Runner cone drilling and slotting to reduce vortex rope - induced pressure fluctuations in a Francis turbine
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DOI: 10.1177/09576509231178387
Abstract: Pressure fluctuations caused by helical vortex rope in the draft tube is one of the main reasons for the instability of Francis turbines. Previous studies showed that drilling holes on runner cone can reduce the… read more here.
Keywords: vortex rope; runner cone; pressure fluctuations;