modelLMTD_HX_Q

Calculate Q using LMTD method

Extends from TRANSFORM.HeatExchangers.BaseClasses.Partial_LMTD_HX.

Information

Assumption:

Side 1 is hot side (i.e,. if Q_flow < 0 then heat is going from Side 1 to Side 2)

Parameters

TypeNameDefaultDescription
BooleancounterCurrent (from Partial_LMTD_HX)true
Initialization › Start Value: Absolute Pressure
SI.AbsolutePressurep_start_1 (from Partial_LMTD_HX)Medium_1.p_defaultPressure
SI.AbsolutePressurep_start_2 (from Partial_LMTD_HX)Medium_2.p_defaultPressure
Initialization › Start Value: Temperature
SI.TemperatureT_start_1 (from Partial_LMTD_HX)Medium_1.T_defaultTemperature
SI.TemperatureT_start_2 (from Partial_LMTD_HX)Medium_2.T_defaultTemperature
Initialization
SI.MassFlowRatem_flow_start_1 (from Partial_LMTD_HX)0Mass flow rate
SI.MassFlowRatem_flow_start_2 (from Partial_LMTD_HX)0Mass flow rate

Connectors

TypeNameDefaultDescription
TRANSFORM.Fluid.Interfaces.FluidPort_Stateport_a1 (from Partial_LMTD_HX)
TRANSFORM.Fluid.Interfaces.FluidPort_Flowport_b1 (from Partial_LMTD_HX)
TRANSFORM.Fluid.Interfaces.FluidPort_Stateport_a2 (from Partial_LMTD_HX)
TRANSFORM.Fluid.Interfaces.FluidPort_Flowport_b2 (from Partial_LMTD_HX)

Components

TypeNameDefaultDescription
SI.PowerQ_flow (from Partial_LMTD_HX)
SI.ThermalConductanceUA (from Partial_LMTD_HX)
SI.TemperatureDifferencedT_LM (from Partial_LMTD_HX)
TRANSFORM.Fluid.Volumes.SimpleVolumevolume_1 (from Partial_LMTD_HX)
Fluid.FittingsAndResistances.SpecifiedResistanceresistance_1 (from Partial_LMTD_HX)
TRANSFORM.HeatAndMassTransfer.BoundaryConditions.Heat.HeatFlowboundary_1 (from Partial_LMTD_HX)
TRANSFORM.Fluid.Volumes.SimpleVolumevolume_2 (from Partial_LMTD_HX)
TRANSFORM.HeatAndMassTransfer.BoundaryConditions.Heat.HeatFlowboundary_2 (from Partial_LMTD_HX)
TRANSFORM.Fluid.FittingsAndResistances.SpecifiedResistanceresistance_2 (from Partial_LMTD_HX)
TRANSFORM.Fluid.Sensors.TemperatureTwoPortsensor_T_a1 (from Partial_LMTD_HX)
TRANSFORM.Fluid.Sensors.TemperatureTwoPortsensor_T_b1 (from Partial_LMTD_HX)
TRANSFORM.Fluid.Sensors.TemperatureTwoPortsensor_T_a2 (from Partial_LMTD_HX)
TRANSFORM.Fluid.Sensors.TemperatureTwoPortsensor_T_b2 (from Partial_LMTD_HX)
Modelica.Blocks.Sources.RealExpressionboundary_2_input (from Partial_LMTD_HX)
Modelica.Blocks.Sources.RealExpressionboundary_1_input (from Partial_LMTD_HX)
Units.HydraulicResistanceR_1 (from Partial_LMTD_HX)1Hydraulic resistance
Units.HydraulicResistanceR_2 (from Partial_LMTD_HX)1Hydraulic resistance
SI.ThermalConductanceUA0