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Statistical analysis reveals oscillation patterns in a conical-spherical body under specific flow conditions, implying potential applications in aerodynamics.
A study on transition processes for experimental time dependencies of the pitch angle for a case of free rotation of a body discovered the final intervals with a steady amplitude of oscillations — known as quasi-self-excited oscillations. Statistical analysis demonstrated that the maximum possible difference between the amplitudes of self-excited oscillations (including the case of quasi-self-excited oscillations) at the normalized oscillation frequency of 0.02 was about 1 degree.
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E. A. Chasovnikov (2026) studied this question.
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