Genetic Algorithm Optimization of the Volute Shape of a Centrifugal Compressor

Table 2

Cell count for the grid dependency study and average nondimensional wall distance for the near-wall cells.

Mesh region	Cell count  ×
	Coarse	Normal	Fine	Very fine
Inlet	0.49	0.72	0.96	1.50	24
Impeller	1.00	1.50	2.00	3.00	16
Volute	0.52	0.76	0.99	1.48	24
	2.01	2.98	3.95	5.98