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TECHNICAL PAPERS

Turbulent Augmentation of Internal Convection Over Pins in Staggered-Pin Fin Arrays

[+] Author and Article Information
F. E. Ames, L. A. Dvorak, M. J. Morrow

Mechanical Engineering Department, University of North Dakota, Grand Forks, ND 58202

J. Turbomach 127(1), 183-190 (Feb 09, 2005) (8 pages) doi:10.1115/1.1811090 History: Received October 01, 2003; Revised March 01, 2004; Online February 09, 2005
Copyright © 2005 by ASME
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References

Figures

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UND internal heat transfer and flow facility showing staggered-pin fin array test section
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Partial flow view of pin fin array showing spanwise and vertical locations of turbulence and spectra measurements
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Partial top view of pin fin array showing spanwise and axial locations of turbulence and spectra measurements
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Flow friction factor versus ReDm compared to prior UND 45
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Midline pressure coefficient distribution, rows 1–5, ReDm=30,000,Vmax=18.15 m/s
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Midline Nu/ReDm1/2 distribution, rows 1–5, ReDm=30,000 based on Vmax
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Determination of Veff based on pin surface velocity distribution, row 1, ReDm=30,000
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Midline Nu/ReDe1/2 distribution, rows 1–5, ReDm=30,000,ReDe based on Veff (row)
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Midline pressure coefficient distribution, rows 1–5, ReDm=10,000,Vmax=5.93 m/s
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Midline Nu/ReDm1/2 distribution, rows 1–5, ReDm=10,000 based on Vmax
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Midline Nu/ReDe1/2 distribution, rows 1–5, ReDm=10,000,ReDe based on Veff (row)
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Midline pressure coefficient distribution, rows 1–5, ReDm=3000,Vmax=1.71 m/s
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Midline Nu/ReDm1/2 distribution, rows 1–5, ReDm=3000 based on Vmax
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Midline Nu/ReDe1/2 distribution, rows 1–5, ReDm=3000,ReDe based on Veff (row)
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Correlation of pin stagnation point heat transfer, Nu/ReDe1/2 versus TRL

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