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Aircraft Engineering
Аuthors
, *,Central Aerohydrodynamic Institute named after N.E. Zhukovsky (TsAGI), 1, Zhukovsky str., Zhukovsky, Moscow Region, 140180, Russia
*e-mail: vladimirzhelonkin@rambler.ru
Abstract
Self induced wing rock oscillations of a maneuverable aircraft model in wind tunnel are considered. Self sustained oscillations are connected with the time delay in unsymmetrical part of roll moment coefficient. The results of mathematical simulations are compared with corresponding experimental data, obtained with one degree of freedom in roll dynamic rig. Mathematical modeling of aircraft full dynamics with automatic control system are considered also. The possibilities of deflected thrust vectors for suppression of self induced oscillations are investigated.Keywords:
unsteady aerodynamic investigations in wind tunnel, high angles of attack, wing rock, mathematical modelling of unsteady aerodynamics
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