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

Table 4

Result of NASA SC(2)-0714 rotor.

4Mach number	0.3	0.4	0.5
The number of elements	10921474	10921474	10921474
Lift coefficient	1.0559107	1.0659764	1.0717936
Drag coefficient	0.08252949	0.080421625	0.078886333
L/D ratio	12.79434418	13.25484781	13.58655624
Max pressure (N/m^2)	5023	8933	13960
Max velocity (m/s)	124.5	166	207