A numerical model of fluid transients in long corridor surge tank, based on the equations of Saint-Venant, is developed. The implicit method of Preissman, with appropriate boundary conditions, is used to solve these two nonlinear partial differential equations. The hydraulic transients with new model and normal surge tank model are simulated and compared with model experiments. It is clarified that the new numerical model can simulate the changes of water level in long corridor surge tank and pressure along penstock realistically. The new model provides scientific basis for studying hydraulic transients of hydropower station with long corridor surge tank.
Numerical Simulation of Hydraulic Transients in Long Corridor Surge Tank
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Yu, X, Zhang, J, Hazrati, A, & Chen, S. "Numerical Simulation of Hydraulic Transients in Long Corridor Surge Tank." Proceedings of the ASME 2010 International Mechanical Engineering Congress and Exposition. Volume 7: Fluid Flow, Heat Transfer and Thermal Systems, Parts A and B. Vancouver, British Columbia, Canada. November 12–18, 2010. pp. 135-140. ASME. https://doi.org/10.1115/IMECE2010-38121
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