modelStichlmair

Stichlmair

Extends from BaseHoldup.

Information

Correlation for liquid volume flow rate: equation (3.2) from publication [1].

 
[1] Stichlmair: Dimensionierung des Gas/Flüssigkeits-Kontaktapparates Bodenkolonne, Teil II, Chem. Ing. Tech. 50, Nr. 5

Parameters

TypeNameDefaultDescription
Integern (from BaseHoldup)
BooleanconsiderStartUp (from BaseHoldup)
BooleanconstProp (from BaseHoldup)falseconstant values for density and surface tension
SI.Densityrho_l_const (from BaseHoldup)1000constant value for liquid density
SI.Densityrho_v_const (from BaseHoldup)2constant value for vapour density
SI.SurfaceTensionsigma_const (from BaseHoldup)0.075constant value for surface tension
ThermalSeparation.Units.F_FactorF_max_const1guess initial max. vapour load
ThermalSeparation.Units.F_FactorF_const0.2guess initial vapour load
Realtime_F0time, when the F-factor shall be no longer constant, but shall be calculated

Components

TypeNameDefaultDescription
SI.Density[n]rho_l (from BaseHoldup)
SI.Density[n]rho_v (from BaseHoldup)
SI.SurfaceTension[n]sigma (from BaseHoldup)
Real[n]omega (from BaseHoldup)
SI.Length[n]h (from BaseHoldup)height of the 2ph region on the tray
SI.VolumeFlowRate[n]Vdot_v (from BaseHoldup)vapour volume flow rate
SI.VolumeFlowRate[n]Vdot (from BaseHoldup)
Real[n]eps_liq_2ph (from BaseHoldup)liquid fraction in the two-phase area on the plate
ThermalSeparation.Units.F_Factor[n]F (from BaseHoldup)F-factor based on the active area
ThermalSeparation.Units.F_Factor[n]F_max (from BaseHoldup)maximum vapour load
Geometrygeometry (from BaseHoldup)
SI.Density[n]rho_liq (from BaseHoldup)if constProp then fill(rho_l_const, n) else rho_l
SI.Density[n]rho_vap (from BaseHoldup)if constProp then fill(rho_v_const, n) else rho_v
SI.SurfaceTension[n]sigma_liq (from BaseHoldup)if constProp then fill(sigma_const, n) else sigma