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Keywords: water- and air injection
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Proceedings Papers
Improvements of Flow Control With Fluid Injection for the Suppression of Flow Instabilities in Pump-Turbines
Available to Purchase
Proc. ASME. FEDSM2021, Volume 2: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V002T03A025, August 10–12, 2021
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2021-65115
..., optimal nozzle configurations were found, that resulted in stable pump-turbine behavior in turbine operating mode with fewer injection nozzles and lower injected flow rate in comparison to the baseline case. pump turbine vaneless space flow instabilities flow control water- and air injection...
Proceedings Papers
Investigation of the Flow Instabilities of a Low Specific Speed Pump-Turbine: Part 2 — Flow Control With Fluid Injection
Available to Purchase
Proc. ASME. FEDSM2020, Volume 1: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V001T01A040, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20275
... instabilities, Flow control, Water- and Air Injection 1 Contact author: [email protected] NOMENCLATURE D1 = runner diameter [m] g = 9.81 [m/s2] (gravity acceleration) Q = flow rate [m3/s] H = pump-turbine head [m] M = torque on the runner [Nm] nq = specific speed [1/min] f = frequency [Hz] fn = Pump-turbine...
