Related Resources: fluid flow

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.

 

The head loss h_Lcan be calculated as:

h_L= k_loss x (u_m² / (2 x g) )

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

Where:

u_m = Flow Velocity m/s
h_L = Head Loss (m)
k_loss = Head Loss - dimension less
D_h = 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.