Page 131 - ebook fluid mechanics_finalize
P. 131
FLUID MECHANICS
v 2
Total energy at D = 2
2 g
( 634.0 ) 2
=
2 ( 81.9 )
0= . 020 m
1 v 2
Loss at entry, B = 1
2 2 g
1 ( 426.1 ) 2
=
2 2 ( 81.9 )
0= . 052 m
4 fL v 2
Frictional loss in BC = 1 1
d 1 2 g
4 ( 0048.0 )( ) ( 426.115 ) 2
=
. 0 050 2 ( 81.9 )
0= . 597 m
(v − v ) 2
Shock loss at C = 1 2
2 g
( 426.1 − . 0 634 ) 2
=
2 ( 81.9 )
0= . 032 m
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