functionRayleighNumber
function for calculating the rayleigh number
Extends from TransiEnt.Basics.Icons.Function.
Information
1. Purpose of model
This model calculates the rayleigh number for the heat models of the CSTR
2. Level of detail, physical effects considered, and physical insight
(Description)
3. Limits of validity
(Description)
4. Interfaces
(none)
5. Nomenclature
kinematic viscosity nue
prandtl number Pr
temperature difference dT
linear expansion coefficient beta
6. Governing Equations
Ra :=g*beta*dT*(l^3)*Pr/(nue^2);
7. Remarks for Usage
(none)
8. Validation
(no validation or testing necessary)
9. References
(none)
10. Version History
Model created by Philipp Jahneke (philipp.koziol@tuhh.de), August 2018
Inputs
Outputs
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Units.SI.RayleighNumber | Ra |