Browse > Article
http://dx.doi.org/10.3795/KSME-B.2011.35.12.1325

Analytical, Numerical, and Experimental Comparison of the Performance of Semicircular Cooling Plates  

Cho, Kee-Hyeon (Energy & Resources Research Dept., Research Institute of Industrial Science & Technology (RIST))
Kim, Moo-Hwan (Dept. of Mechanical Engineering, Pohang University of Science and Technology (POSTECH))
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.35, no.12, 2011 , pp. 1325-1333 More about this Journal
Abstract
An analytical, numerical, and experimental comparison of the hydraulic and thermal performance of new vascular channels with semicircular cross sections was conducted. The following conditions were employed in the study: Reynolds number, 30-2000; cooling channels with a volume fraction of the cooling channels, 0.04; and pressure drop, $30-10^5$ Pa. Three flow configurations were considered: first, second, and third constructal structures with diameters optimized for hydraulic operations. To validate the proposed vascular designs by an analytical approach, 3-D numerical analysis was performed. The numerical model was also validated by the experimental data, and the comparison results were in excellent agreement in all cases. The validation study against the experimental data showed that compared to traditional channels, the optimized structure of the cooling plates could significantly enhance heat transfer and decrease pumping power.
Keywords
Constructal Law; Cooling Plates; Pressure Drop; Flow Resistance; Optimization; Self-Healing;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
Times Cited By SCOPUS : 0
연도 인용수 순위
1 Bejan, A., 2000, Shape and Structure: from Engineering to Nature, Cambridge University Press, Cambridge, UK, pp. 1-314.
2 Lee, J., Kim, S., Lorente, S. and Bejan, A., 2008, "Vascularization with Trees Matched Canopy to Canopy: Diagonal Channels with Multiple Sizes", International Journal of Heat and Mass Transfer, Vol. 51, pp. 2029-2040.   DOI   ScienceOn
3 Cho, K., Lee, J., Kim, M. and Bejan, A., 2009, "Vascular Design of Constructal Structures with Low Flow Resistance and Nonuniformtiy," International Journal. Therral. Sciences, Vol. 49, pp. 2309-2318.
4 Rosaguti N.R., Fletcher D.F. and Haynes B.S., 2006, "Laminar Flow and Heat Transfer in a Periodic Serpentine Channel with Semi-Circular Cross- Section," International Journal of Heat and Mass Transfer 49, pp. 2912-2923.   DOI   ScienceOn
5 Cho, K.H., Lee, J., Ahn, H.S., Bejan, A. and Kim, M.H., 2010, "Fluid Flow and Heat Transfer in Vascularized Cooling Plates," International Journal of Heat and Mass Transfer, Vol. 53, pp. 3607-3614.   DOI   ScienceOn
6 FLUENT, Version 6.3, 2007, User's Manual, ANSYS Inc.
7 Holman, J.P., 1984, "Experimental Methods for Engineers," McGraw-Hill, New York, pp. 50-57.
8 Baek, S.M., Yu, S.H., Nam, J.H. and Kim, C.J., 2011, "ANumerical Study on Uniform Cooling of Large- Scale PEMFCs with Different Coolant Flow Field Designs," Applied Thermal Engineering, Vol. 31, pp.1427-1434.   DOI   ScienceOn
9 Chen, Y. and Cheng, P., 2002, "Heat Transfer and Pressure Drop in a Fractal-Tree-Like Microchannel," International Journal of Heat and Mass Transfer, Vol. 45, pp. 2643-2648.   DOI   ScienceOn
10 Jang, S.P. and Kim, S.J., 2005, "Fluid Flow and Thermal Characteristics of a Microchannel Heat Sink Subject to an Impinging Air Jet," Transactions of the ASME, Vol. 127, pp. 770-779.   DOI   ScienceOn
11 Choi, J., Kim, Y., Lee, Y., Lee, K. and Kim, Y., 2008, "Numerical Analysis on the Performance of Cooling Plates in a PEFC," Journal of Mechanical Science and Technology, Vol. 22, No.7, pp. 1417-1425.   과학기술학회마을   DOI   ScienceOn
12 Cho, K.H., Ahn, H.S. and Kim, M.H., 2011, "Optimizing the Configurations of Cooling Channels with Low Flow Resistance and Thermal Resistance," Trans. of the KSME (B), Vol. 35, No. 1, pp. 9-15.   과학기술학회마을   DOI   ScienceOn
13 Bejan, A., 1997, Advanced Engineering Thermo dynamics, 2nd ed., Wiley, New York, pp. 704-814.
14 Daniels, B., Liburdy, J.A. and Pence, D.V., 2007, "Adiabatic Flow Boiling in Fractal-Like Microchannels," Heat Transfer Engineering, Vol. 28, pp. 817-825.   DOI   ScienceOn
15 Wechsatol, W. and Ordonez, J.C., 2006, "Kosaraju S., Constructal Dendritic Geometry and the Existence of Asymmetric Bifurcation," Journal of Applied Physics, Vol. 100, pp. 113514.   DOI   ScienceOn
16 Raja, V.A.P., Basak, T, and Das S.K., 2008, "Thermal Performance of a Multi-Block Heat Exchanger Designed on the Basis of Bejan's Constructal Theory," International Journal of Heat and Mass Transfer Vol. 51, pp. 3582-3594.   DOI   ScienceOn