The objective of this study is to develop an accurate, reliable, and updated predictive model for the air-side performance of flat-tube louver-fin heat exchangers. Using the most comprehensive experimental database to date—consisting of 1030 heat-transfer and 1270 pressure-drop measurements, from nine independent laboratories for 126 sample heat exchangers—- and -factor correlations are developed to predict the air-side performance of heat exchangers. The database is analyzed, the form of the curve fits is explored, and the predictive performance of the correlations is evaluated. The - and -factor correlations predict the experimental data with rms errors of 11.5% and 16.1%, respectively. Multiple regressions for a locally linearized data model were used to estimate the confidence intervals and covariances of the regression constants. A comparison to prior correlations shows the proposed correlations to provide more accurate predictions and to span a much broader parameter space than prior work. Practical utility in design and optimization, and unavoidable limitations in developing such correlations are discussed.
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Air-Side Heat Transfer and Friction Correlations for Flat-Tube Louver-Fin Heat Exchangers
Young-Gil Park,
Young-Gil Park
Post-doctoral Research Associate
Department of Mechanical Science and Engineering,
e-mail: ypark5@uiuc.edu
University of Illinois
, 1206 West Green Street, Urbana, IL 61801
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Anthony M. Jacobi
Anthony M. Jacobi
Professor of Mechanical Engineering
Department of Mechanical Science and Engineering,
e-mail: a-jacobi@uiuc.edu
University of Illinois
, 1206 West Green Street, Urbana, IL 61801
Search for other works by this author on:
Young-Gil Park
Post-doctoral Research Associate
Department of Mechanical Science and Engineering,
University of Illinois
, 1206 West Green Street, Urbana, IL 61801e-mail: ypark5@uiuc.edu
Anthony M. Jacobi
Professor of Mechanical Engineering
Department of Mechanical Science and Engineering,
University of Illinois
, 1206 West Green Street, Urbana, IL 61801e-mail: a-jacobi@uiuc.edu
J. Heat Transfer. Feb 2009, 131(2): 021801 (12 pages)
Published Online: December 11, 2008
Article history
Received:
November 12, 2007
Revised:
September 15, 2008
Published:
December 11, 2008
Citation
Park, Y., and Jacobi, A. M. (December 11, 2008). "Air-Side Heat Transfer and Friction Correlations for Flat-Tube Louver-Fin Heat Exchangers." ASME. J. Heat Transfer. February 2009; 131(2): 021801. https://doi.org/10.1115/1.3000609
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