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MATHEMATICAL SIMULATION FOR TRANSIENT FLOW IN PIPES UNDER POTENTIAL WATER HAMMER | ||
| DIYALA JOURNAL OF ENGINEERING SCIENCES | ||
| Article 26, Volume 3, Issue 0, 2010, Pages 222-236 PDF (0 K) | ||
| Author | ||
| Qassem H. Jalut | ||
| Abstract | ||
| ABSTRACT:- To protect the physical integrity of a pipeline system, there may be a need to install surge control devices, such as surge relief valves, surge tanks, or air-vacuum valves, at various points in the system. The main purpose of this study is to simulate the transient flow in pipes with water hammer using a mathematical modeling. By taking Omar Almokhtar Reservoir and Omar Almokhtar Grand Reservoir hydraulic system as a case study, where this system located at 35 Km south of Benghazi city. The analysis of simulation of this study is based on a characteristics method assisted by well known software called WANDA which was developed by Delft Hydraulics / Netherlands. Maximum and minimum pressures generated by the different scenarios implemented in this study confirm that the installed air vessels capacity of 1500 m3 are sufficient to control all pressure values within the bar rating of the installed pipes. It is also found that the pipe section just upstream of OMG reservoir air valve(s) with adequate capacity is (are) needed at this section of the pipeline. Air vessels with capacity 1000 m3 are not enough to damps the pressures that occur during transient duration. Keywords:-Water Hammer, Transient Flow, Air vessels. | ||
| Keywords | ||
| Water Hammer; Transient flow; Air vessels | ||
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