modelBaseReboiler2

Diagram of BaseReboiler2Open the diagram

Parameters

TypeNameDefaultDescription
Booleandelta_hv_mediumMediumVapour.delta_hv_medium
SI.TemperatureT_v_startT_vapour_start
SI.TemperatureT_l_startT_liquid_start
Integer[nS,2]mapping{{1, 2}, {3, 1}}parameter to map the different medium vectors one to another
Boolean[nSV]inertVapour{false, true, false, true}
Boolean[nSL]inertLiquid{false, false, true}
IntegernS2number of species which are equal in vapour and liquid phase
IntegernLMediumLiquid.nSubstance - nSnumber of additional substances which are only in liquid phase
IntegernVMediumVapour.nSubstance - nSnumber of additional substances which are only in the vapour phase
IntegernSLMediumLiquid.nSubstance
IntegernSVMediumVapour.nSubstance
Realeps_vap_start0.5
BooleanfixedCirculationfalse
SI.VolumeVModelica.Constants.pi/4*(d_HX^2 - d_tube^2*n)*length_HX
Realzeta8.6
SI.Diameterd_tube0.025outer diameter of tubes
SI.Diameterd_HX0.35inner diameter of heat exchanger
IntegerNw9number of rows in flow direction
Integern76number of tubes
SI.Lengthlength_HX0.75length of tubes
SI.Lengtht_tube0.002wall thickness of the tubes
SI.AreaA_HTModelica.Constants.pi*(2*d_tube - t_tube)/2*length_HX*nmean heat transfer area
Advanced
SI.TemperatureT_refsystemTS.T_refreference temperature
Initialization
SI.MoleFraction[nSL]x_l_start{2e-2, 1 - 2e-2 - 0.057, 0.057}
SI.MoleFraction[nSV]x_v_start{1 - 0.1 - 0.001, 0.0005, 0.01, 0.0005}
SI.TemperatureT_vapour_start95 + 273.15
SI.TemperatureT_liquid_start95 + 273.15
Realeps_liq_start0.071204
BooleaninitEQtrue
InitOptioninitOptionInitOption.initEQdifferent initialization options
SI.Pressurep_start1.025e5
StartUp
BooleanconsiderStartUpfalsetrue if StartUp is to be considered
Realfriggelfaktor0.0002e5
Realk0.2e-3

Components

TypeNameDefaultDescription
ThermalSeparation.SystemTSsystemTS
MediumVapour.BasePropertiesmediumVapour
MediumVapour.CalcSpecificEnthalpyvapToFilmB
MediumVapour.CalcSpecificEnthalpyfilmToVapB
MediumLiquid.BasePropertiesmediumLiquid
MediumLiquid.BasePropertiesmediumLiquidIn
MediumLiquid.BasePropertiesmediumLiquidStar
MediumLiquid.CalcSpecificEnthalpyliqToFilmB
MediumLiquid.ActivityCoefficientactivityCoeff
MediumLiquid.FugacityCoefficientfugacityCoeffSat
MediumLiquid.CalcSpecificEnthalpyfilmToLiqB
SI.Densityrho_vmediumVapour.ddensity of the vapour, all components
SI.MolarMassMM_vmediumVapour.MMmolar mass of the vapour mixture
ThermalSeparation.Units.MolarEnthalpyh_vmediumVapour.h
ThermalSeparation.Units.MolarEnthalpyh_transfer_fromVvapToFilmB.h
ThermalSeparation.Units.MolarEnthalpyh_transfer_toVfilmToVapB.h
SI.MolarInternalEnergyu_vmediumVapour.u
SI.Densityrho_lmediumLiquid.ddensity of the liquid, all components
SI.Densityrho_l_inmediumLiquidIn.d
SI.Densityrho_l_starmediumLiquidStar.d
SI.MolarMassMM_lmediumLiquid.MMmolar mass of the liquid mixture
SI.MolarMassMM_l_inmediumLiquidIn.MM
SI.MolarMassMM_l_starmediumLiquidStar.MM
ThermalSeparation.Units.MolarEnthalpyh_lmediumLiquid.h
ThermalSeparation.Units.MolarEnthalpyh_l_inmediumLiquidIn.h
ThermalSeparation.Units.MolarEnthalpyh_transfer_fromLliqToFilmB.h
ThermalSeparation.Units.MolarEnthalpyh_transfer_toLfilmToVapB.h
SI.MolarInternalEnergyu_lmediumLiquid.u
SI.Concentration[nSL]c_l
SI.MoleFraction[nSL]x_l
SI.Concentration[nSL]c_l_in
SI.MoleFraction[nSL]x_l_in
SI.Concentration[nSV]c_v
SI.MoleFraction[nSV]x_v
SI.Concentration[nSL]c_l_star
SI.TemperatureT_l_in
SI.TemperatureT_l
SI.TemperatureT_v
SI.VolumeFlowRateVdot_v
SI.VolumeFlowRateVdot_l
SI.VolumeFlowRateVdot_l_in
Realeps_liq
Realeps_vap
SI.MolarFlowRate[nSV]Ndot_v_transfer
SI.MolarFlowRate[nSL]Ndot_l_transfer
SI.MolarFlowRate[nSL]Ndot_fromL
SI.MolarFlowRate[nSV]Ndot_fromV
SI.MoleFraction[nSL]x_transfer_fromL
SI.MoleFraction[nSL]x_transfer_toL
SI.MoleFraction[nSV]x_transfer_fromV
SI.MoleFraction[nSV]x_transfer_toV
SI.HeatFlowRateEdot_l_transfer
SI.HeatFlowRateEdot_v_transfer
SI.HeatFlowRateQdot_l_transfer
SI.HeatFlowRateQdot_v_transfer
SI.TemperatureT_star
SI.SpecificEnthalpyr_water-2462.5*T_star + 3177.8e3evaporation enthalpy
SI.MoleFraction[nSL]x_l_star
SI.MoleFraction[nSV]x_v_star
SI.HeatFlowRateQdot_wall
SI.Pressurep_out
SI.Pressurep_in
SI.Pressurep
SI.Pressure[nSL]p_sat{mediumLiquid.p_sat[i] for i in 1:nSL}
SI.Pressure[nSL]p_sat_bulk{mediumLiquid.p_sat[i] for i in 1:nSL}
Booleanbool_eps
ThermoEquilibriumthermoEquilibrium
ThermoEquilibriumbubblePressure
Real[nS]Kequilibrium constant
Reactionreaction
SI.Pressurep_initialinitial pressure in column
SI.Pressurep_bubbubblePressure.p_bubblemixture bubble pressure
SI.Pressure[2]p_hydhydraulic pressure
Realomega
BooleanstartUp
RealNdot_source_startUpdummy molar flow rate to account for discharge of inert gas during startUp
Realsum_xsum(x_l)
Realsum_ysum(x_v)
SI.VolumeFlowRateVdot_gesVdot_v + Vdot_l
SI.MassFlowRatemdot_vVdot_v*rho_v
SI.MassFlowRatemdot_lVdot_l*rho_l
SI.MassFlowRatemdot_outmdot_v + mdot_l
SI.MassFlowRatemdot_l_inVdot_l_in*mediumLiquidIn.d
SI.Densityrho_mixeps_vap*rho_v + eps_liq*rho_l
SI.VolumeV_liqV*eps_liq
SI.MolarFlowRateNdot_vVdot_v*rho_v/MM_vtotal molar flow rate vapour
SI.MolarFlowRateNdot_lVdot_l*rho_l/MM_ltotal molar flow rate vapour
SI.MolarFlowRateNdot_l_inVdot_l_in*rho_l_in/MM_l_intotal molar flow rate vapour
Geometrygeometry
SI.HeatFlowRateQdot_evapif delta_hv_medium then 0 else Ndot_v_transfer[1]*0.018*r_water
SI.Pressurewassersaeule(eps_liq*d_HX + 0.5)*Modelica.Constants.g_n*rho_l
SI.PressuredeltaPp_in - p_out
ThermalSeparation.Utilities.LimPID_InputPID

Contents

NameDescription
MediumVapour
MediumLiquid
ThermoEquilibrium
Reaction
Geometry