modelSuspensionProperties_pT
Model calculating material properties of anaerobic sludge
Extends from Modelica.Icons.MaterialProperty (Icon for property classes).
Information
1. Purpose of model
(Description)
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
[1] Wills, B. A., & Napier-Munn, T. (2005) Metallurgical accounting, control and simulation
[2]Kim, Y., & Parker, W. (2008) of sludge acc. to Chen, Y. R. (1983). Thermal properties of beef cattle manure
[3]Chen, Y. R. (1983). Thermal properties of beef cattle manure
[4]Achkari-Begdouri, A., & Goodrich, P. R. (1992). Rheological properties of Moroccan dairy cattle manure
10. Version History
Model created by Philipp Jahneke (philipp.koziol@tuhh.de), August 2018
Model adapted for TransiEnt by Jan Westphal (j.westphal@tuhh.de), May 2020
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| TransiEnt.Producer.Gas.BiogasPlant.MaterialValues.Records.ManureParticles | solids | ||
| TILMedia.VLEFluidTypes.BaseVLEFluid | fluid | simCenter.fluid1 | water as solvent |
| Boolean | useFixedViscosity | false | enable if Apparent Viscosity of sludg shall be set instead of being calculated from Temperature, Stirring Speed and Solids Content |
| Modelica.Units.SI.DynamicViscosity | eta_fixed | 0.1 | set fixed Apparent Viscosity |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| TransiEnt.SimCenter | simCenter | ||
| Modelica.Units.SI.Pressure | p | 101300 | pressure in Suspension |
| Modelica.Units.SI.Temperature | T | 293.15 | Temperature of Suspension |
| Modelica.Units.SI.MassConcentration | TSS | 10 | Total Solids Concentration in g/l |
| Modelica.Units.SI.Frequency | gamma | 2 | Average Shear rate as induced by stirrer |
| Modelica.Units.SI.Density | rho | Density of Sludge | |
| Modelica.Units.SI.SpecificHeatCapacity | cp | specific heat capacity of Suspension | |
| Modelica.Units.SI.ThermalConductivity | lambda | Thermal Conductivity of Suspension | |
| Modelica.Units.SI.DynamicViscosity | eta | Dynamic Viscosity of Suspension either variable or as input | |
| Modelica.Units.SI.DynamicViscosity | eta_calc | Calculated Dynamic Viscosity of Suspension | |
| Modelica.Units.SI.PrandtlNumber | Pr | eta*cp/lambda | Prandtl number of Suspension |
| Real | W | 1 - TSS/rho | Water content in Suspension as mass fraction |
| Real | TS | TSS/rho | Mass fraction of Solids in Suspension |
| Real | phi | TSS/solids.rho | Volume fraction of Solids in Suspension |
| Real | K | consistency index of manure | |
| Real | n | flow index of manure | |
| TILMedia.Internals.VLEFluidConfigurations.FullyMixtureCompatible.VLEFluid_pT | vleFluid |