Effects of the Splitter Blade on the Performance of a Pump-Turbine in Pump Mode

Table 1

Mesh information.

Domain	Elements number (thousand)	Quality (determinant 2x2x2)
Runner (prototype)	2166.7	0.56
Runner (splitter blade scheme)	2161.7	0.68
Draft tube	1674.8	0.72
Guide vanes	1003.6	0.89
Stay vanes	1478.3	0.56
Spiral casing	1124.5	0.56