COMPUTER ANALYSIS OF FLOOD ROUTING | ||
| AL-TAQANI | ||
| Article 1, Volume 25, Issue 3, September 2012, Pages 0-0 | ||
| Author | ||
| Ahmed Rifaat Mahmood Shawket | ||
| Abstract | ||
| The paper contains a concise but clear description of the spillway hydraulic design in connection with flood attenuating dams. The unsteady continuity equation is fundamentally used for the reservoir routing procedure, where a general computer program was prepared for solving the routing system. For the routing procedure, it is assumed that the spillway is of the free flow ogee type operating as a rectangular weir. If a bottom outlet is used, an orifice type equation is the governing one. However, the bottom outlet influence on routing was insignificant in comparison to the free overflow discharges. A specific realistic problem is solved, and full details are given showing the influences of various parameters influencing both design details of dam and operating schedule of the reservoir. These influences were summarized in a nomograph. This nomograph is very handy in the quick design considerations. The actual dimensioning of the spillway based on the routing procedure is full presented showing the complete aspects of handling such problems | ||
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