Head Loss at Pipe Abrupt Exit Equation and Calculator

Fluids Flow Engineering
Hydraulic & Pneumatic Design Engineering

Head Loss at Pipe Abrupt Exit Equations and Calculator of a fluid. The head loss coefficient is 1.0 for an immediate pipe exit.

Head Loss at Pipe Abrupt Exit Equations and Calculator

The head loss hLcan be calculated as:

hL= kloss x (um2 / (2 x g) )

Where k loss is the head loss coefficient, (um is the mean flow velocity in the pipe, and g is the gravitational acceleration. kloss is 1.0 for an immediate pipe exit.

Where:

um = Flow Velocity m/s
hL = Head Loss (m)
kloss = Head Loss - dimension less
Dh = Diameter Ratio - dimension less
g = 9.80665 m/s2 or 32.174 ft/s2

References

Idel'chik, I E. and Fried, Erwin., Flow Resistance, a Design Guide for Engineers , Taylor & Francis, Washington D.C. 1989. p 349.

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