Numerical simulations of hydraulic transients in hydropower plant Jajce II (CROSBI ID 202740)
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Podaci o odgovornosti
Škifić, Jerko ; Radošević, Adrijana ; Brajković, Đani ; Družeta, Siniša ; Čavrak, Marko
engleski
Numerical simulations of hydraulic transients in hydropower plant Jajce II
Hydraulic transients in hydropower plant Jajce II (Bosnia and Herzegovina) were simulated with 1D unsteady pipe flow model. High accuracy of the model was accomplished with the use of non-conservative formulation of an unsteady pipe flow model incorporating a modified instantaneous acceleration-based unsteady friction model and second order flux limited numerical scheme. In order to apply the model, complex dual surge tank geometry needed to be represented with a unified surge tank. The numerical model was validated against the measured data on three simulation scenarios, defined with different turbine discharge reductions. Simulation results show a very good agreement between the computed and measured piezometric heads, both in amplitude and frequency of the oscillation.
hydropower plant ; hydraulic transients ; unsteady pipe flow ; unsteady friction ; surge tank
nije evidentirano
nije evidentirano
nije evidentirano
nije evidentirano
nije evidentirano
nije evidentirano
Podaci o izdanju
Vol 33 (No.1 (2013))
2013.
51-56
objavljeno
1330-9587
Povezanost rada
Temeljne tehničke znanosti