Sheet1PERHITUNGAN
POMPADiketahuiv=2m/sg=9.81m/s2=0.682kg/m3L=252md=0.0762m(viscos)=0.00000242[m2/s]P1=0.08kg/m2vd=2.5m/s2P2=0.08kg/m2vs=1m/s2Ditanya:
DAYA POMPA?Wp= x Q x HtotalPENYELESAIAN:(daya amoniak)(berat jenis
AMONIA)= x g[kg/m2.s2]Whp= x Q x Htotal=6.6904Whp=1.6021[kW](luas
permukaan pipa)A=1/4 x x d2[m2](daya pompa)A=0.0046(DEBIT
AMONIA)Q=v x A[m3/s]Q=0.0091(Head Total)Htot=ha + hp + hl +
(vd2-vs2)/2g(Head statis Total)ha=2.6142[m](perbedaan head
tekanan)hp=hp1-hp2hp1=10 x
P1/[m]hP2=0.1196hp=0.0000hP1=0.1196(mayor dan minor losses)hl=0.020
+ 0.005/dRe=v x d/=0.0266Re=62975.2066(aliran Turbulen)(mayor
Losses)hf= x( L/d) x(v2/2g)[m]hf=17.9086(minor losses belokan
pipa)hf=f x (v2/2g)[m]f(90)=1.12924.838hf=5.0638,hf=f x
(v2/2g)[m]f(45)=0.2360.472hf=0.0962(ujung masuk
pipa)f=0.5600(vd2-vs2/2g)0.2676hf=0.1142(ujung keluar
pipa)f=1hf=0.2039(jumlah Head Lose Minor)Hlm=5.4781Hlt23.3867(Head
Total)Ht=26.2685
