Design, Modeling, and CFD Analysis of a Micro Hydro Pelton Turbine Runner: For the Case of Selected Site in Ethiopia

Table 9

Mesh dependent test analyzed for PCD = 500 mm.

Mesh type	M1	M2	M3	M4	M5	M6	M7	M8
Total number, elements	294952	520687	2011665	2239650	2398044	2861243	3955723	5050204
Calculated total torque (Nm)	−30.93	−32.20	−34.32	−34.50	−34.69	−34.92	−35.02	−35.25
Standard torque (Nm)	−35.06	−35.06	−35.06	−35.06	−35.06	−35.06	−35.06	−35.06
Torque error percent (%)	11.8	8.2	2.1	1.6	1.1	0.4	0.1	0.5