Numerical Calculations on the Unsteady Aerodynamic Force of the Tilt-Rotor Aircraft in Conversion Mode

Table 2

Quantitative comparisons of the aerodynamic coefficients in 2D case.

Tilt angle
45°	Quasi-steady	0.6670	0.0279
	Constant angular velocity	0.7012	0.0256
	Unsteady effects	5.13%	-8.24%
	Sinusoidal angular velocity	0.7161	0.0245
	Unsteady effects	7.36%	-12.19%