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TECHNICAL BRIEFS

Pressure Drop of Fully Developed, Laminar Flow in Rough Microtubes

[+] Author and Article Information
M. Bahrami

Microelectronics Heat Transfer Laboratory, Department of Mechanical Engineering, University of Waterloo, Waterloo, Ontorio, Canada N2L 3G1majid@mhtlab.uwaterloo.ca

M. M. Yovanovich

Microelectronics Heat Transfer Laboratory, Department of Mechanical Engineering, University of Waterloo, Waterloo, Ontorio, Canada N2L 3G1

J. R. Culham1

Microelectronics Heat Transfer Laboratory, Department of Mechanical Engineering, University of Waterloo, Waterloo, Ontorio, Canada N2L 3G1

1

Associate Professor, Director, Microelectronics Heat Transfer Laboratory.

J. Fluids Eng 128(3), 632-637 (Oct 07, 2005) (6 pages) doi:10.1115/1.2175171 History: Received March 11, 2005; Revised October 07, 2005

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Copyright © 2006 by American Society of Mechanical Engineers
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Figures

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Figure 1

Random rough microtube: wall roughness and Gaussian distribution

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Figure 2

Gaussian distribution

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Figure 3

Effect of relative roughness on pressure drop of microtubes: comparison of present model with all data

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Figure 4

Relationship between frictional resistance and radius of rough microtubes

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Figure 5

Comparison of present model to Li (7) and Mala and Li (6) data

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Figure 6

Comparison of present model to Jiang (13)

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