Thermal characteristics of tree-shaped microchannel nets for cooling of a rectangular heat sink

International Journal of Thermal Sciences

Volumn 45, Issue 11, 2006, Pages 1103-1112

  Wang, Xiang Qi ^a   Mujumdar, Arun S ^a   Yap, Christopher ^a  

^a NATIONAL UNIVERSITY OF SINGAPORE   (Singapore)

Author keywords

Microchannel; Tree networks; Tree shaped

Indexed keywords

COOLING SYSTEMS; FLOW OF FLUIDS; HEAT TRANSFER; PRESSURE EFFECTS; TEMPERATURE DISTRIBUTION;

MICROCHANNEL; PARALLEL CHANNEL NETS; TREE NETWORKS; TREE SHAPED;

HEAT SINKS;

EID: 33747878085     PISSN: 12900729     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijthermalsci.2006.01.010     Document Type: Article

References (21)

1. Yang H., Zhao T.S., and Ye Q. Pressure drop behavior in the anode flow field of liquid feed direct methanol fuel cells. J. Power Sources 142 1-2 (2005) 117-124
2. Bejan A., and Errera M.R. Deterministic tree networks for fluid flow: geometry for minimal flow resistance between a volume and one point. Fractals 5 (1997) 685-695
3. Bejan A., and Errera M.R. Convective trees of fluid channels for volumetric cooling. Int. J. Heat Mass Transfer 43 (2000) 3105-3118
4. Bejan A. The tree of convective heat streams: its thermal insulation function and the predicted 3/4-power relation between body heat loss and body size. Int. J. Heat Mass Transfer 44 (2001) 699-704
5. West G.B., Brown J.H., and Enquist B.J. A general model for the origin of allometric scaling laws in biology. Science 276 (1997) 122-126
6. D.V. Pence, Improved thermal efficiency and temperature uniformity using fractal-like branching channel networks, in: Heat Transfer and Transport Phenomena in Microsystems Conference, Proceedings of the Engineering Foundation International Conference on Heat Transfer and Transport Phenomena in Microscale, Banff, Canada, October 2000, pp. 142-148
7. Wechsatol W., Lorente S., and Bejan A. Optimal tree-shaped networks for liquid flow in a disc-shaped body. Int. J. Heat Mass Transfer 45 (2002) 4911-4924
8. da Silva A.K., Lorente S., and Bejan A. Contructal multi-scale tree-shaped heat exchangers. J. Appl. Phys. 96 3 (2004) 1709-1718
9. Chen Y., and Cheng P. Heat transfer and pressure drop in fractal tree-like microchannel nets. Int. J. Heat Mass Transfer 45 (2002) 2648-2743
10. Pence D.V. Reduced pumping power and wall temperature in microchannel heat sinks with fractal-like branching channel networks. Microscale Thermophys. Engrg. 6 (2002) 319-330
11. Alharbi A.Y., Pence D.V., and Cullion R.N. Fluid flow through microscale fractal-like branching channel networks. J. Fluids Engrg. 125 (2003) 1051-1057
12. Alharbi A.Y., Pence D.V., and Cullion R.N. Thermal characteristics in micro-scale fractal-like branching channels. J. Heat Transfer 126 5 (2004) 744-752
13. Senn S.M., and Poulikakos D. Laminar mixing, heat transfer and pressure drop in tree-like microchannel nets and their application for thermal management in polymer electrolyte fuel cells. J. Power Sources 130 (2004) 178-191
14. Rostami A.A., Saniei N., and Mujumdar A.S. Liquid flow and heat transfer in microchannels: A review. Heat Technol. 18 (2000) 59-68
15. Obot N.T. Toward a better understanding of friction and heat/mass transfer in microchannels-a literature review. Microscale Thermophys. Engrg. 6 (2002) 155-173
16. Lorente S., Wechsatol W., and Bejan A. Tree-shaped flow structures designed by minimizing path lengths. Int. J. Heat Mass Transfer 45 16 (2002) 3299-3312
17. Murray C.D. The physiological principle of minimum work, in the vascular system, and the cost of blood-volume. Proc. Acad. Nat. Sci. 12 (1926) 207-214
18. Pence D., and Enfield K. Inherent benefits in microscale fractal-like devices for enhanced transport phenomena. In: Collins M., and Brebbia C.A. (Eds). Design and Nature (2004), WIT Press, Rhodes, Greece 317-328
19. Fluent 6.2 Manual, Fluent. Inc, 2005
20. Shah R.K., and London A.L. Laminar Flow Forced Convection in Ducts, Advances in Heat Transfer (1978), Academic Press, New York
21. X.-Q. Wang, A.S. Mujumdar, C. Yap, Numerical analysis of blockage and optimization of heat transfer performance of fractal-like microchannel nets, J. Electronic Packaging (2006), in press