reale (from PartialRoomParams)0.03Coefficient of windshield
Realeps (from PartialRoomParams)1.0Coefficient of height
Dynamic ventilation
BooleanwithDynamicVentilation (from PartialRoomParams)falseDynamic ventilation
Modelica.Units.SI.TemperatureHeatingLimit (from PartialRoomParams)288.15Outside temperature at which the heating activates
RealMax_VR (from PartialRoomParams)10Maximal ventilation rate
Modelica.Units.SI.TemperatureDifferenceDiff_toTempset (from PartialRoomParams)2Difference to set temperature
Modelica.Units.SI.TemperatureTset (from PartialRoomParams)295.15Tset
Dynamics › Conservation equations
Modelica.Fluid.Types.DynamicsenergyDynamics (from LumpedVolumeDeclarations)Modelica.Fluid.Types.Dynamics.DynamicFreeInitialType of energy balance: dynamic (3 initialization options) or steady state
Modelica.Fluid.Types.DynamicssubstanceDynamics (from LumpedVolumeDeclarations)energyDynamicsType of independent mass fraction balance: dynamic (3 initialization options) or steady state
Modelica.Fluid.Types.DynamicstraceDynamics (from LumpedVolumeDeclarations)energyDynamicsType of trace substance balance: dynamic (3 initialization options) or steady state
Advanced › Dynamics
Modelica.Fluid.Types.DynamicsmassDynamics (from LumpedVolumeDeclarations)energyDynamicsType of mass balance: dynamic (3 initialization options) or steady state, must be steady state if energyDynamics is steady state
Initialization
Medium.AbsolutePressurep_start (from LumpedVolumeDeclarations)Medium.p_defaultStart value of pressure
Medium.TemperatureT_start (from LumpedVolumeDeclarations)Medium.T_defaultStart value of temperature
Medium.MassFraction[Medium.nX]X_start (from LumpedVolumeDeclarations)Medium.X_defaultStart value of mass fractions m_i/m
Medium.ExtraProperty[Medium.nC]C_start (from LumpedVolumeDeclarations)fill(0, Medium.nC)Start value of trace substances
Medium.ExtraProperty[Medium.nC]C_nominal (from LumpedVolumeDeclarations)fill(1E-2, Medium.nC)Nominal value of trace substances. (Set to typical order of magnitude.)
General › Ports
IntegernPorts (from PartialRoom)0Number of fluid ports
Trace Substances
Booleanuse_C_flow (from PartialRoom)falseSet to true to enable trace substances in the rooms air
Booleanuse_C_flow_input (from PartialRoom)trueSet to true to use an input connector for the trace substances. False indicates internal calculation
Moist Air
Booleanuse_moisture_balance (from PartialRoom)falseSet to true to enable moisture gain balance in the rooms air
Dimensions
Modelica.Units.SI.Lengthroom_length2length
Modelica.Units.SI.Lengthroom_width_long2w1
Modelica.Units.SI.Lengthroom_width_short2w2
Modelica.Units.SI.Heightroom_height_long2h1
Modelica.Units.SI.Heightroom_height_short2h2
Modelica.Units.SI.Lengthroof_width2wRO
Windows and Doors
BooleanwithWindow2trueWindow 2
Modelica.Units.SI.Areawindowarea_OW20Window area
BooleanwithWindow3trueWindow 3
Modelica.Units.SI.Areawindowarea_RO0Window area
BooleanwithDoor2trueDoor 2
Modelica.Units.SI.Lengthdoor_width_OD20width
Modelica.Units.SI.Lengthdoor_height_OD20height
RealU_door_OD22.5U-value
Realeps_door_OD20.95eps
Outer wall properties
Realsolar_absorptance_RO0.25Solar absoptance roof

Connectors

TypeNameDefaultDescription
Modelica.Thermal.HeatTransfer.Interfaces.HeatPort_athermRoom (from PartialRoom)
Utilities.Interfaces.RadPortstarRoom (from PartialRoom)
Modelica.Blocks.Interfaces.RealInputAirExchangePort (from PartialRoom)
Modelica.Fluid.Vessels.BaseClasses.VesselFluidPorts_b[nPorts]ports (from PartialRoom)Auxiliary fluid inlets and outlets to indoor air volume
Modelica.Blocks.Interfaces.RealInput[Medium.nC]C_flow (from PartialRoom)Trace substance mass flow rate added to the medium
Modelica.Blocks.Interfaces.RealInputventHum (from PartialRoom)absolute humidity of ventilation air
Modelica.Blocks.Interfaces.RealInputQLat_flow (from PartialRoom)Latent heat gains for the room
Modelica.Thermal.HeatTransfer.Interfaces.HeatPort_athermOutside (from PartialRoom)
Modelica.Thermal.HeatTransfer.Interfaces.HeatPort_athermInsideWall2
Modelica.Thermal.HeatTransfer.Interfaces.HeatPort_athermInsideWall1
Modelica.Blocks.Interfaces.RealInputWindSpeedPort
Utilities.Interfaces.SolarRad_inSolarRadiationPort_OW1
Utilities.Interfaces.SolarRad_inSolarRadiationPort_OW2
Modelica.Thermal.HeatTransfer.Interfaces.HeatPort_athermCeiling
Utilities.Interfaces.SolarRad_inSolarRadiationPort_Roof
Modelica.Thermal.HeatTransfer.Interfaces.HeatPort_athermFloor

Components

TypeNameDefaultDescription
Components.DryAir.InfiltrationRate_DIN12831infiltrationRate (from PartialRoom)
Utilities.Interfaces.Adaptors.ConvRadToCombPortthermStar_Demux (from PartialRoom)
Components.MoistAir.VarMoistAirExchangeNaturalVentilation (from PartialRoom)
Components.DryAir.DynamicVentilationdynamicVentilation (from PartialRoom)
Modelica.Thermal.HeatTransfer.Sensors.TemperatureSensorTair (from PartialRoom)
Fluid.MixingVolumes.MixingVolumeMoistAirairload (from PartialRoom)Indoor air volume
AixLib.ThermalZones.HighOrder.Components.Walls.Walloutside_wall1
AixLib.ThermalZones.HighOrder.Components.Walls.Walloutside_wall2
AixLib.ThermalZones.HighOrder.Components.Walls.Wallinside_wall1
AixLib.ThermalZones.HighOrder.Components.Walls.Wallinside_wall2
AixLib.ThermalZones.HighOrder.Components.Walls.WallCeiling
AixLib.ThermalZones.HighOrder.Components.Walls.Wallfloor
AixLib.ThermalZones.HighOrder.Components.Walls.Wallroof

Revisions

  • April 23, 2020 by Philipp Mehrfeld:
    #752: Propagate all parameters correctly. Extend from new partial room model. Delete TIR and TMC. Tidy up.
  • April 18, 2014 by Ana Constantin:
    Added documentation
  • July 8, 2011 by Ana Constantin:
    Implemented