polykin.flow.prv

PRVResult dataclass

Dataclass for pressure relief device results.

ATTRIBUTE	DESCRIPTION
Pcf	Critical flow pressure [bara]. TYPE: float
critical_flow	Flag indicating if the flow is sonic (True) or subsonic (False). TYPE: bool
A	Required effective discharge area [mm²]. TYPE: float

Source code in src/polykin/flow/prv.py

@dataclass(frozen=True)
class PRVResult:
    """Dataclass for pressure relief device results.

    Attributes
    ----------
    Pcf : float
        Critical flow pressure [bara].
    critical_flow : bool
        Flag indicating if the flow is sonic (`True`) or subsonic (`False`).
    A : float
        Required effective discharge area [mm²].
    """
    Pcf: float
    critical_flow: bool
    A: float

    def __repr__(self):
        return f"PRVResult(Pcf={self.Pcf:.2e} bara, critical_flow={self.critical_flow}, A={self.A:.2e} mm²)"