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

Table 3

Calculation summary to determine the turbine speed and PCD.

Name	Symbol	Unit	Value
Number of jets		—	1	2	3	4
Jet diameter		mm	77.0	54.4	44.4	38.5
Runner PCD	PCD	m	699.667	494.740	403.953	349.834
Available PCD	PCD	mm	700	500	425	350
Turbine speed		rpm	371	520	611	742
Gear ratio		—	4.04	2.89	2.45	2.02