[Retracted] Wind Tunnel Testing and Validation of Helicopter Rotor Blades Using Additive Manufacturing

Table 3

Result of HH02 rotor.

4Mach number	0.3	0.4	0.5
The number of elements	12157747	12157747	12157747
Lift coefficient	0.39660177	0.40146145	0.40501018
Drag coefficient	0.058923748	0.055815901	0.054278395
L/D ratio	6.730762782	7.192600008	7.461719898
Max pressure (N/m^2)	4462	7919	12350
Max velocity (m/s)	116.1	154.7	193.2