moody

SC

Friction factor f

0.1

0.09

0.08

0.07

0.06

0.05

0.0<

0.03

0.025

0.02

0.015

Laminar Critical Transitior\ - flow —4-zone-u^79nn

... i '.    -L.lv- 1 V.

l    .... .ii i3Ł; >».*.

t ł*.‘ i iyi w- »a ii i Sr. v,

ti: wl*.t» <♦*.“

■ " .    ■. r. V.-...: —. •••.    v. ;L.v,    ..    ...

Im* '• ••    Lr --J. C.\    . '*■ '■ L'.«i'SJ ’ Kr.f.’- '    ••    ¹ i r .?•.»< . .. ...

^{: ;} _____ ...

I    I

I . «sj

0.01

0.009

0.008

Relative roughness

Reynolds number R

°°000j

Complete turbulence, roiigh pipes

aasr.ęm

v'-»?5‘: -'v-

■

- ■ f\

.    ... ±    \    •

cuu.t:.*.    \    .•    ..<

i

.: ...    .    .    . ,

•    -    V

.......

^5"' Figurę 7.9 The Moody chart for friction facur (from f31S.