modul aliran seragam.pdf

modul aliran seragam.pdf modul aliran seragam.pdf

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Penampang 2 : ( ) ( ) 2 6 + 2,4 2,4 + 6 + 2,4 + 2,4 × 1,80 39, m A 2 = = 60 O = 6 + 2 × 2,4 2 12, 79 2 = m R 2 = = A O 2 2 3,10 = 39,60 12,79 m 2 3 2 3 R2 = 3,10 = 2,12 K 2 1 2 3 = A2 R2 n 1 = × 39,60× 2,12 0,040 = 2103,33

Penampang 3 : ( 1,5 × 1,8) 2 3 + 3 + A 3 = × 1,80 = 7, 83 2 m 2 O = 3 + 1,8 1 + 1,5 6, 245 3 = m 7 ,83 2 3 R 3 = = 1, 254 m R 1, 163 6 , 245 3 = 1 2 3 1 K 3 = A3 R3 = × 7,83 × 1,163 = 260 ,125 n 0,035 V = = ⎛ ⎜ ⎝ 3 ∑ K ⎞ ⎟i 2 3 3 1 ⎠ ( K 1 + K 2 + K 3 ) i = A ( A1 + A2 + A3 ) ( 929 ,92 + 2103 ,33 + 260 ,125 ) 24 ,03 + 39 ,60 + 7,83 2 3 0,0016 = 3293 ,38 0,0016 71 ,46 = 131 ,735 71 ,46 = 1,84 cm det

Penampang 3 :<br />

( 1,5 × 1,8) 2<br />

3 + 3 +<br />

A<br />

3<br />

=<br />

× 1,80 = 7, 83<br />

2<br />

m<br />

2<br />

O = 3 + 1,8 1 + 1,5 6, 245<br />

3<br />

=<br />

m<br />

7 ,83<br />

2 3<br />

R<br />

3<br />

= = 1, 254 m R 1, 163<br />

6 , 245<br />

3<br />

=<br />

1 2 3 1<br />

K<br />

3<br />

= A3<br />

R3<br />

= × 7,83 × 1,163 = 260 ,125<br />

n 0,035<br />

V<br />

=<br />

=<br />

⎛<br />

⎜<br />

⎝<br />

3<br />

∑<br />

K<br />

⎞<br />

⎟i<br />

2<br />

3<br />

3<br />

1 ⎠ ( K<br />

1<br />

+ K<br />

2<br />

+ K<br />

3<br />

) i<br />

=<br />

A ( A1<br />

+ A2<br />

+ A3<br />

)<br />

( 929 ,92 + 2103 ,33 + 260 ,125 )<br />

24 ,03<br />

+<br />

39 ,60<br />

+<br />

7,83<br />

2<br />

3<br />

0,0016<br />

=<br />

3293<br />

,38 0,0016<br />

71 ,46<br />

=<br />

131 ,735<br />

71 ,46<br />

=<br />

1,84<br />

cm<br />

det

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