Influence of Surface Roughness on Shear Flow-Reference-Cited by-同舟云学术

Influence of Surface Roughness on Shear Flow

Published:2004-07-01 Issue:4 Volume:71 Page:459-464
ISSN:0021-8936
Container-title:Journal of Applied Mechanics
language:en
Short-container-title:

Author:

Bhattacharyya S.¹,Mahapatra S.¹,Smith F. T.²

Affiliation:

1. Department of Mathematics, Indian Institute of Technology, Kharagpur 721 302, India

2. Goldsmid Professor of Applied Mathematics, Department of Mathematics, University College London, Gower Street, London WC1E 6BT, UK

Abstract

The local planar flow of incompressible fluid past an obstacle of semi-circular cross section is considered, the obstacle being mounted on a long flat surface. The far-field motion is one of uniform shear. Direct numerical solutions of the Navier-Stokes equations are described over a range of Reynolds numbers. The downstream eddy length and upstream position of maximum pressure gradient are found to agree with increased Reynolds number theory; in particular the agreement for the former quantity is close for Reynolds numbers above about 50.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics

Link

http://asmedigitalcollection.asme.org/appliedmechanics/article-pdf/71/4/459/5470987/459_1.pdf

Reference11 articles.

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2. Bhattacharyya, S., Dennis, S. C. R., and Smith, F. T., 2001, “Separating Shear Flow Past a Surface-Mounted Blunt Obstacle,” J. Eng. Math., 39, pp. 47–62.

3. Durst, F., and Loy, T., 1985, “Investigation of Laminar Flow in a Pipe With Sudden Contraction of Cross Section Area,” Comput. Fluids, 13, pp. 15–36.

4. Williams, P. T., and Baker, A. J., 1997, “Numerical Simulations of Laminar Flows Over a 3D Backward-Facing Step,” Int. J. Numer. Methods Fluids, 24, pp. 1159–1183.

5. Chang, T. P., and Sheu, Tony W. H., 1999, “Time Evaluation of Laminar Flow Over a Three-Dimensional Backward-Facing Step,” Int. J. Numer. Methods Fluids, 31, pp. 721–745.

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