modelRoom

BESTest Case 600 with fluid ports for air HVAC and internal load

Information

This is a single zone model based on the envelope of the BESTEST Case 600 building, though it has some modifications. Supply and return air ports are included for simulation with air-based HVAC systems. Heating and cooling setpoints and internal loads are time-varying according to an assumed occupancy schedule.

This zone model utilizes schedules and constructions from the Schedules and Constructions packages.

Parameters

Type	Name	Default	Description
Modelica.Units.SI.MassFlowRate	mAir_flow_nominal		Design airflow rate of system
Modelica.Units.SI.Angle	S_	Buildings.Types.Azimuth.S	Azimuth for south walls
Modelica.Units.SI.Angle	E_	Buildings.Types.Azimuth.E	Azimuth for east walls
Modelica.Units.SI.Angle	W_	Buildings.Types.Azimuth.W	Azimuth for west walls
Modelica.Units.SI.Angle	N_	Buildings.Types.Azimuth.N	Azimuth for north walls
Modelica.Units.SI.Angle	C_	Buildings.Types.Tilt.Ceiling	Tilt for ceiling
Modelica.Units.SI.Angle	F_	Buildings.Types.Tilt.Floor	Tilt for floor
Modelica.Units.SI.Angle	Z_	Buildings.Types.Tilt.Wall	Tilt for wall
Integer	nConExtWin	1	Number of constructions with a window
Integer	nConBou	1	Number of surface that are connected to constructions that are modeled inside the room
Buildings.HeatTransfer.Data.OpaqueConstructions.Generic	matExtWal		Exterior wall
Buildings.HeatTransfer.Data.OpaqueConstructions.Generic	matFlo		Floor
Buildings.HeatTransfer.Data.Solids.Generic	soil		Soil properties
Buildings.HeatTransfer.Data.OpaqueConstructions.Generic	roof		Roof
Buildings.ThermalZones.Detailed.Validation.BESTEST.Data.Win600	window600		Window

Connectors

Type	Name	Description
Modelica.Fluid.Interfaces.FluidPort_a	supplyAir	Supply air
Modelica.Fluid.Interfaces.FluidPort_b	returnAir	Return air
Buildings.BoundaryConditions.WeatherData.Bus	weaBus	Weather data bus
Modelica.Blocks.Interfaces.RealOutput	TRooAir	Room air temperature

Components

Type	Name	Description
Buildings.HeatTransfer.Conduction.SingleLayer	soi	2 m deep soil (per definition on p.4 of ASHRAE 140-2007)
Buildings.ThermalZones.Detailed.MixedAir	roo	Room model for Case 600
Modelica.Blocks.Sources.Constant	qConGai_flow	Convective heat gain
Modelica.Blocks.Sources.Constant	qRadGai_flow	Radiative heat gain
Modelica.Blocks.Routing.Multiplex3	mul	Multiplex
Modelica.Blocks.Sources.Constant	qLatGai_flow	Latent heat gain
Modelica.Thermal.HeatTransfer.Sources.FixedTemperature[nConBou]	TSoi	Boundary condition for construction
Fluid.Sources.MassFlowSource_WeatherData	sinInf	Sink model for air infiltration
Modelica.Blocks.Sources.Constant	InfiltrationRate	0.41 ACH adjusted for the altitude (0.5 at sea level)
Modelica.Blocks.Math.Product	product
Buildings.Fluid.Sensors.Density	density	Air density inside the building
Modelica.Thermal.HeatTransfer.Sensors.TemperatureSensor	senTZon	Zone air temperature sensor
Fluid.Sources.MassFlowSource_WeatherData	souInf	Source model for air infiltration
Buildings.Controls.OBC.CDL.Reals.Sources.TimeTable	intLoad	Internal loads
Modelica.Blocks.Sources.Constant	CO2_flow_per	Latent heat gain
Modelica.Blocks.Logical.GreaterThreshold	greThr	Greater than
Modelica.Blocks.Sources.Constant	desOcc	Design number of occupants
Modelica.Blocks.Math.Product	numOcc	Number of occupants in the zone
Modelica.Blocks.Math.BooleanToReal	booToRea	Convert Boolean to Real signal

Name	Description
MediumA	Medium model

Revisions

September 16, 2021, by Michael Wetter:
Removed parameter lat as this is now obtained from the weather data reader.
This is for IBPSA, #1477.
July 21, 2020, by Kun Zhang:
Replaced the internal gain block from BaseClasses by directly using the block Buildings.Controls.OBC.CDL.Reals.Sources.TimeTable.
June 21, 2017, by Michael Wetter:
Refactored implementation.
June 1, 2017, by David Blum:
First implementation.