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Study on the Experiment and Numerical Computation of Forced Convection Heat Transfer around Circular Cylinder in a Rectangular Duct  

윤영환 (창원대학교 기계공학과)
김경환 (창원대학교 시설과)
Publication Information
Korean Journal of Air-Conditioning and Refrigeration Engineering / v.16, no.5, 2004 , pp. 490-498 More about this Journal
Abstract
This paper measures the forced convective heat transfer from heated cylinder to air flow in a rectangular duct at Re$_{D}$ =2,337, 4,589, 6,621 and 7,944 through experiments. And the heat transfer is computed by 3-D numerical computation in which various turbulent models are applied. It is shown through the comparison of experimental and computed data that numerical computation with standard k-$\varepsilon$ model predicts the experimental data most accurately. Furthermore, the correlation from the computed heat transfer is almost similar to that from the experiment when Re$_{D}$ is greater than 4,589. In addition, the correlation of McAdams is the closest to that from experimental data among various correlations from literature in the range of Reynolds number.ber.
Keywords
Forced convection heat transfer; 3-D numerical computation; Local Nusselt number; Average Nusselt number; Correlation;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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