This paper deals with heat exchangers having plain fins on a staggered array of circular tubes. Correlations are developed to predict the air-side heat transfer coefficient and friction factor as a function of the Reynolds number and geometric variables of the heat exchanger such as tube diameter, tube pitch, fin spacing, etc. A multiple regression technique was used to correlate 47 sets of heat exchanger data to develop the heat transfer and friction correlation. The correlations are applicable to heat exchangers having small diameter tubes (or large tube pitch to tube diameter ratio), whose performance previous correlations failed to predict adequately. The heat transfer correlation applicable to three or more row configuration predicts 94 percent of the data within ±20 percent, and the heat transfer correlation applicable to one- or two-row configuration predicts 94 percent of the data within ±20 percent. The friction correlation predicts 90 percent of the data within ±20 percent.
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Air-Side Heat Transfer and Friction Correlations for Plain Fin-and-Tube Heat Exchangers With Staggered Tube Arrangements
N. H. Kim,
N. H. Kim
Department of Mechanical Engineering, University of Inchon, 177 Dohwa-Dong, Nam-Gu, Inchon 402-749, Korea
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B. Youn,
B. Youn
Air Conditioning & Refrigeration Division, Samsung Electronics, Korea
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R. L. Webb
R. L. Webb
Department of Mechanical Engineering, Pennsylvania State University, University Park, PA 16802
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N. H. Kim
Department of Mechanical Engineering, University of Inchon, 177 Dohwa-Dong, Nam-Gu, Inchon 402-749, Korea
B. Youn
Air Conditioning & Refrigeration Division, Samsung Electronics, Korea
R. L. Webb
Department of Mechanical Engineering, Pennsylvania State University, University Park, PA 16802
J. Heat Transfer. Aug 1999, 121(3): 662-667 (6 pages)
Published Online: August 1, 1999
Article history
Received:
September 24, 1997
Revised:
February 1, 1999
Online:
December 5, 2007
Citation
Kim, N. H., Youn, B., and Webb, R. L. (August 1, 1999). "Air-Side Heat Transfer and Friction Correlations for Plain Fin-and-Tube Heat Exchangers With Staggered Tube Arrangements." ASME. J. Heat Transfer. August 1999; 121(3): 662–667. https://doi.org/10.1115/1.2826030
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