modelOverall_Evaporation_smoothed

Evaporation: Smoothed overall evaporation model from single phase liquid to single phase vapor.

Extends from Modelica.Icons.UnderConstruction (Icon for classes that are still under construction), TRANSFORM.Fluid.Pipes_Obsolete.ClosureModels.HeatTransfer.TwoPhase.Partial_TwoPhaseHeatTransfer (Partial two phase heat transfer model).

Parameters

TypeNameDefaultDescription
Units.NonDimx_chf0.9*ones(nHT)Steam quality corresponding to Critical Heat Flux
Internal Interface
IntegernHT (from PartialHeatTransfer)1Number of heat transfer segments
Booleanuse_k (from PartialHeatTransfer)false= true to use k value for thermal isolation
Ambient
SI.CoefficientOfHeatTransferk (from PartialHeatTransfer)0Heat transfer coefficient to ambient
SI.TemperatureT_ambient (from PartialHeatTransfer)system.T_ambientAmbient temperature
Internal Interface › Geometry
RealnParallel (from PartialFlowHeatTransfer)number of identical parallel flow devices
Initialization
SI.CoefficientOfHeatTransferalphas_start (from PartialFlowHeatTransfer)heat transfer coefficient

Connectors

TypeNameDefaultDescription
Modelica.Fluid.Interfaces.HeatPorts_aheatPorts (from PartialHeatTransfer)Heat port to component boundary

Components

TypeNameDefaultDescription
Medium.ThermodynamicStatestates (from PartialHeatTransfer)Thermodynamic states of flow segments
SI.AreasurfaceAreas (from PartialHeatTransfer)Heat transfer areas
SI.HeatFlowRateQ_flows (from PartialHeatTransfer)Heat flow rates
Modelica.Fluid.Systemsystem (from PartialHeatTransfer)System wide properties
SI.TemperatureTs (from PartialHeatTransfer)Medium.temperature(states)Temperatures defined by fluid states
SI.MassFlowRatem_flows (from PartialFlowHeatTransfer)Mean flow rate in segments
SI.Lengthlengths (from PartialFlowHeatTransfer)Lengths along flow path
SI.Lengthdimensions (from PartialFlowHeatTransfer)Characteristic dimensions for fluid flow (diameter for pipe flow)
SI.AreacrossAreas (from PartialFlowHeatTransfer)Cross flow area of flow segments
SI.Heightroughnesses (from PartialFlowHeatTransfer)Average heights of surface asperities
SI.CoefficientOfHeatTransferalphas (from PartialFlowHeatTransfer)Coefficient of heat transfer
RealRes (from PartialPipeFlowHeatTransfer)Reynolds numbers
RealPrs (from PartialPipeFlowHeatTransfer)Prandtl numbers
RealNus (from PartialPipeFlowHeatTransfer)Nusselt numbers
Medium.Densityds (from PartialPipeFlowHeatTransfer)Densities
Medium.DynamicViscositymus (from PartialPipeFlowHeatTransfer)Dynamic viscosities
Medium.ThermalConductivitylambdas (from PartialPipeFlowHeatTransfer)Thermal conductivity
Units.NonDim[nHT]x_th (from Partial_TwoPhaseHeatTransfer)Thermodynmic quality
Units.NonDim[nHT]x_abs (from Partial_TwoPhaseHeatTransfer)Steam quality (0<x<1)
SI.CoefficientOfHeatTransferalphas_SinglephaseLiquid
SI.CoefficientOfHeatTransferalphas_TwoPhaseSaturated
SI.CoefficientOfHeatTransferalphas_SinglephaseVapor
SI.CoefficientOfHeatTransferalphas_original
SI.CoefficientOfHeatTransferalphas_fsat
SI.CoefficientOfHeatTransferalphas_chf
SI.CoefficientOfHeatTransferalphas_smoothLeft
SI.CoefficientOfHeatTransferalphas_smoothRight
SI.ReynoldsNumberRes_fsatReynolds number at saturated liquid properties
SI.PrandtlNumberPrs_fsatPrandtl number at saturated liquid properties
SI.ReynoldsNumberRes_gsatReynolds number at saturated vapor properties
SI.PrandtlNumberPrs_gsatPrandtl number at saturated vapor properties
SI.SpecificEnthalpyh_chfEnthalpy corresponding to the Critical Heat Flux

Contents

NameDescription
heatTransfer_SinglephaseLiquid
heatTransfer_TwoPhaseSaturated
heatTransfer_SinglephaseVapor