modelEvaporator

Fire tube boiler, fixed heat transfer coefficient, no radiative heat transfer
Diagram of Evaporator

Parameters

TypeNameDefaultDescription
IntegerN2Number of node of the gas side
SI.MassFlowRategasNomFlowRateNominal flow rate through the gas side
SI.MassFlowRatefluidNomFlowRateNominal flow rate through the fluid side
SI.PressuregasNomPressureNominal pressure in the gas side inlet
SI.PressurefluidNomPressureNominal pressure in the fluid side inlet
SI.AreaexchSurfaceExchange surface between gas - metal tube
SI.VolumegasVolGas volume
SI.VolumefluidVolFluid volume
SI.VolumemetalVolVolume of the metal part in the tubes
SI.DensityrhomMetal density
SI.SpecificHeatCapacitycmSpecific heat capacity of the metal
SI.CoefficientOfHeatTransfergammaConstant heat transfer coefficient in the gas side
Choices.Flow1D.FFtypesFFtype_GThermoPower.Choices.Flow1D.FFtypes.NoFrictionFriction Factor Type, gas side
RealKfnom_G0Nominal hydraulic resistance coefficient, gas side
SI.PressureDifferencedpnom_G0Nominal pressure drop, gas side (friction term only!)
SI.Densityrhonom_G0Nominal inlet density, gas side
RealCfnom_G0Nominal Fanning friction factor, gsa side
BooleangasQuasiStaticfalseQuasi-static model of the flue gas (mass, energy and momentum static balances
RealpiModelica.Constants.pi
SI.DistanceL1Tube length
Initialization
SI.TemperatureTstartAverage gas temperature start value

Connectors

TypeNameDefaultDescription
Water.FlangeAwaterIn
Water.FlangeBwaterOut
Gas.FlangeAgasIn
Gas.FlangeBgasOut
Modelica.Blocks.Interfaces.RealOutputvoidFraction

Components

TypeNameDefaultDescription
Water.DrumEquilibriumwater
Thermal.HT_DHTVolumesadapter
Gas.Flow1DFVgasFlow
Modelica.Blocks.Sources.RealExpressionrealExpression
Modelica.Blocks.Sources.RealExpressionoutput1

Contents

NameDescription
FlueGasMedium
FluidMedium