Exercise $2$

Water is pumped through the system sketched below.

D$=300$mm$,$ L$=140$m$.$

z$\_(1)=200$m$,$ z$\_(2)=235$m

Elbow raduis is $300$ mm

water $20\backslash$deg C Table A$\mathrm{.}5($EFM$11$e$)$

u $=10^(-6)($m$^(2))/($s$)$; $\backslash$gamma $=9790($N$)/(\backslash$mu $^(3))$

From Table $10\mathrm{.}4($EFMIIe$)$: k$\_($s$)=0\mathrm{.}046$mm$.$

K$\_(\backslash$epsi $)=0\mathrm{.}03$; K$\_($b$)=0\mathrm{.}35$; K$\_($E$)=1\mathrm{.}0$

Pipe entrance is well$-$rounded: $($r$)/($D$)>0\mathrm{.}2.$

Question $-$

$($a$)$ What is the head curve equation $-$ ANSW

h$\_($p$)=35+85\mathrm{.}6$Q$^(2)$