modelHeatTransferInsideReactor_tubeBundle_array
Model calculating the heat transfered between fluid and heating system
Information
1. Purpose of model
(Description)
2. Level of detail, physical effects considered, and physical insight
(Description)
3. Limits of validity
(Description)
4. Interfaces
HeatPort_a: heat_solid
HeatPort_b: heat_fluid
5. Nomenclature
(no elements)
6. Governing Equations
(no equations)
7. Remarks for Usage
(none)
8. Validation
(no validation or testing necessary)
9. References
[1] Kim, Y., & Parker, W. (2008). A technical and economic evaluation of the pyrolysis of sewage sludge for the production of bio-oil. Bioresource technology, 99(5), 1409-1416.
[2] Vesilind, P. A., & Martel, C. J. (1989). Thermal conductivity of sludges. Water research, 23(2), 241-245.
10. Version History
Model created by Philipp Jahneke (philipp.koziol@tuhh.de), August 2018
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Units.SI.Area | A | Modelica.Constants.pi*d*l | Area through which heat is transported by Convection |
| Modelica.Units.SI.Diameter | D | 1 | inner Diameter of reactor |
| Modelica.Units.SI.Diameter | d | 0.1 | tube diameter |
| Modelica.Units.SI.Length | l | Modelica.Constants.pi*(D - d) | |
| Real | n | 8 | number of turns of tube |
| Integer | N_cv | 8 | Number of control volumes |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| ClaRa.Basics.Interfaces.HeatPort_a[N_cv] | heat_solid | ||
| ClaRa.Basics.Interfaces.HeatPort_b | heat_fluid |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| TransiEnt.Producer.Gas.BiogasPlant.MaterialValues.SuspensionProperties_pT | fluidProperties | ||
| TransiEnt.SimCenter | simCenter | ||
| TILMedia.Internals.VLEFluidConfigurations.FullyMixtureCompatible.VLEFluid_pT | vleFluidWall | ||
| Modelica.Units.SI.NusseltNumber | Nu | TransiEnt.Producer.Gas.BiogasPlant.HeatTransfer.ForcedConvection.NusseltCSTR_Coil(Re = Re, Pr = fluidProperties.Pr, eta = fluidProperties.eta, eta_w = eta_w, C2 = C2, D = D, d = d) | Nusselt Number |
| Modelica.Units.SI.ReynoldsNumber | Re | ||
| Real | C2 | ||
| Modelica.Units.SI.HeatFlowRate[N_cv] | Q_flow | Heat flow rate from solid -> fluid | |
| Modelica.Units.SI.TemperatureDifference[N_cv] | dT | = solid.T - fluid.T | |
| Modelica.Units.SI.CoefficientOfHeatTransfer | alpha | Nu*fluidProperties.lambda/D | heat transfer coefficient of convection |
| Modelica.Units.SI.DynamicViscosity | eta_w | Dynamic Viscosity of fluid at wall temperature |