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TECHNICAL PAPERS

Experimental Characterization of Compact Heat Exchangers With Short Flow Lengths at Simulated Elevated Altitudes

[+] Author and Article Information
J. A. Mathias, J. Cao, M. E. Ewing, R. N. Christensen

Department of Mechanical Engineering, The Ohio State University, 206 W. 28th Avenue, Columbus, OH 43210

J. Fluids Eng 125(1), 171-180 (Jan 22, 2003) (10 pages) doi:10.1115/1.1516574 History: Received March 27, 2001; Revised May 29, 2002; Online January 22, 2003
Copyright © 2003 by ASME
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References

Figures

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Parameters of fins and overall design of a compact heat exchanger
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Diagram of the experimental apparatus
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Loss coefficient versus x+ for rectangular ducts with an aspect ratio of 1/3
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Loss coefficient versus x+ for rectangular ducts with an aspect ratio of 1/6
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Loss coefficient versus x+ for rectangular ducts with an aspect ratio of 1/9
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Loss coefficient versus x+ for rectangular ducts with an aspect ratio of 1/15
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Comparison between sea level and elevated altitude for aspect ratio 1/3
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Comparison between sea level and elevated altitude for aspect ratio 1/9
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Comparison between sea level and elevated altitude for aspect ratio 1/15
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Heat transfer experiments for aspect ratio 1/3
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Heat transfer experiments for aspect ratio 1/6
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Heat transfer experiments and graph of Eq. (13) for aspect ratio 1/9
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Heat transfer experiments for aspect ratio 1/15
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Comparison of K(∞) of the present data to previous studies
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Comparison of entrance lengths of the present data to previous studies
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Comparison of Nusselt numbers of the present data to a previous study

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