modelHeatTransferInsideReactor
Model calculating the heat transfered between fluid and vessel walls
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^2/4 + D*height) | Area through which heat is transported by Convection |
| Modelica.Units.SI.Diameter | D | 1 | inner Diameter of reactor |
| Modelica.Units.SI.Height | height | 1 | Height of fluid inside reactor |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| ClaRa.Basics.Interfaces.HeatPort_a | heat_solid | heat port for heat transfer between fluid and vessel walls | |
| ClaRa.Basics.Interfaces.HeatPort_b | heat_fluid | heat port for heat transfer between fluid and vessel walls |
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.NusseltInsideCSTR(Re = Re, Pr = fluidProperties.Pr, eta = fluidProperties.eta, eta_w = eta_w, C1 = C1) | Nusselt Number |
| Modelica.Units.SI.ReynoldsNumber | Re | Reynolds number | |
| Real | C1 | geometrical Coefficient in Nusselt-Equation | |
| Modelica.Units.SI.HeatFlowRate | Q_flow | Heat flow rate from solid -> fluid | |
| Modelica.Units.SI.TemperatureDifference | 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 |