modelParticlemodel
pressure loss using the particle model, for random packings
Extends from ThermalSeparation.PressureLoss.RandomPackedColumn.BasicPressureLossPacked (basic pressure loss model for a plate column).
Information
Correlation equals equation 10 from publication [1].
[1] Volker Engel: "Fluiddynamik in Füllkörper- und Packungskolonnen für Gas/Flüssigsysteme", Chemie Ingenieur Technik (72), S. 700-703
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Integer | n (from BasicPressureLoss) | 8 | |
| SI.Height | h | geometry.H/n | height of one discreet element |
| Use of nominal values | |||
| Boolean | rho_const (from BasicPressureLoss) | false | rho is set constant (rho = rho_nom) for calculation of k |
| SI.Density | rho_l_nom (from BasicPressureLoss) | 1000 | |
| SI.Density | rho_v_nom (from BasicPressureLoss) | 1 | |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| MediumLiquid.ThermodynamicProperties[n] | propsLiq (from BasicPressureLoss) | ||
| MediumVapour.ThermodynamicProperties[n] | propsVap (from BasicPressureLoss) | ||
| SI.VolumeFlowRate[n] | Vdot_l (from BasicPressureLoss) | ||
| SI.Pressure[n + 1] | p (from BasicPressureLoss) | ||
| SI.VolumeFlowRate | Vdot_in (from BasicPressureLoss) | ||
| Real[n] | eps_liq (from BasicPressureLoss) | ||
| SI.VolumeFlowRate[n] | Vdot (from BasicPressureLoss) | ||
| SI.Pressure | p_v_in (from BasicPressureLoss) | ||
| HomotopyMethod | homotopyMethod (from BasicPressureLoss) | ||
| Geometry | geometry (from BasicPressureLossPacked) | ||
| Real[n] | hu_dyn (from BasicPressureLossPacked) | dynamic holdup | |
| SI.Diameter[n - 1] | d_L | average d_L for the discrete elements | |
| SI.Diameter | d_L_in | d_L for the first half of the first discrete element | |
| SI.Diameter | d_L_out | d_L for the second half of the last discrete element | |
| Real[n - 1] | hu_dyn_av | ||
| SI.Density[n - 1] | rho_v_av |