Experimental and Numerical Simulations Predictions Comparison of Power and Efficiency in Hydraulic Turbine | Zendy

Laura Castro | Zendy; G. Urquiza | Zendy; Adam Adamkowski | Zendy; Marcelo Reggio | Zendy

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Experimental and Numerical Simulations Predictions Comparison of Power and Efficiency in Hydraulic Turbine

Author(s) -

Laura Castro,

G. Urquiza,

Adam Adamkowski,

Marcelo Reggio

Publication year - 2011

Publication title -

modelling and simulation in engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.264

H-Index - 20

eISSN - 1687-5591

pISSN - 1687-5605

DOI - 10.1155/2011/146054

Subject(s) - draft tube , turbine , mass flow rate , computer simulation , mechanics , computational fluid dynamics , marine engineering , water turbine , inlet , flow (mathematics) , power (physics) , torque , engineering , mechanical engineering , physics , thermodynamics

On-site power and mass flow rate measurements were conducted in a hydroelectric power plant (Mexico). Mass flow rate was obtained using Gibson's water hammer-based method. A numerical counterpart was carried out by using the commercial CFD software, and flow simulations were performed to principal components of a hydraulic turbine: runner and draft tube. Inlet boundary conditions for the runner were obtained from a previous simulation conducted in the spiral case. The computed results at the runner's outlet were used to conduct the subsequent draft tube simulation. The numerical results from the runner's flow simulation provided data to compute the torque and the turbine's power. Power-versus-efficiency curves were built, and very good agreement was found between experimental and numerical data

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