TECHNICAL PAPERS: Forced Convection

Reattachment of Three-Dimensional Flow Adjacent to Backward-Facing Step

[+] Author and Article Information
J. H. Nie, B. F. Armaly

Department of Mechanical and Aerospace Engineering, and Engineering Mechanics, University of Missouri-Rolla, Rolla, MO 65401

J. Heat Transfer 125(3), 422-428 (May 20, 2003) (7 pages) doi:10.1115/1.1571091 History: Received July 05, 2002; Revised February 13, 2003; Online May 20, 2003
Copyright © 2003 by ASME
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Schematic of the computation domain
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Lines where the gradient of the mean streamwise velocity on the stepped wall (∂u/∂y|y=0) is zero
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General flow patterns adjacent to backward-facing step
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Streamlines starting from the spanwise plane of z/L=0.025
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Streamlines starting from the spanwise plane of z/L=0.075
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Streamlines starting from the spanwise plane of z/L=0.6
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The “jet-like” flow and the recirculation region that develops adjacent to the sidewall
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Distributions of the velocity components on the planes intersecting at the “jet-like” flow impingement location (y/S=0.01)
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Distributions of the velocity components on the y/S=0.4 plane
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Limiting streamlines adjacent to the stepped wall, the sidewall, and the upper flat wall
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Boundaries of the primary recirculation region on the stepped wall
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Distributions of velocity component (v) and velocity gradients along the xu-line
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Velocity field on a y-plane adjacent to the stepped wall (y/S=0.01) for Re=400
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Distributions of several lines adjacent to the stepped wall



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