instalatii bord si punte

8/18/2019 instalatii bord si punte

1/10

i 2:=

g 2:=


2/10

Va 0.5 0.1 i+:=

Vr 1 0.1 i+ 0.4 g+:=

Va 0.641=

Vr 2=

OBS

1. N 4:=

4. V 300 5 i+:=

V 310=

5. t 60 5 i+:=

t 70=

11. l1 0.5:= l7 30 2 i+:=

l2 0.5:= l8 2 i:=

l3 1.5 i:= l9 i 2 g+:=

l4 1:= l10 15:=

l5 1:= l11 15 5 g+:=

l6 1:= l12 5:=

Rezolvare

I

I1. Va 0.641=

Vr 2=

I2. V 310=

I3

t 70=

I4. l3 3= l9 6=

l7 34= l11 25=

l8 4=


3/10

I5. Q4 V

60t:=

Q 0.295=

I6 1. SaQ

Va:=

Sa 0.46=

2.a Sr1Q

Vr :=

Sr1 0.148=

b Sr2Q

2 Vr :=

Sr2 0.074=

c Sr3Q

4 Vr :=

Sr3 0.037=

I7. 1. da 2Sa

π:=

da 0.766=

2.a dr1 2Sr1

π:=

dr1 0.434=

b dr2 2Sr2

π:=

dr2 0.307=

c dr3 2

Sr3

π:=

dr3 0.217=


4/10

I8. das 850:=

dr1s 450:=

dr2s 350:=

dr3s 250:=

I9. Sas 0.567:=

Sr1s 0.159:=

Sr2s 0.096:=

Sr3s 0.049:=

I10. Vas

Q

Sas:=

Vas 0.521=

Vr1s Q

Sr1s:=

Vr1s 1.857=

Vr2s Q

2Sr2s:=

Vr2s 1.538=

Vr3s Q

4Sr3s:=

Vr3s 1.506=

Cap 2

II1. d as 0.550:= mm

la l1 l2+ l3+ l4+:=

la 5=

ν 1 10 6-

:=

Re Vas das

ν:=


5/10

Re 2.864 105

=

g 9.81:=

λ 1

1.8 log Re( ) 1.5-( )2

:=

λ 0.014=

hlima λ la

das

Vas2

2 g:=

hlima 1.814 10 3-

=

II2. 1. ξint 0.5:=

g 9.81:=

hint ξintVas

2

2 g:=

hint 6.91 10 3-

=

2. ξf 1.2 0.3:=

g 9.81:=

hf ξf Vas

2

2 g:=

hf 0.049:=

3. α1 60:=

g 9.81:=

ξc1 0.131 0.163 0.8( )3.5+ α190:=

ξc1 0.137=

hc1 ξc1Vas

2

2 g:=


6/10

hc1 1.895 10 3-

=

4. ξv1 0:=

hv1 ξv1 Vas

2

2 g:=

hv1 0=

5. hloca hint hf + hc1+ hv1+:=

hloca 0.058=

6. hta hlima hloca+:=

hta 0.06=

CAP III1.1. dr1s 0.300:=

g 9.81:=

Re Vr1s dr1s

ν:=

Re 5.571 105

=

λ 1

1.8 log Re( ) 1.5-( )2:=

λ 0.013=

lr1 l5 l6+ l7+:=

lr1 36=

hlimr1 λ lr1

dr1s

Vr1s2

2g:=

hlimr1 0.27=

1.2.

dr2s 0.200:= mm

dr3s 0.150:= mm


7/10

Re Vr2s dr2s

ν:=

Re 3.075 105

=

λ 1

1.8 log Re( ) 1.5-( )2

:=

λ 0.014=

lr2 2 l8 l9+ l10+( ):= m

lr2 50= m

g 9.81:=

hlimr2 λ

lr2

dr2s

Vr2s2

2 g:=

hlimr2 0.429=

1.3.

Re Vr3s dr3s

ν:=

Re 2.259 105

=

λ

1

1.8 log Re( ) 1.5-( )2

:=

λ 0.015=

lr3 4 l11 l12+( ):=

lr3 120= m

g 9.81:=

hlimr3 λ lr3

dr3s

Vr3s2

2 g:=

hlimr3 1.397=

1.4.

hlimr hlimr1 hlimr2+ hlimr3+:=


8/10

hlimr 2.096=

2.1

ξv2 4:=

g 9.81:=

hv2 ξv2 Vr1s

2

2 g:=

hv2 0.703=

2.2

α 90:=

ξc2 0.131 0.163 0.6( )3.5

+ α

90:=

ξc2 0.158=

hc2 ξc2 Vr1s

2

2 g:=

hc2 0.028=

2.3.

ξt 0.10:=

ht1 ξt Vr1s2

2 g:=

ht1 0.018=

2.4.

ξv3 4.5:=

hv3 ξv3 Vr2s

2

2 g:=

hv3 0.542=

2.5.

α 90:=

ξc3 0.131 0.163 0.6( )3.5

+ α

90:=


9/10

ξc3 0.158=

hc3 ξc3 Vr2s

2

2 g

:=

hc3 0.019=

2.6.

ξc4 ξc3:=

ξc4 0.158=

hc4 ξc4 Vr2s

2

2 g:=

hc4 0.019=

2.7.ξt 0.10:=

ht2 ξt Vr2s

2

2 g:=

ht2 0.012=

2.8.ξv4 5:=

hv4 ξv4 Vr3s2

2 g:=

hv4 0.578=

2.9.

ξc5 ξc3:=

ξc5 0.158=

hc5 ξc5 Vr3s

2

2 g:=

hc5 0.018=

2.10.

ξs 0.3:=


10/10

hs ξs Vr3s

2

2 g:=

hs 0.035=

2.11.

hlocr hv2 hc2+ ht1+ 2 hv3+ 2 hc3+ 2 hc4+ 2 ht2+ 4 hc5+ 2 hs+:=

hlocr 2.076=

3.

htr hlimr hlocr +:=

htr 4.172=

CAP IVhg 1:= m

Ht hta htr + hg+:=

Ht 5.232=

CAP V

Hf 1.2 Ht:=

Hf 6.278=

Qf 1.2 Q:=

Qf 0.354=

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