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ISSN Imprimir: 1064-2285
ISSN On-line: 2162-6561
Volume 50, 2019
Volume 49, 2018
Volume 48, 2017
Volume 47, 2016
Volume 46, 2015
Volume 45, 2014
Volume 44, 2013
Volume 43, 2012
Volume 42, 2011
Volume 41, 2010
Volume 40, 2009
Volume 39, 2008
Volume 38, 2007
Volume 37, 2006
Volume 36, 2005
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Heat Transfer Research
THERMAL PERFORMANCE OF PLATE FIN HEAT SINK COMBINED WITH COPPER FOAM
Research Center for Combustion Technology and Alternative Energy (CTAE), Department of Power
Engineering Technology, College of Industrial Technology, King Mongkut's University of Technology
North Bangkok, Bangkok 10800, Thailand
Ragheb Isfahani Higher Education Institute, Isfaham Iran
Ahmet Selim Dalkilic
Heat and Thermodynamics Division, Department of Mechanical Engineering, Faculty of Mechanical Engineering, Yildiz Technical University, Yildiz, Istanbul, 34349, Turkey
Lazarus Godson Asirvatham
Department of Mechanical and Aerospace Engineering, Karunya Institute of Technology and
Sciences, Coimbatore, 641114, India
School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an 710049, China; Department of Mechanical Engineering, Ouchan University of Technology, Ouchan, Iran
Fluid Mechanics, Thermal Engineering and Multiphase Flow Research Lab. (FUTURE), Department
of Mechanical Engineering, Faculty of Engineering, King Mongkut's University of Technology
Thonburi, Bangmod, Bangkok, 10140, Thailand; The Academy of Science, The Royal Society of Thailand, Sanam Suea Pa, Dusit, Bangkok 10300,
This paper presents the experimental investigation and comparison of thermal performance of plate fin heat sinks combined with copper foam, flat plate heat sinks combined with copper foam, and plate fin heat sinks. The effect of air velocity, pore density of the copper foam, and heat flux on thermal resistance and pressure drop is investigated. The experiments are carried out at air velocity ranging between 1 m/s and 5 m/s and heat flux ranging between 9.48 kW/m2 and 12.59 kW/m2. Copper foams with similar porosity and different pore density of 30 PPI, 40 PPI, and 50 PPI are used. The experimental results showed that the thermal resistance of PFHSfoam and FPHSfoam is decreased by 13.57% and 10.89% when the pore density increases at a low mass flux (G ≤ 2.89 kg/m2 · s for PFHSfoam and G ≤ 3.88 kg/m2 · s for FPHSfoam). However, at a high mass flux (G > 2.89 kg/m2 · s for PFHSfoam and G > 3.88 kg/m2 · s for FPHSfoam), it is decreased by 7.97% and 4.39%. The thermal resistance of PFHS, PFHSfoam, and FPHSfoam changes slightly by the varying heat flux. The total pressure drop of PFHSfoam and FPHSfoam increases by about 1.72 times and 2.02 times on increase in the pore density between 30 PPI and 50 PPI. Under a similar pumping power, PFHSfoam gives the lowest thermal resistance, and thermal resistance of PFHSfoam and FPHSfoam is lower than that from PFHS by about 40.74% and 25.18%.
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Gong, L., Li, Y., Bai, Z., and Xu, M., Thermal Performance of Micro-Channel Heat Sink with Metallic Porous/Solid Compound Fin Design, Appl. Therm. Eng., vol. 137, pp. 288-295, 2018.
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Huang, C.-H. and Chiang, P.-C., An Inverse Study to Design the Optimal Shape and Position for Delta Winglet Vortex Generators of Pin-Fin Heat Sinks, Int. J. Therm. Sci., vol. 109, pp. 374-385, 2016.
Jeng, T.-M., Tzeng, S.-C., and Huang, Q.-Y., Heat Transfer Performance of the Pin-Fin Heat Sink Filled with Packed Brass Beads under a Vertical Oncoming Flow, Int. J. Heat Mass Transf., vol. 86, pp. 531-541, 2015.
Kamath, P.M., Balaji, C., and Venkateshan, S.P., Convection Heat Transfer from Aluminium and Copper Foams in a Vertical Channel: An Experimental Study, Int. J. Therm. Sci., vol. 64, pp. 1-10, 2013.
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Kim, T.Y. and Kim, S.J., Fluid Flow and Heat Transfer Characteristics of Cross-Cut Heat Sinks, Int. J. Heat Mass Transf., vol. 52, pp. 5358-5370, 2009.
Khoshvaght-Aliabadi, M., Hassani, S.M., and Mazloumi, S.H., Performance Enhancement of Straight and Wavy Miniature Heat Sinks using Pin-Fin Interruptions and Nanofluids, Chem. Eng. Process.: Process Intensif., vol. 122, pp. 90-108, 2017.
Mancin, S., Zilio, C., Cavallini, A., and Rossetto, L., Heat Transfer during Air Flow in Aluminum Foams, Int. J. Heat Mass Transf., vol. 53, pp. 4976-4984, 2010.
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Mancin, S., Zilio, C., Diani, A., and Rossetto, L., Experimental Air Heat Transfer and Pressure Drop Through Copper Foams, Exp. Therm. Fluid Sci., vol. 36, pp. 224-232, 2012.
Nawaz, K., Bock, J., and Jacobi, A.M., Thermal-Hydraulic Performance of Metal Foam Heat Exchangers under Dry Operating Conditions, Appl. Therm. Eng., vol. 119, pp. 222-232, 2017.
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Wan, Z.M., Guo, G.Q., Su, K.L., Tu, Z.K., and Liu, W., Experimental Analysis of Flow and Heat Transfer in a Miniature Porous Heat Sink for High Heat Flux Application, Int. J. Heat Mass Transf., vol. 55, pp. 4437-4441, 2012.
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Zhu, Z.-Q., Huang, Y.-K., Hu, N., Zeng, Y., and Fan, L.-W., Transient Performance of a PCM-Based Heat Sink with a Partially Filled Metal Foam: Effects of the Filling Height Ratio, Appl. Therm. Eng., vol. 128, pp. 966-972, 2018.
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