modelPCSherwoodLobo

Flood point calculation by a numerical aproximation made by N.H.Chen to the Sherwood-Lobo curve. Not too exact
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Extends from PackedColumnBasic (24 variables,16 equations,8 lacking).

Parameters

TypeNameDefaultDescription
Physical prop.
IntegerphysProp (from PackedColumnBasic)0origin of the physical properties data. 0= equation, 1=parameters, 2=Medium
Modelica.Units.SI.TemperatureT (from PackedColumnBasic)298.15absolute temperature of the medium, if used
Modelica.Units.SI.AbsolutePressureP (from PackedColumnBasic)1e5absolute pressure of the medium, if used
Modelica.Units.SI.DensityrhoL (from PackedColumnBasic)0liquid density to use if physProp==1
Modelica.Units.SI.DensityrhoG (from PackedColumnBasic)0gas density to use if physProp==1
Modelica.Units.SI.DynamicViscositymuL (from PackedColumnBasic)0liquid viscosity to use if physProp==1
Physical data
Realepsilon (from PackedColumnBasic)0.965void fraction of the package
Realav (from PackedColumnBasic)0specific surface of the packed m2/m3
RealfPk0packing factor to use,if equal to 0 will be calculated as Av/epsilon^3

Components

TypeNameDefaultDescription
RealAv (from PackedColumnBasic)
Modelica.Units.SI.DiameterDi (from PackedColumnBasic)column internal diameter
Modelica.Units.SI.AreaS (from PackedColumnBasic)column section
Modelica.Units.SI.MassFlowRateGl (from PackedColumnBasic)Liquid massic flow rate
Modelica.Units.SI.MassFlowRateGg (from PackedColumnBasic)Gas massic flow rate
Modelica.Units.SI.VolumeFlowRateQl (from PackedColumnBasic)Liquid volumetric flow rate
Modelica.Units.SI.VolumeFlowRateQg (from PackedColumnBasic)Gas volumetric flow rate
Modelica.Units.SI.VelocityVl (from PackedColumnBasic)actual liquid velocity, referenced to the empty column
Modelica.Units.SI.VelocityVg (from PackedColumnBasic)actual gas velocity, referenced to the empty column
Modelica.Units.SI.DensityRhoL (from PackedColumnBasic)
Modelica.Units.SI.DensityRhoG (from PackedColumnBasic)
RealFg (from PackedColumnBasic)Gas Load factor at operating conditions
RealFgFl1 (from PackedColumnBasic)Gas Load factor at loading conditions
Modelica.Units.SI.DynamicViscosityMuL (from PackedColumnBasic)Dynamic viscosity of liquid phase
Modelica.Units.SI.ReynoldsNumberReL (from PackedColumnBasic)Reynolds number of liquid phase at operating conditions
Modelica.Units.SI.FroudeNumberFrL (from PackedColumnBasic)Froude number of liquid at operating conditions
Modelica.Units.SI.MassFlowRateGlFl1 (from PackedColumnBasic)Liquid massic flow rate at flooding
Modelica.Units.SI.MassFlowRateGgFl1 (from PackedColumnBasic)Gas massic flow rate at flooding
Modelica.Units.SI.VolumeFlowRateQlFl1 (from PackedColumnBasic)Liquid volumetric flow rate at flooding
Modelica.Units.SI.VolumeFlowRateQgFl1 (from PackedColumnBasic)Gas volumetric flow rate at flooding
Modelica.Units.SI.VelocityVlFl1 (from PackedColumnBasic)Liquid flooding velocity
Modelica.Units.SI.VelocityVgFl1 (from PackedColumnBasic)Gas flooding velocity
Modelica.Units.SI.ReynoldsNumberReLfl1 (from PackedColumnBasic)Reynolds number of liquid phase at flooding conditions
FractionLoad (from PackedColumnBasic)fraction of maximum gas Load, at operating conditions
RealDiffP_h (from PackedColumnBasic)pressure drop per meter of packing in (Pa/m)
MediumL.ThermodynamicStateStateL (from PackedColumnBasic)
MediumG.ThermodynamicStateStateG (from PackedColumnBasic)
RealFlvflow parameter
RealX
RealY
RealFppacking factor