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

Table 2

Analysis GCI.

Mesh number	No. of elements	Average size of element [mm]	Torque [J]	𝜀	𝑟	GCI	GCI [%]
1	795,618	200	1,583,510
2	965,632	150	1,613,960	−0.0189	1.33	0.0728	7.2771
3	1,759,261	75	1,634,405	−0.0125	2.00	0.0125	1.2509
4	3,284,658	50	1,638,950	−0.0028	1.50	0.0067	0.6655