p - p j/2 _y2
H + Z,-Z^ + J-1 + -1-2-=ft„+ft where:
■1 -3 ,5'
r 2
2g
ftf =/— — ft = r— goK4 j4 = —D2 Jfe = — / ' D 2g « 2g * 4 v
( e ^ 64
If laminar flow Re < 4000 and any — I, / =-—
D
Re
If turbulent flow | 4000 < Re < 10and 0 < — < 0.05 |, then
Colebrook Equation :—===-2.0 log
v/
e/D... / funny pictures :: auto
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