Numerical Identification of Key Design Parameters Enhancing the Centrifugal Pump Performance: Impeller, Impeller-Volute, and Impeller-Diffuser

Table 4

Number of mesh elements.

Case study	Mesh element number
Impeller outlet blade height (𝑏2 in mm)
12	43380
18	48776
24	74210
Impeller blade width (e in mm)
4	43380
10	75841
15	119945
Impeller outlet blade angle (𝛽2 in degree)
9	38508
28	43380
60	42288
Impeller blade number when accounting for volute
5	28287
7	47979
9	132852
Impeller diameter when accounting for volute (𝐷2 in mm)
285	47377
320	47979
Diffuser blade number
5	39126
8	43380
12	45117