Prediction of Lift Coefficient for Tandem Wing Configuration or Multiple-Lifting-Surface System Using Prandtl’s Lifting-Line Theory

Table 1

Definition of the subscripts of the parameters.

Subscripts	Definition
1	Parameters of the fore wing
2	Parameters of the hind wing
11	Parameters of the fore wing generated by itself
12	Parameters of the fore wing generated by the hind wing
21	Parameters of the hind wing generated by the fore wing
22	Parameters of the hind wing generated by itself
	Parameters related to the induced effect, the index
	The -component of the parameters
	The -component of the parameters
	The -component of the parameters
−1	Parameters generated by the bound vortex
−2	Parameters generated by the trailing vortex