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Apostila Mec. Flu

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Aula 12<br />

Prof. MSc. Luiz Eduardo Miranda J. Rodrigues<br />

Solução do Exercício 2<br />

Equação de Bernoulli<br />

Substituir (I) em (II)<br />

P1<br />

+<br />

γ<br />

v<br />

2<br />

1<br />

2 ⋅ g<br />

+<br />

z<br />

1<br />

=<br />

P<br />

γ<br />

2<br />

+<br />

v<br />

2<br />

2<br />

2 ⋅ g<br />

+<br />

z<br />

2<br />

h ⋅<br />

2 2<br />

( γ<br />

Hg<br />

− γ<br />

H 20<br />

) v2<br />

− v1<br />

γ<br />

H 2O<br />

=<br />

2 ⋅ g<br />

γ<br />

P<br />

1<br />

H 2O<br />

+<br />

v<br />

2<br />

1<br />

2 ⋅ g<br />

=<br />

γ<br />

P<br />

2<br />

H 2O<br />

+<br />

v<br />

2<br />

2<br />

2 ⋅ g<br />

0,1 ⋅ (136000 −10000)<br />

10000<br />

=<br />

v<br />

2 2<br />

2<br />

− v1<br />

20<br />

P<br />

1<br />

γ<br />

− P<br />

H 2O<br />

2<br />

=<br />

v<br />

2<br />

2<br />

− v<br />

2 ⋅ g<br />

2<br />

1<br />

(II)<br />

1,26<br />

=<br />

v<br />

2 2<br />

2<br />

− v1<br />

20<br />

v<br />

2 2<br />

2<br />

− v1<br />

=<br />

25,2<br />

(III)<br />

<strong>Mec</strong>ânica dos <strong>Flu</strong>idos

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