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Hydrosystems Hydrulics open channel flow iit nptel _65_

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Hydrosystems Hydrulics open channel flow iit nptel  _65_ Powered By Docstoc
					Hydraulics                                                                                                   Prof. B.S. Thandaveswara



                19.2 Problem: Irregular Channel
                Compute the uniform flow depth for the C.S. when flow is 283 m3/s. n = 0.024,

                S0 = 0.0001

                   River stage (in m) above         Distance to first perimeter        Distance to second perimeter
                      an arbitrary Datum             intersection from south           intersection from south Bank
                                                               Bank
                                 4.6                           100                                 100
                                 6.1                            73                                 140
                                 7.6                            61                                 160
                                 9.1                            52                                 180
                                11.0                            46                                 220
                                12.0                            40                                 260
                                14.0                            34                                 365
                                15.0                            24                                 370
                                17.0                            6.1                                375

                                        20        (x, y)                         (xi, yi)

                                        15



                                  River bed
                                  elevation




                                              0            60                120                     365
                                                            Distance from South Bank

                          River bed elevation has a function of the distance (after French)




Indian Institute of Technology Madras

				
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