Page 532 - Standard Handbook Petroleum Natural Gas Engineering VOLUME2
P. 532

Flow of Fluids   487







                        where C, = 1.3 and K = 0 for 8 = 0"
                          v,  = 1.3(11.36) + 0 - 14.768 ft/s
                     15. Liquid holdup q, Equation 6-95,






                             =I-  5.48 + ( 1 - 0. 781)( 14.768 - 1 1-36) = o, 578
                                             14.768

                     16. For 8 = 0", calculate  average liquid velocity,  v,,

                          vL = v,  5-88  =
                                  = - lO.l7ft/s
                               H,   0.578
                     17. Calculate ReL and fwL from Equation &97b






                          f*=-= 0.046    0*046  = 3.983~ 10"
                                R::    (205,564)"*

                     18. Average slug density yb from Equation 69%
                          YL, = EJ,   + (1 -

                             = 0.781(53.65) + (1 - 0.7)(10.95)
                             = 44.3 lb/ft5

                     19. The fractional pressure gradient from Equation 6-97a

                                                2(3.983 x loJ)( 44. q(10.17)'
                                                       (9/12)(32.2)
                                = -1.51 132

                     20. The total pressure gradient, since 8 = 0"
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