Page 124 - ebook fluid mechanics_finalize

FLUID MECHANICS

Thus,

( ) 4.3 2   1  2  ( 91.1 ) 2

. 0 655 = 1  +   − 1  −

2 . 9 81  C  2 . 9 81
  C  

  1  2 

12 . 86 = 11 6 . 1  +  − 1  − . 3 65


  C C  



  1  2  16 . 51

1  +   − 1  = = . 1 39

  C C    11 6 .


 1  2
 − 1 = . 0 39


 C C 

 1  1
   − 1 = . 0 625 , = . 1 625 , Coefficient of Contraction, C = . 0 615

 C C  C C C

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