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

Table 8

Expressions defined in ANSYS Pre for the baseline design [5, 11].

Name	Expression	Description
Gravity	9.82 [ms^−2]	Acceleration due to gravity
Head	13.34 [m]	Model head based on scaling
Turbine radius	132.5 [mm]	Model turbine radius based on scaling
Inlet velocity	(2 × gravity × head)^0.5 [m/s]	Water velocity at the nozzle inlet
Omega	Inlet velocity/(2 × turbine radius) [rad/s]	Angular velocity: rotation in the negative direction is selected
Torque middle bucket wall	Torque_z@Middel Bucket Wall	The entire middle bucket is selected
Total time		Total simulation running time