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TECHNICAL PAPERS

Analysis and Experiments on Three-Dimensional, Irregular Surface Roughness

[+] Author and Article Information
J. A. van Rij, B. J. Belnap, P. M. Ligrani

Convective Heat Transfer Laboratory, Department of Mechanical Engineering, 50 S. Central Campus Drive, MEB 2202, University of Utah, Salt Lake City, UT 84112

J. Fluids Eng 124(3), 671-677 (Aug 19, 2002) (7 pages) doi:10.1115/1.1486222 History: Received July 23, 2001; Revised April 02, 2002; Online August 19, 2002
Copyright © 2002 by ASME
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References

Figures

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Three-dimensional Wyko profilometry trace of a portion of the completely rough test surface
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Flow facility components and dimensions
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Front cross-sectional view of the test section
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Top view of the test section
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Comparison of experimental results with Eq. (2), the correlation for “two-dimensional” roughness, and with Eq. (7), the correlation for “three-dimensional” roughness
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Variation of roughness element area parameter, AfAs/Ab, with height of a spherical segment roughness element
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Dimensions of Schlichting’s roughness elements 2. Geometric parameter values are given in Table 1.
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Comparisons of experimentally and numerically determined skin friction coefficients
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Comparisons of experimentally and numerically determined ks values

Tables

Errata

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