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Št. zadetkov: 2
Reversible pump-turbines - a study of pumping mode off-design conditions
Uroš Ješe, Aleš Skoták
Izvirni znanstveni članek
Oznake: pump-turbine;rotating stall;cavitation;Pumping mode instabilities;
The role of pumped storage power plants (PSP) in electrical grid systems has been changing in recent years. Demands for switching from pumping to generating mode are becoming increasingly frequent. Moreover, the operating ranges of the reversible pump-turbines used in PSP systems are becoming wider ...
Leto: 2020 Vir: Fakulteta za energetiko (UM FE)
Analytical and numerical modelling of trapped air pockets in hydraulic pipeline systems
Jošt Pekolj, Anton Bergant, Matjaž Perpar, Uroš Ješe
Objavljeni znanstveni prispevek na konferenci
Oznake: water hammer;pipelines;trapped air pockets;analytical solutions;methods of characteristics;
During the operation of water-filled pipelines, air can get trapped in the primary water flow in the form of air trapped pockets or moving bubbles. Consequently, entrained air may change the liquid-filled-pipeline system’s transient response significantly. It could have either a beneficial or a detr ...
Leto: 2025 Vir: Fakulteta za strojništvo (UL FS)
Št. zadetkov: 2
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