Faculty of Mechanical Engineering, Dzemal Bijedic University of Mostar, Mostar, Bosnia and Herzegovina
Faculty of Mechanical Engineering, University of Sarajevo, Sarajevo, Bosnia and Herzegovina
In this paper, a model based on numerical solution of two ordinary differential equations is used to obtain the water level in the surge tank and the static pressure in the headrace tunnel – the properties of essential importance for the functioning of the water supply system during the turbine shut-off. The model allows a fast and reliable simulation of the hydraulic processes in the headrace tunnel and the surge tank. It was validated by comparing the numerical results with the data available from the experiments conducted under real conditions in a surge tank of the HPP Jablanica. This model is used to analyze of influence of different parameters on variations of water level oscillation in the surge tank and the static pressure in the headrace tunnel.
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