modelAssembly
Extends from TRANSFORM.Nuclear.ClosureRelations.Geometry.Models.CoreSubchannels.Generic.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Integer | nV (from Generic) | 4 | # of discrete axial volumes |
| Integer | nSurfaces (from Generic) | 1 | Number of transfer (heat/mass) surfaces for coolant channel |
| Real | nPins (from Generic) | 1 | # of solid media pins |
| Real | nPins_nonFuel (from Generic) | 0 | # of pins non-fueled pins (e.g., control rod guides) |
| Integer[nRegions] | nRs (from Generic) | fill(3, nRegions) | # nodes in each region's radial direction |
| String | assemblyType | "Square" | Assembly type |
| Internal Interface | |||
| Integer | nRegions (from Generic) | 1 | # of regions in solid media |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| SI.Length | width_FtoF_inner | 0.1 | Inner flat to flat distance |
| SI.Length | D_wireWrap | 0 | Wire wrap diameter |
| SI.Length | dimension (from Generic) | 4*crossArea/perimeter | Characteristic dimension (e.g., hydraulic diameter) |
| SI.Area | crossArea (from Generic) | pi*dimension*dimension/4 | Cross-sectional flow areas |
| SI.Length | perimeter (from Generic) | 4*crossArea/dimension | Wetted perimeters |
| SI.Length | length (from Generic) | 1.0 | Pipe length |
| SI.Height | roughness (from Generic) | 2.5e-5 | Average heights of surface asperities |
| SI.Area[nSurfaces] | surfaceArea (from Generic) | {2*pi*rs_outer[end]*length*nPins} | Area per transfer surface |
| SI.Angle | angle (from Generic) | 0.0 | Vertical angle from the horizontal (-pi/2 < x <= pi/2) |
| SI.Length | dheight (from Generic) | length*sin(angle) | Height(port_b) - Height(port_a) distributed by flow segment |
| SI.Length | height_a (from Generic) | 0 | Elevation at port_a: Reference value only. No impact on calculations. |
| SI.Length[nRegions] | rs_outer (from Generic) | {if i == 1 then 0.01 else rs_outer[i - 1] + 0.001 for i in 1:nRegions} | Outer radius of each region {r_outer[1],...,r_outer[n]} |