private formula
This equation calculates the minimum safety valve orifice area for gases accorind to AD2000 Merkblatt A2. The α0 variable is a calibration constant specifice for the safety valve type
| A | Mimimum orifice area (dimensionless) |
| q | Mass flow (dimensionless) |
| ψ | Outflow function (dimensionless) |
| α | Asssigned outflow number (dimensionless) |
| p | Absolute pressure (dimensionless) |
| T | Temperature (dimensionless) |
| Z | Real gas factor (dimensionless) |
| M | Mol weight (dimensionless) |