modelZehnerBauerSchluender
Zehner/Bauer/Schluender Correlation
Extends from TransiEnt.Storage.Heat.PackedBedStorage_L4.Basics.EffectiveThermalConductivity.ThermalConductivityBasePackedBed (Partial thermal conductivity model for packed beds).
Information
1. Purpose of model
effective thermal conductivity of packed bed at stagnant fluid according to model by Zehner/Bauer/Schlünder
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
German Association of Engineers, Heat Atlas, 11th ed., 2013., section Dee
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 |
|---|---|---|---|
| String | gas (from ThermalConductivityBasePackedBed) | "true" | |
| Boolean | useHomotopy (from ThermalConductivityBasePackedBed) | ||
| Real | epsilon | 0.85 | Long wave emission factor |
| Real | CF | 1.4 | Additional form factor |
| Real | Phi | 0.001 | Form Coefficient Phi |
| Real | B | CF*((1 - iCom.porosity)/iCom.porosity)^(10/9) |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| TransiEnt.Storage.Heat.PackedBedStorage_L4.Basics.Records.IComPackedBedControlVolume_L4 | iCom (from ThermalConductivityBasePackedBed) | ||
| TransiEnt.Storage.Heat.PackedBedStorage_L4.Basics.PackedBedGeometry.PackedBedGeometry_N_cv | geo (from ThermalConductivityBasePackedBed) | ||
| SI.MassFlowRate[iCom.N_cv + 1] | m_flow (from ThermalConductivityBasePackedBed) | Mass flow rate | |
| SI.Power[iCom.N_cv + 1] | Q_flow (from ThermalConductivityBasePackedBed) | Heat Conduction between cells | |
| SI.ThermalConductivity[iCom.N_cv] | lambda_eff_axial (from ThermalConductivityBasePackedBed) | Effective Thermal Conductivity of Packed Bed | |
| SI.ThermalConductivity[iCom.N_cv] | lambda_eff_radial (from ThermalConductivityBasePackedBed) | Effective Thermal Conductivity of Packed Bed | |
| TILMedia.Gas_ph[iCom.N_cv] | fluid | ||
| TransiEnt.Basics.Media.SolidWithTemperatureVariantHeatCapacity[iCom.N_cv] | rock | ||
| ClaRa.Basics.Units.ThermalConductivity | lambda_eff_0 | Effective Thermal Conductivity of Packed Bed at stagnant fluid |