Application of a virtual-boundary method for the numerical study of oscillations developing behind a cylinder near a plane wall

E. Kit; N. V. Nikitin; V. M. Shmidt; A. Yakhot

doi:10.1023/B:FLUI.0000024812.36878.1f

Application of a virtual-boundary method for the numerical study of oscillations developing behind a cylinder near a plane wall

E. Kit, N. V. Nikitin, V. M. Shmidt, A. Yakhot

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

The conditions of onset and the character of the oscillations developing behind a circular cylinder located above a plane wall (screen) in a flow with a velocity profile of the boundary layer type are studied numerically. The dependence of the critical Reynolds number (at which a steady flow regime in the wake behind the cylinder is replaced by an oscillatory regime) on the cylinder-wall gap and the free-stream boundary layer thickness is found.

Original language	English
Pages (from-to)	61-68
Number of pages	8
Journal	Fluid Dynamics
Volume	39
Issue number	1
DOIs	https://doi.org/10.1023/B:FLUI.0000024812.36878.1f
State	Published - 1 Jan 2004

Keywords

Critical Reynolds number
Finite-element method
Strouhal number
Two-dimensional Navier-Stokes equations
Unsteady flow

ASJC Scopus subject areas

Mechanical Engineering
General Physics and Astronomy
Fluid Flow and Transfer Processes

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10.1023/B:FLUI.0000024812.36878.1f

Cite this

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title = "Application of a virtual-boundary method for the numerical study of oscillations developing behind a cylinder near a plane wall",

abstract = "The conditions of onset and the character of the oscillations developing behind a circular cylinder located above a plane wall (screen) in a flow with a velocity profile of the boundary layer type are studied numerically. The dependence of the critical Reynolds number (at which a steady flow regime in the wake behind the cylinder is replaced by an oscillatory regime) on the cylinder-wall gap and the free-stream boundary layer thickness is found.",

keywords = "Critical Reynolds number, Finite-element method, Strouhal number, Two-dimensional Navier-Stokes equations, Unsteady flow",

author = "E. Kit and Nikitin, {N. V.} and Shmidt, {V. M.} and A. Yakhot",

note = "Funding Information: The work received financial support from the Russian Foundation for Basic Research (No. 02-01-00492) and the Israel Science Foundation (grants 240/01, 159/02).",

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AU - Shmidt, V. M.

AU - Yakhot, A.

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N2 - The conditions of onset and the character of the oscillations developing behind a circular cylinder located above a plane wall (screen) in a flow with a velocity profile of the boundary layer type are studied numerically. The dependence of the critical Reynolds number (at which a steady flow regime in the wake behind the cylinder is replaced by an oscillatory regime) on the cylinder-wall gap and the free-stream boundary layer thickness is found.

AB - The conditions of onset and the character of the oscillations developing behind a circular cylinder located above a plane wall (screen) in a flow with a velocity profile of the boundary layer type are studied numerically. The dependence of the critical Reynolds number (at which a steady flow regime in the wake behind the cylinder is replaced by an oscillatory regime) on the cylinder-wall gap and the free-stream boundary layer thickness is found.

KW - Critical Reynolds number

KW - Finite-element method

KW - Strouhal number

KW - Two-dimensional Navier-Stokes equations

KW - Unsteady flow

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ER -

Application of a virtual-boundary method for the numerical study of oscillations developing behind a cylinder near a plane wall

Abstract

Keywords

ASJC Scopus subject areas

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