modelCircle
Circle or characteristic average dimension
Extends from PartialGeometry.
Information
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Boolean | use_Dimension | true | =true to specify characteristic dimension else cross-sectional area and wetted perimeter |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| SI.Length | dimension_avg | 0.01 | Characteristic dimension (e.g., hydraulic diameter) |
| SI.Area | crossArea_avg | 0.25*Modelica.Constants.pi*dimension_avg*dimension_avg | Cross sectional area |
| SI.Length | perimeter_avg | Modelica.Constants.pi*dimension_avg | Wetted perimeter |
| Units.NonDim | k_lam | 1.0 | Laminar region geometric correction coefficient |
| Units.NonDim | k_turb | 1.0 | Turbulent region geometric correction coefficient |
| SI.Length | dimension (from PartialGeometry) | 0.01 | Characteristic dimension (e.g., hydraulic diameter) |
| SI.Area | crossArea (from PartialGeometry) | 0.25*Modelica.Constants.pi*dimension*dimension | Cross-sectional area |
| SI.Length | perimeter (from PartialGeometry) | Modelica.Constants.pi*dimension | Wetted perimeter |
| SI.Length | dlength (from PartialGeometry) | 1.0 | Pipe length |
| SI.Angle | angle (from PartialGeometry) | 0.0 | Vertical angle from the horizontal (-pi/2 < x <= pi/2) |
| SI.Length | dheight (from PartialGeometry) | dlength*sin(angle) | Height change (port_b - port_a) |
| SI.Height | roughness (from PartialGeometry) | 2.5e-5 | Average height of surface asperities |
| Units.NonDim[2] | ks (from PartialGeometry) | Geometric correction coefficients: {laminar, turbulent} |