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

Table 1

Summary of measurements.

Test number	Opening of the wicked gate 𝑌 [%]	Mechanical power 𝑃mech [MW]	Flow rate 𝑄0 [m^3/s]	Leakage flow 𝑄𝑘 [m^3/s]	Total flow 𝑄turbine [m^3/s]	Net head 𝐻𝑛 [m]	Efficiency 𝜂𝑡 [%]
1	98.8	31.65	88.97	0.7	89.67	42.40	85.10
2	86.7	30.71	81.30	0.7	82.00	42.64	89.80
3	78.4	29.03	75.44	0.7	76.14	42.75	91.16
4	69.5	26.05	68.03	0.7	68.73	43.09	89.91
5	61.4	22.63	60.29	0.7	60.99	43.18	87.84
6	52.9	19.02	52.20	0.7	52.90	43.27	84.92
7	45.5	15.72	45.41	0.7	46.11	43.52	80.08
8	36.7	10.14	34.98	0.7	35.68	44.10	65.89