Mathematical modeling of the aerodynamic coefficients of a sail blade

Advances in Aerodynamics

Table 3 Results of the calculation of the uncertainty of the drag coefficient

Arithmetic mean	Uncertainty by type A	Uncertainty by type B	Total standard uncertainty	Standard deviation	Confidence interval	Error rate (%)
1.053	± 0.006	± 0.049	± 0.049	0.025	0.028	1.132%
0.880	± 0.008	± 0.041	± 0.042	0.036	0.041	1.132%
0.743	± 0.006	± 0.034	± 0.035	0.025	0.028	1.132%
0.690	± 0.005	± 0.032	± 0.032	0.020	0.023	1.132%
0.560	± 0.002	± 0.026	± 0.026	0.010	0.011	1.132%
0.437	± 0.008	± 0.020	± 0.022	0.035	0.040	1.132%