modelSimpleHeatExchanger

A simple counterflow heat exchanger model based on LMTD method
Diagram of SimpleHeatExchangerOpen the diagram
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Extends from SolarTherm.Interfaces.Models.HeatExchangerFluid.

Information

Parameters

TypeNameDefaultDescription
SI.AreaA1Heat transfer surface area
SI.CoefficientOfHeatTransferU1Heat tranfer coefficient
SI.TemperatureDifferencedT_approach15Approach temperature
SI.Pressurepcold1e5Cold side pressure
SI.MassFlowRatem_flow_cold731.042Cold side mass flow rate
SI.TemperatureT_b_out_ref785 + 273.15Medium B outlet temperature

Connectors

TypeNameDefaultDescription
Modelica.Fluid.Interfaces.FluidPort_aport_a_in (from HeatExchangerFluid)
Modelica.Fluid.Interfaces.FluidPort_bport_a_out (from HeatExchangerFluid)
Modelica.Fluid.Interfaces.FluidPort_aport_b_in (from HeatExchangerFluid)
Modelica.Fluid.Interfaces.FluidPort_bport_b_out (from HeatExchangerFluid)

Components

TypeNameDefaultDescription
Medium_A.ThermodynamicStatestate_a_inMedium_A.setState_phX(port_a_in.p, inStream(port_a_in.h_outflow))
Medium_A.ThermodynamicStatestate_a_outMedium_A.setState_pTX(port_a_in.p, T_a_out)
Medium_B.ThermodynamicStatestate_b_inMedium_B.setState_phX(port_b_in.p, inStream(port_b_in.h_outflow))
Medium_B.ThermodynamicStatestate_b_outMedium_B.setState_pTX(port_b_in.p, T_b_out)
SI.TemperatureT_a_inMedium A inlet temperature
SI.TemperatureT_a_outMedium A outlet temperature
SI.TemperatureT_b_inMedium B inlet temperature
SI.TemperatureT_b_outMedium B outlet temperature
SI.HeatFlowRateQ_flowHeat flow from hot to cold side
SI.TemperatureDifferenceLMTDLogarithmic mean temperature difference
SI.SpecificEnthalpyh_a_ininStream(port_a_in.h_outflow)

Contents

NameDescription
Medium_AMedium props for Sodium
Medium_BMedium props for Molten Salt

Revisions

  • A. Shirazi:
    Released first version.