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Instability of a Cantilever with a Propeller in an Incident Flow

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International Applied Mechanics Aims and scope

Abstract

A physical explanation is given to the mechanism of back coupling of the perturbed motion of a propeller in its plane of rotation and the force in the same plane. This unusual feedback may cause a mechanical system with a propeller to self-excite in the plane of possible oscillations of its axis upon propeller reversal. Instability occurs easier at the resonance of the system when the resultant moment of external forces lags in phase behind the angle of attack by approximately 5/4π.

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Authors and Affiliations

  1. National Technical University “KPI”, Kiev, Ukraine

    V. A. Goncharenko

  2. O. K. Antonov Aeronautical Scientific and Technical Complex, Kiev, Ukraine

    V. A. Goncharenko

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  1. V. A. Goncharenko
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Goncharenko, V.A. Instability of a Cantilever with a Propeller in an Incident Flow. International Applied Mechanics 38, 635–640 (2002). https://doi.org/10.1023/A:1019774307858

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  • DOI: https://doi.org/10.1023/A:1019774307858

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