Impeller Design of a Centrifugal Fan with Blade Optimization

Table 2

Fan performance data obtained from impeller/volute coupling CFD.

Fan	Shaft power/PWRref	Imp PWRout/PWRref	del_Pt/𝑃ref	Effimp (%)	Efffan (%)	Width/D	Ps lift/𝑃ref	Pt lift/𝑃ref	Loss/𝑃ref	Eff_lift (total) (%)	Eff_lift (static) (%)	Lift Flow (%)
B#1	0.918	0.812	1.366	88.4	76.9	0.1208	1.187	1.227	0.139	0.451	0.437	56.7
B#2	0.911	0.808	1.359	88.7	74.0	0.1350	1.092	1.142	0.217	0.417	0.399	55.9
NEW	0.865	0.759	1.278	87.8	76.9	0.1213	1.144	1.187	0.091	0.461	0.444	57.0
NEW-x	0.865	0.770	1.297	89.0	78.1	0.1213	1.139	1.182	0.115	0.458	0.441	56.5
NEW-w	0.871	0.782	1.315	89.8	78.3	0.1237	1.154	1.196	0.119	0.460	0.443	56.5