modelTruncatedPyramid
rectangular truncated pyramid
Extends from ClaRa.Basics.ControlVolumes.Fundamentals.Geometry.GenericGeometry (All shapes || Base class), TransiEnt.Storage.Heat.PackedBedStorage_L4.Basics.StorageAirVolumeGeometry.StorageAirVolumeGeometry (All shapes || Base class).
Information
1. Purpose of model
Model for geometry of air volumes at packed bed storage in and outlet. The geometry is a truncated pyramid with the larger rectangle at the packed bed.
2. Level of detail, physical effects considered, and physical insight
(Description)
3. Limits of validity
(Description)
4. Interfaces
(none)
5. Nomenclature
(no elements)
6. Governing Equations
(no equations)
7. Remarks for Usage
(none)
8. Validation
(no validation or testing necessary)
9. References
(none)
10. Version History
Model created by Michael von der Heyde (heyde@tuhh.de) for the FES research project, March 2021
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Integer | N_heat (from GenericGeometry) | 2 | No. of heat transfer areas |
| SI.Length | h_length | sqrt(height^2 + ((width_1 - width_2)/(2*height))^2) | |
| SI.Length | h_width | sqrt(height^2 + ((length_1 - length_2)/(2*height))^2) | |
| Essential Geometry Definition | |||
| Units.Volume | volume (from GenericGeometry) | 1 | Volume of the component |
| Units.Area[N_heat] | A_heat (from GenericGeometry) | ones(N_heat) | Heat transfer area: /1/ dedicated to lateral surface |
| Units.Area[N_heat] | A_heat_CF (from GenericGeometry) | {A_heat[i]*CF_geo[i] for i in 1:N_heat} | Corrected heat transfer area: /1/ dedicated to lateral surface |
| Real[N_heat] | CF_geo (from GenericGeometry) | ones(N_heat) | Correction factor for heat transfer area: /1/ dedicated to lateral surface |
| Units.Area | A_cross (from GenericGeometry) | 1 | Cross section for mass flow |
| Units.Area | A_front (from GenericGeometry) | 1 | Frontal area |
| Units.Area | A_hor (from GenericGeometry) | 1 | Nominal horizonal area |
| Integer | N_inlet (from GenericGeometry) | 1 | Number of inlet ports |
| Integer | N_outlet (from GenericGeometry) | 1 | Number of outlet ports |
| Units.Length[N_inlet] | z_in (from GenericGeometry) | ones(N_inlet) | Height of inlet ports |
| Units.Length[N_outlet] | z_out (from GenericGeometry) | ones(N_outlet) | Height of outlet ports |
| Units.Length | height_fill (from GenericGeometry) | 1 | Fillable height of component |
| Real[:,2] | shape (from GenericGeometry) | [0, 1; 1, 1] | Shape factor, i.e. A_horitontal=A_hor*interp(shape, relLevel) |
| SI.Length | width_2 | 1 | Width of the samller rectangle |
| SI.Length | length_2 | 1 | Length of the samller rectangle |
| SI.Length | width_1 | 1 | Width of the larger rectangle |
| SI.Length | length_1 | 1 | Length of the larger rectangle |
| General › Essential Geometry Definition | |||
| SI.Length | height | 1 | Height of the truncyted pyramid |