h1
h2
z1
z2
L1
L2
L3
d1
d2
1
1
2
2
pp1
pp2
1-2
h1+z1+P1/ęg=h2+z1+Pa/ęg
+Ehstr.
p1
pa
Ehstr.=h1-h2+(P1-
Pa)/ęg
Ehstr.= 0,62-041+
((102500-
98100)/9,81*1000)=0,66
V2=(A1/A2)*V1=0,69*V1
Ehstr.=(V1
2
/2g)*(ξ1+ξ2+(λ1*(L(1+2)/d1))+(V2
2
/2g)*(ξ3+
(λ2*(L(3)/d2))
V1= ((Ehstr*2g)/(ξ1+ξ2+ξ3*0,476+ λ1*(L(1+2)/d1+ λ2*L(3)/d2*0,476)
1/2
V1=1,2 m/s V2=0,83 m/s
Ehstr.=(1,44/2*9,81)*(0,25+3,2+(0,04*17,5/0,15))
+(0,685/2*9,81)*(0,04+(0,035*(8,75/0,18)==0,0734*8,1166 + 0,0349*1,7413
= 0,5957 + 0,0607 = 0,66
Q1=V1*A1=0,0212 m3/s Q2=V2*A2=0,0212 m3/s
ξ1
ξ2
ξ3