elements.catalog.orifice
elements.catalog.orifice(throat_area, name='orifice', eps=None)Orifice plate: an isentropic contraction to the throat, then a Borda-Carnot loss.
The De Domenico (2019) assembly at maximum loss – an :func:isentropic_area_change to the throat area throat_area followed by a :func:sudden_area_change (Borda re-expansion) back to the downstream edge area. The two external edges carry the upstream (A1) and downstream (A2) areas; the internal throat edge carries throat_area.
Parameters
| Name | Type | Description | Default |
|---|---|---|---|
| throat_area | float | Throat (vena-contracta plane) area [m^2]; must be smaller than both external areas for a genuine orifice. | required |
| name | str | Display name; sub-elements are namespaced (orifice.iac / orifice.sac). |
'orifice' |
| eps | float | Sharpens the embedded sudden-area-change switch (see :func:sudden_area_change); use a small value when the flow is one-directional and an accurate perturbation jump is wanted. |
None |
Returns
| Name | Type | Description |
|---|---|---|
| CompositeElementSpec |