modelHxRec1D_1808

Extends from ThermoCycle.Components.Units.BaseUnits.BaseHx.

Parameters

TypeNameDefaultDescription
IntegerN5Number of nodes for the heat exchanger
Modelica.SIunits.VolumeVhot0.03781Volume hot fluid
Modelica.SIunits.VolumeVcold0.03781Volume cold fluid
Modelica.SIunits.AreaAhot16.18Area hot fluid
Modelica.SIunits.AreaAcold16.18Area cold fluid
Modelica.SIunits.MassM_wall69Mass of the metal wall between the two fluids
Modelica.SIunits.SpecificHeatCapacityc_wall500Specific heat capacity of metal wall
Modelica.SIunits.MassFlowRateMdotNom_Hot0.2588Nominal flow rate of hot fluid
Modelica.SIunits.MassFlowRateMdotNom_Cold0.2588Nominal flow rate of cold fluid
General › Heat transfer
HTtypesHTtypeColdHTtypes.LiqVapCold fluid: Choose heat transfer coeff. type. Set LiqVap with Unom_l=Unom_tp=Unom_v to have a Const HT
Modelica.SIunits.CoefficientOfHeatTransferUnom_l_cold100if HTtype = LiqVap: heat transfer coefficient, liquid zone
Modelica.SIunits.CoefficientOfHeatTransferUnom_tp_cold100if HTtype = LiqVap: heat transfer coefficient, two-phase zone
Modelica.SIunits.CoefficientOfHeatTransferUnom_v_cold100if HTtype = LiqVap: heat transfer coefficient, vapor zone
HTtypesHTtypeHotHTtypes.LiqVapHot fluid: Choose heat transfer coeff. type. Set LiqVap with Unom_l=Unom_tp=Unom_v to have a Const HT
Modelica.SIunits.CoefficientOfHeatTransferUnom_l_hot100if HTtype = LiqVap: heat transfer coefficient, liquid zone
Modelica.SIunits.CoefficientOfHeatTransferUnom_tp_hot100if HTtype = LiqVap: heat transfer coefficient, two-phase zone
Modelica.SIunits.CoefficientOfHeatTransferUnom_v_hot100if HTtype = LiqVap: heat transfer coefficient, vapor zone
Initialization
Modelica.SIunits.Pressurepstart_cold23.57e5Nominal inlet pressure of cold fluid
Modelica.SIunits.Pressurepstart_hot1.54883e5Nominal inlet pressure of hot fluid
Modelica.SIunits.TemperatureTstart_inlet_cold308.43Initial value of cold fluid temperature at the inlet
Modelica.SIunits.TemperatureTstart_outlet_cold334.78Initial value of cold fluid temperature at the outlet
Modelica.SIunits.TemperatureTstart_inlet_hot353.82Initial value of hot fluid temperature at the inlet
Modelica.SIunits.TemperatureTstart_outlet_hot316.91Initial value of hot fluid temperature at the outlet
Initialization › Intialization options
Booleansteadystate_h_coldfalseif true, sets the derivative of h of cold fluid to zero during Initialization
Booleansteadystate_h_hotfalseif true, sets the derivative of h of hot fluid to zero during Initialization
Booleansteadystate_T_wallfalseif true, sets the derivative of T_wall to zero during Initialization
Numerical options
DiscretizationsDiscretizationThermoCycle.Functions.Enumerations.Discretizations.centr_diffSelection of the spatial discretization scheme
BooleanMdotconst_coldfalseSet to yes to assume constant mass flow rate of cold fluid at each node (easier convergence)
Booleanmax_der_coldfalseSet to yes to limit the density derivative of cold fluid during phase transitions
Booleanfilter_dMdt_coldfalseSet to yes to filter dMdt of cold fluid with a first-order filter
Realmax_drhodt_cold100Maximum value for the density derivative of primary fluid
Modelica.SIunits.TimeTT_cold1Integration time of the first-order filter
BooleanMdotconst_hotfalseSet to yes to assume constant mass flow rate of hot fluid at each node (easier convergence)
Booleanmax_der_hotfalseSet to yes to limit the density derivative of primary fluid during phase transitions
Booleanfilter_dMdt_hotfalseSet to yes to filter dMdt of hot fluid with a first-order filter
Realmax_drhodt_hot100Maximum value for the density derivative of primary fluid
Modelica.SIunits.TimeTT_hot1Integration time of the first-order filter

Connectors

TypeNameDefaultDescription
Interfaces.Fluid.FlangeAinlet_fl1 (from BaseHx)
Interfaces.Fluid.FlangeBoutlet_fl1 (from BaseHx)
Interfaces.Fluid.FlangeAinlet_fl2 (from BaseHx)
Interfaces.Fluid.FlangeBoutlet_fl2 (from BaseHx)

Components

TypeNameDefaultDescription
Components.FluidFlow.Pipes.Flow1DimHotside
Components.HeatFlow.Walls.CountCurrcountCurr
Components.HeatFlow.Walls.MetalWallmetalWall
Components.FluidFlow.Pipes.Flow1DimColdside
SummaryClassSummary

Contents

NameDescription
SummaryBase
SummaryClass