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Effect of coaxially mounted disks on oscillations of a cylinder of large aspect ratio in air flow. / Kaufman, D.V.; Ryabinin, A.N.

In: IOP Conference Series: Materials Science and Engineering, Vol. 927, 012002, 25.09.2020.

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@article{a06dee4dbc02480886a098f14c82ef97,
title = "Effect of coaxially mounted disks on oscillations of a cylinder of large aspect ratio in air flow",
abstract = "The damped rotational oscillations of a cylinder whose length-to-diameter ratio is nine are considered. In the head part of the cylinder, a disc is mounted coaxially on the leg. The effect of the disk on damping of oscillations is described by aerodynamic rotational derivatives. Wind tunnel experiment is performed with the flow past a cylinder fixed on an elastic spring suspension. The diameter of the coaxial disk and the distance between the disk and the end of the cylinder vary. Deflected from the equilibrium position, the cylinder performs damping oscillations. The dependence of the amplitude of rotational vibrations on time is determined by the tensometric method. Coefficients of rotational pitch derivatives are found.",
author = "D.V. Kaufman and A.N. Ryabinin",
year = "2020",
month = sep,
day = "25",
doi = "10.1088/1757-899X/927/1/012002",
language = "English",
volume = "927",
journal = "IOP Conference Series: Materials Science and Engineering",
issn = "1757-8981",
publisher = "IOP Publishing Ltd.",
note = "XIII International Conference on Applied Mathematics and Mechanics in the Aerospace Industry , AMMAI'2020 ; Conference date: 06-09-2020 Through 13-09-2020",

}

RIS

TY - JOUR

T1 - Effect of coaxially mounted disks on oscillations of a cylinder of large aspect ratio in air flow

AU - Kaufman, D.V.

AU - Ryabinin, A.N.

PY - 2020/9/25

Y1 - 2020/9/25

N2 - The damped rotational oscillations of a cylinder whose length-to-diameter ratio is nine are considered. In the head part of the cylinder, a disc is mounted coaxially on the leg. The effect of the disk on damping of oscillations is described by aerodynamic rotational derivatives. Wind tunnel experiment is performed with the flow past a cylinder fixed on an elastic spring suspension. The diameter of the coaxial disk and the distance between the disk and the end of the cylinder vary. Deflected from the equilibrium position, the cylinder performs damping oscillations. The dependence of the amplitude of rotational vibrations on time is determined by the tensometric method. Coefficients of rotational pitch derivatives are found.

AB - The damped rotational oscillations of a cylinder whose length-to-diameter ratio is nine are considered. In the head part of the cylinder, a disc is mounted coaxially on the leg. The effect of the disk on damping of oscillations is described by aerodynamic rotational derivatives. Wind tunnel experiment is performed with the flow past a cylinder fixed on an elastic spring suspension. The diameter of the coaxial disk and the distance between the disk and the end of the cylinder vary. Deflected from the equilibrium position, the cylinder performs damping oscillations. The dependence of the amplitude of rotational vibrations on time is determined by the tensometric method. Coefficients of rotational pitch derivatives are found.

UR - https://iopscience.iop.org/article/10.1088/1757-899X/927/1/012002

UR - http://www.scopus.com/inward/record.url?scp=85093107627&partnerID=8YFLogxK

U2 - 10.1088/1757-899X/927/1/012002

DO - 10.1088/1757-899X/927/1/012002

M3 - Conference article

VL - 927

JO - IOP Conference Series: Materials Science and Engineering

JF - IOP Conference Series: Materials Science and Engineering

SN - 1757-8981

M1 - 012002

T2 - XIII International Conference on Applied Mathematics and Mechanics in the Aerospace Industry

Y2 - 6 September 2020 through 13 September 2020

ER -

ID: 64730748