Finite-Element Analysis of Transverse Lift on Circular Cylinder in 2D Channel Flow
Publication: Journal of Engineering Mechanics
Volume 124, Issue 10
Abstract
The control volume-based finite-element method was used to investigate the transverse lift on a circular cylinder in a two-dimensional (2D) channel flow. The study was organized in two consecutive steps: (1) Flow past a stationary cylinder; and (2) flow past a freely translating and rotating cylinder. The ratio of the diameter of the cylinder-to-height of the channel was 0.1. The effects contributing to the lift from the fluid inertia, the rotation of the cylinder, and the proximity of the cylinder to the wall of the channel were explored. The results showed that with a stationary cylinder model, the lift was positive everywhere across the channel and pushed the cylinder toward the center of the channel; however, with a freely translating cylinder model, the lift was positive when y0/H was ≲0.15 and negative when y0/H was >0.15. Fluid inertia changed the magnitude of the lift. Rotation of the cylinder increased the lift on a nontranslating cylinder and decreased the lift on a freely translating cylinder. To explain the lift distribution, a particle influence region hypothesis was developed. The results provided an explanation for the inhomogeneous distribution of solid particles across a pipe or channel flow.
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Information & Authors
Information
Published In
Journal of Engineering Mechanics
Volume 124 • Issue 10 • October 1998
Pages: 1151 - 1164
Copyright
Copyright © 1998 American Society of Civil Engineers.
History
Published online: Oct 1, 1998
Published in print: Oct 1998
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