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









                                                                                                            120
   126   127   128   129   130   131   132   133   134   135   136