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4.4.1. The total discharge from

`A`

to

`B`

in Figure

`P4.4.1`

is

`0.936(m^(3))/(s)`

. Pipe 1 is

`100m`

long with a diameter of

`40cm`

, and pipe 2 is

`100m`

long with a diameter of

`50cm`

. Determine the head loss between

`A`

and

`B`

(junctions) and the flow rate in each pipe using (a) Hardy-Cross principles and (b) the method of equivalent pipes. Assume

`e_(1)=2.0mm`

and

`e_(2)=1.25mm`

for the highly tuberculated pipes,

`20\deg C`

water, and minor losses are negligible. Hint: A direct solution is possible using the conservation of mass and energy principles. Figure P4.4.1