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A computational study of the flow around an isolated wheel in contact with ground

A computational study of the flow around an isolated wheel in contact with ground
A computational study of the flow around an isolated wheel in contact with ground
The flow around an isolated wheel in contact with the ground is computed by the Un-steady Reynolds-Averaged Navier-Stokes (URANS) method. Two cases are considered, a stationary wheel on a stationary ground and a rotating wheel on a moving ground. The computed wheel geometry is a detailed and accurate representation of the geometry used in the experiments of Fackrell and Harvey. The time-averaged computed flow is examined to reveal both new flow structures and new details of flow structures known from previous experiments. The mechanisms of formation of the flow structures are explained. Surface pressures and pressure lift and drag forces are computed and compared to experimental results and show good agreement. The grid sensitivity of the computations is examined and shown to be small. The results have application to the design of road vehicles.
external flows, flow instability, navier-stokes equations, drag, flow separation, vortices
0098-2202
520-530
Mcmaus, James
286539f8-162b-476d-9c35-a3b8cc5e28ed
Zhang, Xin
3056a795-80f7-4bbd-9c75-ecbc93085421
Mcmaus, James
286539f8-162b-476d-9c35-a3b8cc5e28ed
Zhang, Xin
3056a795-80f7-4bbd-9c75-ecbc93085421

Mcmaus, James and Zhang, Xin (2006) A computational study of the flow around an isolated wheel in contact with ground. Journal of Fluids Engineering, 128 (3), 520-530. (doi:10.1115/1.2175158).

Record type: Article

Abstract

The flow around an isolated wheel in contact with the ground is computed by the Un-steady Reynolds-Averaged Navier-Stokes (URANS) method. Two cases are considered, a stationary wheel on a stationary ground and a rotating wheel on a moving ground. The computed wheel geometry is a detailed and accurate representation of the geometry used in the experiments of Fackrell and Harvey. The time-averaged computed flow is examined to reveal both new flow structures and new details of flow structures known from previous experiments. The mechanisms of formation of the flow structures are explained. Surface pressures and pressure lift and drag forces are computed and compared to experimental results and show good agreement. The grid sensitivity of the computations is examined and shown to be small. The results have application to the design of road vehicles.

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More information

Published date: 2006
Keywords: external flows, flow instability, navier-stokes equations, drag, flow separation, vortices
Organisations: Aerodynamics & Flight Mechanics

Identifiers

Local EPrints ID: 42972
URI: http://eprints.soton.ac.uk/id/eprint/42972
ISSN: 0098-2202
PURE UUID: 69fc0c90-fc60-49c1-8ee9-9e18fca199b7

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Date deposited: 05 Jan 2007
Last modified: 15 Mar 2024 08:51

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Contributors

Author: James Mcmaus
Author: Xin Zhang

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