modelHeatRecuperatorDTAve

The heat recuperator is subdivised in N_q segments in order to accurately represent the CO2 properties variation.
Diagram of HeatRecuperatorDTAveOpen the diagram
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Parameters

TypeNameDefaultDescription
IntegerN_q15Number of subdivision of the HX
Realratio_m_des1ratio of m_comp_des/m_turb_des; we suppose m_turb_des=1, and then scale-up
RealpinchRecuperator5pinch of the recuperator. Imposed as a closing equation for on-design
Modelica.SIunits.ThermalConductanceUA_HTRConductance of the overall HX
Modelica.SIunits.PowerP_nom_des1e5
Modelica.SIunits.ThermalConductance[N_q - 1]UA_dison-design conductance of the heat recuperator
Medium.ThermodynamicStatestate_turb_des
Medium.ThermodynamicStatestate_comp_des
Medium.TemperatureT_turb_des
Medium.TemperatureT_comp_des
Modelica.SIunits.TemperatureDifferencedeltaT_des
Modelica.SIunits.MassFlowRatem_comp_deson-design mass flow from the compressor
Modelica.SIunits.MassFlowRatem_turb_deson-design mass flow from the turbine
Modelica.SIunits.HeatFlowRateQ_HX_des
Modelica.SIunits.HeatFlowRateQ_dis_des
Modelica.SIunits.SpecificEnthalpyh_in_turb_des
Modelica.SIunits.SpecificEnthalpyh_out_turb_des
Modelica.SIunits.SpecificEnthalpyh_in_comp_des
Modelica.SIunits.SpecificEnthalpyh_out_comp_des
Modelica.SIunits.AbsolutePressurep_in_turb_des
Modelica.SIunits.AbsolutePressurep_out_turb_des
Modelica.SIunits.AbsolutePressurep_in_comp_des
Modelica.SIunits.AbsolutePressurep_out_comp_des

Connectors

TypeNameDefaultDescription
Modelica.Fluid.Interfaces.FluidPort_afrom_comp_port_a
Modelica.Fluid.Interfaces.FluidPort_afrom_turb_port_a
Modelica.Fluid.Interfaces.FluidPort_bfrom_comp_port_b
Modelica.Fluid.Interfaces.FluidPort_bfrom_turb_port_b

Components

TypeNameDefaultDescription
Modelica.SIunits.SpecificEnthalpyh_from_turb
Medium.TemperatureT_from_turb
Medium.TemperatureT_from_comp
Modelica.SIunits.SpecificEnthalpyh_from_comp
RealdeltaT
Modelica.SIunits.HeatFlowRateQ_HX

Contents

NameDescription
Medium