Rateau formula

Rateau formula

[rä′tō ‚for·myə·lə]
(fluid mechanics)
A formula, m = A2 p1(16.367 - 0.96 log p1)/1000, for determining the discharge m of saturated steam in pounds per second through a well-rounded convergent orifice; A2 is the area of the orifice in square inches, and p1 the reservoir pressure in pounds per square inch.