A Theoretical Investigation of the Aerodynamics of Wing-tail Combinations Performing Time-dependent Motions at Supersonic Speeds


Book Description

A theoretical investigation is presented of the contribution of horizontal tails to the lift and pitching moment due to angle of attack, a constant rate of pitch, and a constant vertical acceleration. Numerical values of the aerodynamic coefficients associated with these motions are presented for a number of two-dimensional wing-tail combinations, a triangular wing-tail combination, and a number of rectangular-wing - triangular-tail combinations.




A Theoretical Investigation of the Aerodynamics of Slender Wing-body Combinations Exhibiting Leading-edge Separation


Book Description

A theoretical analysis is presented for calculating the normal force and center of pressure on plane wing/body combinations exhibiting leading edge separation. The mathematical model for the separated flow involves the shedding of a number of discrete vortex pairs along the wing leading edge, each pair satisfying the Kutta condition at the position of shedding. The subsequent lateral positions of these vortex filaments are calculated step by step, so that the rolling up of the vortex sheet is taken into account. Hence, the method predicts the chordwise normal-force distributions as well as the vortex sheet shapes over the configuration.