APPLICATION DE LA METHODE DES VOLUMES FINIS AUX CALCULS DE PROTECTION ANTI-BELIER
Journal Title: Larhyss Journal - Year 2016, Vol 28, Issue 28
Abstract
The computation unsteady flow in a pressurized hydraulic system presents many difficulties as well on the practical level as theoretical. In this work, a numerical approach based on the finite volumes method is presented for the simulation of water hammer problems. After having presented the hyperbolic differential equations governing the elastic wave propagation, the discretization details of the mathematical model meaning Godunov scheme are given as well as the integration of the source term and the implementation of the boundary conditions where an approach in excentred grid is introduced. The application treats a case of pumping station protected by a throttled air vessel. The results are analyzed and compared with those obtained in experiments and also numerically by the method of the characteristics. The finite volume numerical model gave very satisfactory results compared to the method of the characteristics and where congruence with experimental measurements is appreciable.
Authors and Affiliations
AMARA L. | Laboratoire de Recherche en Hydraulique Souterraine et de Surface - LARHYSS, Université de Biskra, B.P. 145, R.P., 07000, Biskra, Algérie, BERREKSI A. | Laboratoire de Recherche Hydraulique Appliquée et Environnement (LR-HAE), Université de Bejaia, Algérie, ACHOUR B. | Laboratoire de Recherche en Hydraulique Souterraine et de Surface - LARHYSS, Université de Biskra, B.P. 145, R.P., 07000, Biskra, Algérie
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