F - Mech Eng,Light,Heat,Weapons – 03 – B
Patent
F - Mech Eng,Light,Heat,Weapons
03
B
F03B 11/04 (2006.01) F03B 3/02 (2006.01)
Patent
CA 2549749
A method and system to mitigate the pressure fluctuations in hydraulic turbines, operated at partial discharge, by injecting high velocity control jet or jets of liquid downstream of the turbine runner, on the upper portion of the draft tube, along the machine axis; the liquid jet(s) flow rate can be adjusted continuously depending on the pressure fluctuation level in the draft tube, so as to control the swirling flow downstream of the runner and avoid helical vortex breakdown at partial discharge regimes, thus eliminating the main cause of pressure fluctuations.
Ciocan Gabriel Dan
Demers Eric
Nennemann Bernd
Susan-Resiga Romeo Florin
Vu Thi Cong
Company General Electric
Craig Wilson And Company
LandOfFree
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