Shock and Vibration

Research Article

Aerodynamics Optimization of a Ducted Coaxial Rotor in Forward Flight Using Orthogonal Test Design

Table 5

Analysis of test results.


	Lift/N			Drag/N			Torque/N·m
	A	B	C	A	B	C	A	B	C

	152.40	124.664	128.720	83.412	−3.228	74.457	0.459	0.322	0.158
	156.296	137.214	152.835	71.427	36.660	64.213	0.601	0.410	0.570
	149.166	161.361	161.409	63.446	89.635	65.488	0.576	0.621	0.688
	148.878	183.506	163.780	51.035	146.253	65.163	0.470	0.753	0.689
	38.10	31.166	32.180	20.853	−0.807	18.614	0.115	0.081	0.039
	39.074	34.303	38.209	17.857	9.165	16.053	0.150	0.102	0.143
	37.292	40.340	40.352	15.862	22.409	16.372	0.144	0.155	0.172
	37.220	45.877	40.945	12.759	36.563	16.291	0.117	0.188	0.172
Range value	1.85	14.711	8.765	8.094	37.370	2.561	0.036	0.108	0.133
Optimal level	A₂	B₄	C₃	A₄	B₁	C₄	A₁	B₁	C₁

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