KC, Anup; Thapa, Bhola; Lee, Young-Ho - In: Renewable Energy 65 (2014) C, pp. 227-235
Pressure fluctuation due to rotor–stator interaction and occurrence of vortex rope in draft tube at partial load … entire flow passage of a 70 kW-Francis turbine having specific speed of 203.1 is conducted to investigate the rotor–stator … interaction by adopting kω based SST turbulence model. The commercial 3D Navier–Stokes CFD solver Ansys-CFX is utilized to study …
