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Keywords: Francis turbine
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Proceedings Papers

Proc. ASME. FEDSM2020, Volume 3: Computational Fluid Dynamics; Micro and Nano Fluid Dynamics, V003T05A033, July 13–15, 2020
Paper No: FEDSM2020-20053
... Abstract Computational fluid dynamics simulations are conducted to characterize the spatial and temporal characteristics of the flow field inside a Francis turbine operating in the excess load regime. A high-fidelity Large Eddy Simulation (LES) turbulence model is applied to investigate...
Proceedings Papers

Proc. ASME. FEDSM2010, ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting: Volume 1, Symposia – Parts A, B, and C, 837-842, August 1–5, 2010
Paper No: FEDSM-ICNMM2010-31118
... Francis turbine is widely employed in large scale hydro-power stations in the world with main characteristics of efficiency, stability and cavitation. In practical establishment, each large power station must develop a new Francis turbine for its special natural condition and requirement...
Proceedings Papers

Proc. ASME. FEDSM2009, Volume 1: Symposia, Parts A, B and C, 1617-1621, August 2–6, 2009
Paper No: FEDSM2009-78228
... for this Francis Turbine using numerical approach. A well validated commercial software was used to capture cavitation occurring. The paper describes the approach used and presents results in the form of cavitation, occurring or not occurring, by choosing two operating zones on either side of the safe operating...
Proceedings Papers

Proc. ASME. FEDSM2008, Volume 1: Symposia, Parts A and B, 1193-1197, August 10–14, 2008
Paper No: FEDSM2008-55242
... The 3-D unsteady Reynolds averaged Navier-tokes equations based on the pseudo-homogeneous flow theory and a vapor fraction transport-equation that accounts for non-condensable gas are solved to simulate cavitating flow in a Francis turbine. The calculation results agreed with experiment data...
Proceedings Papers

Proc. ASME. FEDSM2007, Volume 1: Symposia, Parts A and B, 2005-2011, July 30–August 2, 2007
Paper No: FEDSM2007-37451
... and experiment results shows that they both are in good agreement, and it demonstrates that variation of all the parameters of the hydraulic turbine can be forecast accurately during the transient process. runaway transient unsteady simulation pressure fluctuation Francis turbine CProceedings...