modelZoneTemplateAirvolumeMixed
Template model for a thermal zone with fully mixed air volume
Extends from BuildingSystems.Buildings.BaseClasses.ZoneTemplateGeneral (Template model of a thermal zone).
Information
This is a template model for a thermal zone with fully mixed air volume.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Geometry › Zone geometry | |||
| BuildingSystems.Buildings.Types.GeometryType | geometryType (from ZoneTemplateGeneral) | BuildingSystems.Buildings.Types.GeometryType.Fixed | Fixed (default) or flexible geometry |
| Modelica.Units.SI.Volume | V (from ZoneTemplateGeneral) | 1.0 | Air volume of the zone (if geometryType == Fixed) |
| Modelica.Units.SI.Length[3] | position (from ZoneTemplateGeneral) | {0.0, 0.0, 0.0} | Position (if geometryType == Fixed) |
| General › Air change | |||
| Modelica.Units.SI.Length | height (from ZoneTemplateGeneral) | 1.0 | Vertical height of the zone |
| Boolean | prescribedAirchange (from ZoneTemplateGeneral) | true | True: zone air change rate is prescribed by zone ambience; false: air path calculation |
| Modelica.Units.SI.Length[nAirpathsInternal] | heightAirpath | fill(0.0, nAirpathsInternal) | Vertical height of each air path in the zone |
| Advanced › Convection model on building facades | |||
| BuildingSystems.HAM.ConvectiveHeatTransfer.Types.Convection | convectionOnSurfaces (from ZoneTemplateGeneral) | BuildingSystems.HAM.ConvectiveHeatTransfer.Types.Convection.const | Type of convection calculation of the zone surfaces |
| Modelica.Units.SI.SurfaceCoefficientOfHeatTransfer | alphaConstant (from ZoneTemplateGeneral) | 1.0 | Convective heat transfer coefficient for simplified calculations |
| General › Ports | |||
| Integer | nMoistureSources (from ZoneTemplateGeneral) | 0 | Number of internal moisture sources of the thermal zone |
| Integer | nConstructions (from ZoneTemplateGeneral) | 0 | Number of constructions |
| Integer | nAirpaths (from ZoneTemplateGeneral) | 0 | Number of external air paths |
| Geometry › View Factors | |||
| BuildingSystems.Buildings.Types.ViewFactorCalculationType | viewFacCalcType (from ZoneTemplateGeneral) | BuildingSystems.Buildings.Types.ViewFactorCalculationType.AreaWeighted | Surface area weighted (default), geometric view factors or external calculated view factors |
| BuildingSystems.Types.ViewFactor[nSurfaces,nSurfaces] | ViewFac (from ZoneTemplateGeneral) | fill(fill(0.0, nSurfaces), nSurfaces) | Geometric view factor matrix of the thermal zone |
| General › Ideal heating and cooling | |||
| Modelica.Units.SI.HeatFlowRate | Q_flow_heatingMax | Modelica.Constants.inf | Maximal power for ideal heating |
| Modelica.Units.SI.HeatFlowRate | Q_flow_coolingMax | -Modelica.Constants.inf | Maximal power for ideal cooling |
| Real | radiationportionIdealHeating | 0.5 | Radiation portion of the ideal heating |
| Real | radiationportionIdealCooling | 0.5 | Radiation portion of the ideal cooling |
| Boolean | calcIdealLoads | true | True: calculation of the ideal heating and cooling loads; false: no calculation |
| General › Heat and moisture sources | |||
| Boolean | heatSources | false | True: heat sources present; false: no heat sources present |
| Integer | nHeatSources | 0 | Number of internal heat sources of the thermal zone |
| Boolean | moistureSources | false | True: moisture source present; false: no moisture source present |
| Advanced › Thermal comfort | |||
| Boolean | calcThermalComfort | false | true: PMV and PPD calculated, false: no thermal comfort assessment |
| Real | clo | 0.5 | Clothing |
| Real | met | 1.2 | Metabolism rate |
| Modelica.Units.SI.Velocity | vAir | 0.1 | Mean relative air velocity in the area of user presence |
| Initialization | |||
| Modelica.Units.SI.Temperature | T_start | 293.15 | Start air temperature of the zone |
| Modelica.Units.SI.MassFraction | x_start | 0.005 | Start air moisture of the zone |
| Advanced › Data source | |||
| BuildingSystems.Buildings.Types.DataSource | TAirSou | BuildingSystems.Buildings.Types.DataSource.Calculation | Data source for air temperature |
| Modelica.Units.SI.Temperature | TAir_constant | 293.15 | Constant air temperature (used if TAirSou=Parameter) |
| BuildingSystems.Buildings.Types.DataSource | xAirSou | BuildingSystems.Buildings.Types.DataSource.Calculation | Data source for air moisture |
| Modelica.Units.SI.MassFraction | xAir_constant | 0.005 | Constant air moisture (used if xAirSou=Parameter) |
Connectors
Revisions
-
October 29, 2020 by Christoph Nytsch-Geusen:
Adapted ti IBPSA library. -
January 3, 2020 by Christoph Nytsch-Geusen:
Thermal comfort assessment added. -
September 19, 2018 by Christoph Nytsch-Geusen:
Air path models against IBPSA 1 library models exchanged. -
January 25, 2017 by Christoph Nytsch-Geusen:
Adapted to discretized air volume model. -
May 23, 2015 by Christoph Nytsch-Geusen:
First implementation.