# Orifice flow estimate
# Scope: Incompressible sharp-orifice estimate; discharge coefficient supplied.
# Status: illustrative worked example; engineering review pending.
# Inputs are example values. Checks are editable example requirements, not standards.

diameter = 5 mm
pressureDrop = 10000 Pa
density = 1000 kg/m^3
coefficient = 0.62

flow := coefficient*pi*diameter^2/4*sqrt(2*pressureDrop/density) [L/min]

check flow target: flow >= 2 L/min

scenario alternative: diameter = 4 mm