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Damped rotational vibrations of a long cylinder with a disk in the air flow. / Kaufman, D. V.; Ryabinin, A. N.

в: Journal of Physics: Conference Series, Том 1959, № 1, 012027, 01.07.2021.

Результаты исследований: Научные публикации в периодических изданияхстатья в журнале по материалам конференцииРецензирование

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Kaufman, D. V. ; Ryabinin, A. N. / Damped rotational vibrations of a long cylinder with a disk in the air flow. в: Journal of Physics: Conference Series. 2021 ; Том 1959, № 1.

BibTeX

@article{a8410c04f89546f8b726677990e74b7a,
title = "Damped rotational vibrations of a long cylinder with a disk in the air flow",
abstract = "We consider the drag and the damped rotational oscillations of a cylinder. The cylinder length-to-diameter ratio is nine. At the upstream end of the cylinder, a disk is mounted coaxially on the leg. The disk reduces the drag of the cylinder. The effect of the disk on damping of oscillations is described by aerodynamic rotational derivatives. Experiment in the wind tunnel is carried out with the flow past a cylinder fixed on an elastic spring suspension. In experiment, the diameter of the coaxial disk, position of axis of rotation and the gap between the disk and the cylinder vary. Deflected from the equilibrium position, the cylinder performs damped oscillations. The dependence of the amplitude of angular oscillations on time is determined by the tensometric method. Aerodynamic coefficients of rotational derivatives are found.",
author = "Kaufman, {D. V.} and Ryabinin, {A. N.}",
note = "Publisher Copyright: {\textcopyright} 2021 Published under licence by IOP Publishing Ltd.; International Scientific Conference on Mechanics {"}The Ninth Polyakhov's Reading{"}, ISCM 2021 ; Conference date: 09-03-2021 Through 12-03-2021",
year = "2021",
month = jul,
day = "1",
doi = "10.1088/1742-6596/1959/1/012027",
language = "English",
volume = "1959",
journal = "Journal of Physics: Conference Series",
issn = "1742-6588",
publisher = "IOP Publishing Ltd.",
number = "1",

}

RIS

TY - JOUR

T1 - Damped rotational vibrations of a long cylinder with a disk in the air flow

AU - Kaufman, D. V.

AU - Ryabinin, A. N.

N1 - Publisher Copyright: © 2021 Published under licence by IOP Publishing Ltd.

PY - 2021/7/1

Y1 - 2021/7/1

N2 - We consider the drag and the damped rotational oscillations of a cylinder. The cylinder length-to-diameter ratio is nine. At the upstream end of the cylinder, a disk is mounted coaxially on the leg. The disk reduces the drag of the cylinder. The effect of the disk on damping of oscillations is described by aerodynamic rotational derivatives. Experiment in the wind tunnel is carried out with the flow past a cylinder fixed on an elastic spring suspension. In experiment, the diameter of the coaxial disk, position of axis of rotation and the gap between the disk and the cylinder vary. Deflected from the equilibrium position, the cylinder performs damped oscillations. The dependence of the amplitude of angular oscillations on time is determined by the tensometric method. Aerodynamic coefficients of rotational derivatives are found.

AB - We consider the drag and the damped rotational oscillations of a cylinder. The cylinder length-to-diameter ratio is nine. At the upstream end of the cylinder, a disk is mounted coaxially on the leg. The disk reduces the drag of the cylinder. The effect of the disk on damping of oscillations is described by aerodynamic rotational derivatives. Experiment in the wind tunnel is carried out with the flow past a cylinder fixed on an elastic spring suspension. In experiment, the diameter of the coaxial disk, position of axis of rotation and the gap between the disk and the cylinder vary. Deflected from the equilibrium position, the cylinder performs damped oscillations. The dependence of the amplitude of angular oscillations on time is determined by the tensometric method. Aerodynamic coefficients of rotational derivatives are found.

UR - http://www.scopus.com/inward/record.url?scp=85111995948&partnerID=8YFLogxK

U2 - 10.1088/1742-6596/1959/1/012027

DO - 10.1088/1742-6596/1959/1/012027

M3 - Conference article

AN - SCOPUS:85111995948

VL - 1959

JO - Journal of Physics: Conference Series

JF - Journal of Physics: Conference Series

SN - 1742-6588

IS - 1

M1 - 012027

T2 - International Scientific Conference on Mechanics "The Ninth Polyakhov's Reading", ISCM 2021

Y2 - 9 March 2021 through 12 March 2021

ER -

ID: 84642929