Evolution of discharge and runner rotation speed along no-load curves of Francis turbines

In hydraulic turbines, no-load operation is among the most damaging conditions since unextracted swirl leads to the creation of highly energetic flow structures causing high pressure and strain fluctuations on the turbine components. To date, experimental and numerical studies typically focus on flo...

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Veröffentlicht in:	IOP conference series. Earth and environmental science 2021-06, Vol.774 (1), p.12121
Hauptverfasser:	Fortin, M, Nennemann, B, Deschênes, C, Houde, S
Format:	Artikel
Sprache:	eng
Schlagworte:	Discharge Evolution Flow characteristics High pressure Hydraulic loading Hydraulic turbines Load tests Mathematical models Rotation
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