Mathematical description of nonstationary aerodynamic characteristics of a passenger aircraft model in longitudinal motion at large angles of attack

被引:0
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作者
V. I. Petoshin
E. A. Chasovnikov
机构
[1] Chaplygin Siberian Research Institute of Aviation,
关键词
aircraft model; harmonic vibrations; frequency characteristics; mathematical model;
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摘要
Aerodynamic loads in problems of flight dynamics of passenger aircraft in stalled flow regimes are described using a mathematical model that includes an ordinary linear first-order differential equation. A procedure for determining the parameters of the mathematical model is proposed which is based on approximating experimental frequency characteristics with the frequency characteristics of the linearized mathematical model. The mathematical model was verified by tests of a modern passenger aircraft model in a wind tunnel.
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页码:390 / 396
页数:6
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