Examination of Flow Effects in Francis Turbine Models with Different Numbers of Rotor Blades

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Politeknik Dergisi
Volume:20 Issue:1
Examination of Flow Effects in Francis Turbine Models with Different Numbers of Rotor Blades

Examination of Flow Effects in Francis Turbine Models with Different Numbers of Rotor Blades

Authors : Selçuk KEÇEL, H Güçlü YAVUZCAN, Adnan SÖZEN

Pages : 241-249

View : 35 | Download : 11

Publication Date : 2017-03-01

Article Type : Research Paper

Abstract :This study reviews velocity-pressure changes in spiral case, rotor and outlet pipes, force-torque values affecting the turbine rotor, vortexes in the outlet pipe, and pressure changes and vibration effects on two models with different numbers of rotor blades. The study evaluates the effect of different numbers of rotor blades on the flow and the effects on turbine components to obtain maximum turbine power. Furthermore, this study evaluates the relationship between the number of rotor blades and guide rotor blades on velocity-pressure interactions. The analysis determined the turbine rotor blade number to be 17 insert ignore into journalissuearticles values(Model 1); and 20 insert ignore into journalissuearticles values(Model 2); and the wicket gate angle was altered between 12°-48° to analyze the effects on turbine characteristics insert ignore into journalissuearticles values(velocity, pressure, torque, vortex, and power);.
Keywords : Design of Francis Turbine, Computational Fluid Dynamics, Turbomachinery

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