التفاصيل البيبلوغرافية
| العنوان: |
Comparative Study of the Phenomenon of Propagation of Elastic Waves in Conduits. |
| المؤلفون: |
Fouzi, Abdessemed, Ali, Fourar |
| المصدر: |
Proceedings of the World Congress on Engineering 2011 Volume I; 2011, p1424-1429, 6p |
| مصطلحات موضوعية: |
ELASTIC waves, RADIO wave propagation, HYDRAULIC engineering, COMPUTER simulation, FLUCTUATIONS (Physics) |
| مستخلص: |
The transient phenomena of elastic waves in conduits represent a complicated problem in the field of hydraulics particularly in the large hydraulic installations like the hydroelectric stations and the pumping stations where dimensions of the pipe are very important and where the phenomenon of the water hammer can cause enormous damage. In our study we focused on one of causes of the wave propagation, which is the case of sudden closure of valves in the gravity adduction pipes, using both the most effective numerical methods for discretizing and solving the problem; the finite difference method using the WHAMO program and the method of characteristics with software AFT Impulse. The results are very interesting especially with regard to the gravity piping system with variables geometric characteristics (section changes and bifurcation) where pressure fluctuations vary dangerously and particularly in the cases of the convergence and the unsynchronized closure of the valves. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
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