recordGeometry
Extends from ThermalSeparation.Geometry.BasicGeometry (geometry record for both column types).
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Integer | n (from BasicGeometry) | 1 | plate column: number of trays in one section, packed column: number of discrete elements in the section |
| SI.SpecificHeatCapacity | c_solid (from BasicGeometry) | 100 | specfic heat capacity of the solid in the column |
| SI.Density[n] | rho_solid (from BasicGeometry) | 1000*ones(n) | density of the solid material in the column (NOT the column wall) |
| SI.Diameter | d (from BasicGeometry) | 0.2 | inner column diameter |
| SI.Area | A (from BasicGeometry) | Modelica.Constants.pi/4*d^2 | Cross sectional area of the column |
| SI.Length | H (from BasicGeometry) | 10 | height of the section |
| SI.Length | t (from BasicGeometry) | 0.05 | wall thickness |
| Boolean | hasInsulation (from BasicGeometry) | true | true if column is insulated |
| SI.Length | s (from BasicGeometry) | 0.01 | insulation thickness |
| SI.Radius | r1 (from BasicGeometry) | d/2 | inner radius of column |
| SI.Radius | r2 (from BasicGeometry) | r1 + t | outer radius of column (not considering insulation) |
| SI.Radius | r3 (from BasicGeometry) | if hasInsulation then r1 + t + s else r1 + t | outer radius of column + insulation |
| SI.Density | rho_wall (from BasicGeometry) | 1000 | density of the column wall |
| SI.SpecificHeatCapacity | c_wall (from BasicGeometry) | 1000 | specific heat capacity of the column wall |
| SI.ThermalConductivity | lambda_wall (from BasicGeometry) | 50 | Thermal conductivity of the column wall |
| SI.ThermalConductivity | lambda_ins (from BasicGeometry) | 0.02 | Thermal conductivity of insulation |
| SI.VolumeFraction | eps | 1 | void fraction in the column (plate columns: ~1) |
| Real | h_w | 0.5 | weir height |
| Real | l_w | 1 | weir length |
| Real | A_free | 0.09 | free cross-sectional area where the vapour passes the plate |
| SI.Area | A_plate | 0.9 | area of the plate (cross-sectional area minus the area of the liquid outlet area) |
| Real | phi | A_free/A_plate | relative freie Lochflaeche in Prozent, Stichlmair S. 8 und S. 21 |
| SI.Length | TS | H/n | plate spacing |
| SI.Diameter | d_h | 0.004 | diameter of the holes (sieve tray) |
| Real | alpha | 0.61 | value of contraction (sieve tray) |
| Real | zeta | (1/alpha - 1)^2 + (1 - phi)^2 | s. Sti78 |