Problem

$2$

:

Water flows through an

$8$

$0$

$0$

$-$

m

$$long horizontal pipe with diameter of

$2$

$0$

$-$

c

m

$.$

$$The pipe is

made of cast iron and the rate of flow was measured to be

$0$

$.$

$3$

$5$

m

$3$

s

$.$

a

$)$

$$Calculate the friction headloss in the pipe in meters using Darcy

$-$

Weisbach method.

Consider the pipe roughness to be

$)$

$.$

$($

Kinematic viscosity of water

$($

:

v

$=$

$1$

$.$

$0$

$0$

$\backslash$times

$1$

$0$

$-$

$6$

m

$2$

s