modelRectangleAnnular
Extends from TRANSFORM.HeatAndMassTransfer.FinEfficiency.BaseClasses.PartialFinEfficiency.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Boolean | use_NonDimensional | false |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Blocks.Interfaces.RealOutput | y (from PartialFinEfficiency) |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| SI.Efficiency | eta (from PartialFinEfficiency) | Fin efficiency | |
| SI.CoefficientOfHeatTransfer | alpha | Average heat transfer coefficient | |
| SI.ThermalConductivity | lambda | Thermal conductivity | |
| SI.Length | r_inner | Fin inner radius | |
| SI.Length | r_outer | Fin outer radius | |
| SI.Length | th | Fin thickness | |
| Units.NonDim | mr_inner | sqrt(2*alpha/(lambda*th))*r_inner | Non-dimensional r_inner fin parameter |
| Units.NonDim | mr_outer | sqrt(2*alpha/(lambda*th))*r_outer | Non-dimensional r_outer fin parameter |
| SI.Length | pitch | Fin pitch | |
| SI.Area | surfaceArea | 2*Modelica.Constants.pi*(r_outer^2 - r_inner^2) + surfaceArea_tip | |
| SI.Area | surfaceArea_tip | 2*Modelica.Constants.pi*r_outer*(th) | |
| SI.Area | surfaceArea_pitch | 2*Modelica.Constants.pi*r_inner*(pitch) | |
| SI.Area | surfaceArea_base | 2*Modelica.Constants.pi*r_inner*(th) | |
| SI.Area | surfaceArea_total | surfaceArea + surfaceArea_pitch - surfaceArea_base | |
| SI.Efficiency | eta_overall | Efficiency of an array of fins |