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TECHNICAL PAPERS

Frictional Performance of U-Type Wavy Tubes

[+] Author and Article Information
Ing Youn Chen, Yee Kang Lai

Mechanical Engineering Department, National Yunlin University of Science and Technology, Yunlin, Taiwan 640

Chi-Chuan Wang

Energy & Resources Laboratories, Industrial Technology Research Institute, Hsinchu, Taiwan 310

J. Fluids Eng 125(5), 880-886 (Oct 07, 2003) (7 pages) doi:10.1115/1.1601259 History: Received April 02, 2002; Revised April 30, 2003; Online October 07, 2003
Copyright © 2003 by ASME
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References

Figures

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Comparison between the predictions of the proposed correlation and the experimental data
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Modified friction factor versus new Dean number
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Comparison of the experimental data and the predictions by Wojtkowiak and Popiel’s correlation, 9
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Comparison of the experimental data and the predictions by Popiel and Wojtkowiak’s correlation, 8
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The ratio of fB/fS for D=8.29 mm
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The ratio of fB/fS for D=5.07 mm
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The ratio of fB/fS for D=3.43 cmm
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Friction factor for straight tube and U-type wavy tubes
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Schematic of the test rig and the test section of wavy tube

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