Minor Losses

Minor Loss — Pipe Entrance

Head loss as water enters a pipe from a reservoir or tank.

Formula
hL = K · V² / (2g)
Resultlive
Loss coefficient, K
0.50
Velocity head, V²/2g
0.11468m
Entrance head loss, hL
0.057339m
Reference: Typical K values from standard hydraulics references (e.g. Idelchik, Mays).