functionOptimize_HX

Inputs

TypeNameDefaultDescription
SI.HeatFlowRateQ_d_desDesign Heat Flow Rate
SI.TemperatureT_Na1_desDesing Sodium Hot Fluid Temperature
SI.TemperatureT_Na2_desDesing Sodium Cold Fluid Temperature
SI.TemperatureT_MS1_desDesing Molten Salt Cold Fluid Temperature
SI.TemperatureT_MS2_desDesing Molten Salt Hot Fluid Temperature
SI.Pressurep_Na1_desDesign Sodium Inlet Pressure
SI.Pressurep_MS1_desDesign Molten Salt Inlet Pressure
FI.EnergyPrice_kWhc_ePower cost
RealrReal interest rate
RealH_yOperating hours
IntegernOperating years
Realratio_max
Booleanratio_condActivate ratio constraint
BooleanL_max_condActivate maximum HX length constraint
SI.LengthL_max_inputMaximum HX length

Outputs

TypeNameDefaultDescription
SI.MassFlowRatem_flow_NaSodium mass flow rate
SI.MassFlowRatem_flow_MSMolten-Salt mass flow rate
RealFTemperature correction factor
SI.ThermalConductanceUAUA
SI.AreaA_totExchange Area
SI.CoefficientOfHeatTransferUHeat tranfer coefficient
IntegerN_tNumber of tubes
SI.PressureDp_tubeTube-side pressure drop
SI.PressureDp_shellShell-side pressure drop
SI.CoefficientOfHeatTransferh_sShell-side Heat tranfer coefficient
SI.CoefficientOfHeatTransferh_tTube-side Heat tranfer coefficient
SI.LengthD_sShell Diameter
SI.LengthD_s_outOuter Shell Diameter
IntegerN_bafflesNumber of baffles
SI.Lengthl_bBaffle spacing
SI.Velocityv_NaSodium velocity in tubes
SI.Velocityv_max_MSMolten Salt velocity in shell
SI.VolumeV_HXHeat-Exchanger Total Volume
SI.Massm_HXHeat-Exchanger Total Mass
SI.Massm_material_HXHeat-Exchanger Material Mass
FI.Money_USDC_BECBare cost @2018
FI.MoneyPerYearC_pumpAnnual pumping cost
FI.MoneyPerYearTACTotal Annualized Cost
Realex_effHX Exergetic Efficiency
Realen_effHX Energetic Efficiency
SI.LengthLTube length
Realratio
Realpenalty
SI.Lengthd_o_optOptimal Outer Tube Diameter
IntegerN_p_optOptimal Tube passes number
IntegerN_sp_optOptimal Shell passes number
Integerlayout_optOptimal Tube Layout