Author(s): S Cherny; D Chirkov; D Bannikov; V Lapin; V Skorospelov; I Eshkunova; A Avdushenko

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Abstract: An approach for numerical simulation of 3D hydraulic turbine flows in transient operating regimes is presented. The method is based on a coupled solution of incompressible RANS equations, runner rotation equation, and water hammer equations. The issue of setting appropriate boundary conditions is considered in detail. As an illustration, the simulation results for runaway process are presented. The evolution of vortex structure and its effect on computed runaway traces are analyzed.

DOI: https://doi.org/10.1088/1755-1315/12/1/012071

Year: 2010