modelSupplyBranch

Supply branch of a dual duct system

Parameters

Type	Name	Default	Description
Boolean	from_dp	false	= true, use m_flow = f(dp) else dp = f(m_flow)
Boolean	linearizeFlowResistance	false	= true, use linear relation between m_flow and dp for any flow rate
Modelica.Units.SI.MassFlowRate	m_flow_nominal		Mass flow rate cold air deck
Modelica.Units.SI.MassFlowRate	mAirHot_flow_nominal	0.3*m_flow_nominal	Mass flow rate hot air deck
Modelica.Units.SI.MassFlowRate	mAirCol_flow_nominal	m_flow_nominal	Mass flow rate cold air deck
Modelica.Units.SI.Volume	VRoo		Room volume

Components

Type	Name	Default	Description
Modelica.Fluid.Interfaces.FluidPort_a	port_aHot		Connector for hot deck
Modelica.Fluid.Interfaces.FluidPort_a	port_aCol		Connector for cold deck
Modelica.Fluid.Interfaces.FluidPort_a	port_b		Fluid connector b (positive design flow direction is from port_a1 to port_b1)
Controls.RoomMixingBox	con		Room temperature controller
VAVReheat.BaseClasses.Controls.ControlBus	controlBus
Buildings.Fluid.Actuators.Dampers.Exponential	vavHot		VAV damper for hot deck
Buildings.Fluid.Actuators.Dampers.Exponential	vavCol		VAV damper for cold deck
Buildings.Fluid.Sensors.MassFlowRate	senMasFlo		Sensor for mass flow rate
Modelica.Blocks.Math.Gain	fraMasFlo		Fraction of mass flow rate, relative to nominal flow
Modelica.Blocks.Math.Gain	ACH		Air change per hour
Modelica.Blocks.Interfaces.RealInput	TRoo		Measured room temperature
Buildings.Fluid.FixedResistances.Junction	mix		Mixer for hot and cold air deck
Buildings.Fluid.Sensors.RelativePressure	senRelPreHot		Relative pressure hot deck (compared to room pressure)
Buildings.Fluid.Sensors.RelativePressure	senRelPreCol		Relative pressure cold deck (compared to room pressure)
Modelica.Blocks.Interfaces.RealOutput	p_relCol		Pressure signal of cold deck
Modelica.Blocks.Interfaces.RealOutput	p_relHot		Pressure signal of hot deck
Buildings.Fluid.Sensors.TemperatureTwoPort	TSup		Supply air temperature
Buildings.Controls.OBC.CDL.Interfaces.BooleanInput	yFan		Fan operation, true if fan is running

Contents

Name	Description
MediumA	Medium model for air