Page 397 - Civil Engineering Formulas
P. 397

20

                                                        19  18
                                                  Expensive stilling basin and rough surface conditions  17  16







                                              Strong jump  15  14


                                  d 2
                                                        13
                                                        12
                                                  Acceptable  performance  11
                             L

                                                        10  F 1 = V 1/√gd 1 Length of hydraulic jump in a horizontal channel depends on sequent depth d 2 and the Froude number of the approaching flow.
                               Roller  d 1  V 1         9


                                                        8
                                              Steady jump  Best  performance  7  6




                                                        5  4

                                             Weak Oscillating  jump  jump  Wavy  3  2





                                             Undular  jump  Surface  turbulence only  1


                                                        0      FIGURE 12.18
           7          6          5          4          3
                                L  d 2


                                    324
   392   393   394   395   396   397   398   399   400   401   402