Articles with "square cylinders" as a keyword



Identification of flow regimes around two staggered square cylinders by a numerical study

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Published in 2017 at "Theoretical and Computational Fluid Dynamics"

DOI: 10.1007/s00162-017-0424-2

Abstract: The flow over two square cylinders in staggered arrangement is simulated numerically at a fixed Reynolds number ($$Re =150$$Re=150) for different gap spacing between cylinders from 0.1 to 6 times a cylinder side to understand… read more here.

Keywords: vortex shedding; square cylinders; flow regimes; downstream cylinder ... See more keywords

Flow around an array of four equispaced square cylinders

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Published in 2019 at "Applied Ocean Research"

DOI: 10.1016/j.apor.2019.05.019

Abstract: Abstract Experiments were conducted to study the flow around an array of four square cylinders arranged in square configuration under a subcritical Reynolds number Re = 8000. The goal is to systematically examine the effects of the… read more here.

Keywords: around array; square cylinders; array four; flow around ... See more keywords

Flow-induced vibration of two side-by-side square cylinders with combined translational motions

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Published in 2017 at "Journal of Fluids and Structures"

DOI: 10.1016/j.jfluidstructs.2016.12.010

Abstract: Abstract This paper presents a series of two-dimensional numerical simulations of flow-induced vibrations (FIV) and coupled wake flow behind two identical square cylinders in a side-by-side configuration at Re=200. The computational results of stationary configuration… read more here.

Keywords: side side; square cylinders; induced vibration; ratio ... See more keywords

Direct and integral noise computation of two square cylinders in tandem arrangement

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Published in 2018 at "Journal of Sound and Vibration"

DOI: 10.1016/j.jsv.2018.09.008

Abstract: Abstract The present paper presents a comparison between two different approaches for calculating far-field noise of two square cylinders in tandem arrangement. Experimental data show that a flow past such an arrangement results in aeolian… read more here.

Keywords: square cylinders; cylinders tandem; field; two square ... See more keywords

Numerical investigation of vortex induced rotation of two square cylinders in tandem arrangement

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Published in 2019 at "Ocean Engineering"

DOI: 10.1016/j.oceaneng.2018.11.026

Abstract: Abstract This work performs a numerical investigation on the dynamics of the system with two square cylinders arranged in tandem at Reynolds number of 100. The influence of the vortex induced rotation and the spacing… read more here.

Keywords: system; cylinder; case; spacing ratio ... See more keywords

Flow-induced vibration of two tandem square cylinders at low Reynolds number: transitions among vortex-induced vibration, biased oscillation and galloping

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Published in 2024 at "Journal of Fluid Mechanics"

DOI: 10.1017/jfm.2024.339

Abstract: Abstract The flow-induced vibrations (FIVs) of two identical tandem square cylinders with mass ratio m* = 3.5 at Reynolds number Re = 150 are investigated through two-dimensional direct numerical simulation (DNS) and linear stability analysis… read more here.

Keywords: flow induced; tandem square; induced vibration; square cylinders ... See more keywords
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Numerical studies of the flow structure and aerodynamic forces on two tandem square cylinders with different chamfered-corner ratios

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Published in 2019 at "Physics of Fluids"

DOI: 10.1063/1.5100266

Abstract: Three-dimensional large eddy simulations were carried out to investigate the flow over two tandem square cylinders for a fixed spacing ratio of L/D = 4 and a Reynolds number of 5.3 × 103, where L… read more here.

Keywords: square cylinders; cylinder; tandem square; structure ... See more keywords

Three-dimensional wake transition in the flow over four square cylinders at low Reynolds numbers

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Published in 2020 at "AIP Advances"

DOI: 10.1063/1.5129744

Abstract: The three-dimensional characteristics of the flow past four square cylinders in an in-line square configuration, with five spacing ratios ranging from 1.4 to 5, were studied in depth in this study. Direct numerical simulation of… read more here.

Keywords: three dimensional; square cylinders; four square; low reynolds ... See more keywords

Numerical Simulation and Deep Neural Network Revealed Drag Reduction of Microstructured Three-Dimensional Square Cylinders at High Reynolds Numbers

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Published in 2022 at "Frontiers in Bioengineering and Biotechnology"

DOI: 10.3389/fbioe.2022.885962

Abstract: Square cylinders are widely used in various fields. For example, they are common structures in fishways. The flow around square cylinders has been a common problem in various fields. However, reducing the flow drag of… read more here.

Keywords: reduction performance; reduction; square cylinders; drag reduction ... See more keywords

Numerical Investigation of Wake Interference in Tandem Square Cylinders at Low Reynolds Numbers

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Published in 2025 at "Symmetry"

DOI: 10.3390/sym17122038

Abstract: This study numerically investigates laminar flow around two prismatic bodies, specifically square cylinders, arranged in tandem. The analysis covered gap ratios (L/D=2–7) and Reynolds numbers (Re = 100–200), focusing on quantifying the aerodynamic characteristics and… read more here.

Keywords: tandem square; reynolds numbers; square cylinders; critical spacing ... See more keywords