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Pawar, A.A.
- Experimental Investigation for Optimising Pin Fin Heat Sinks in Combined Natural and force Convection
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Authors
Affiliations
1 Asst. Professor, JSPM’s Jayawantrao Sawant College of Engg., Pune-28, IN
2 Asst. Professor, JSPM’s Rajarshi Shahu College of Engineering, Pune-33, IN
3 Professor, JSPM’s Rajarshi Shahu College of Engineering, Pune-33, IN
1 Asst. Professor, JSPM’s Jayawantrao Sawant College of Engg., Pune-28, IN
2 Asst. Professor, JSPM’s Rajarshi Shahu College of Engineering, Pune-33, IN
3 Professor, JSPM’s Rajarshi Shahu College of Engineering, Pune-33, IN
Source
International Journal of Engineering studies, Vol 4, No 2 (2012), Pagination: 113-126Abstract
Development of proper ways for thermal management of the electronic equipments is very essential due to miniaturization with semiconductor technology. Various active and passive cooling techniques can be used. Pin fin heat sinks are passive techniques. In this work, an experimental investigations are carried out for circular and rectangular uniform cross section pin fin heat sinks with horizontal and vertical orientation and in line and staggered arrangement. Various pitches considered were dimensionless transeverse pitch, ST = 2.2 to 8.8 and dimensionless longitudinal pitch SL=2.2 to 4.4, for inline and staggered arrangements. The results were obtained for the aspect ratio of 5 to 7.5. The velocity range was considered from 0.2m/s to 2.4m/s.Keywords
Heat Sink, Pin Fins, Entropy Generation
References
- H. Kristiansen, 2001, “Thermal Management in Electronics”, Chalmers University of Technology, Sweden.
- P. A. Deshmukh, R. M. Warkhedkar, 2011, “Thermal performance of pin fin heat sink-a review of literature”, International Review of Mechanical Engineering, Vol. 5. N. 4. pp 726-732.
- R. F. Babus'Haq, K. Akintunde, S. D. Probert, 1995, “Thermal performance of a pin-fin assembly”, Int. J. Heat and Fluid Flow 16, pp. 50-55.
- McClintock, F. A., 1951, “The Design of Heat Exchangers for Minimum Irreversibility,” A.S.M.E., Presented at the Annual Meeting of the American Society of Mechanical Engineers.
- W.A Khan, Culham J.R., Yovanovich, M.M., 2007, “Optimal Design of Tube Bank in Crossflow Using Entropy Generation Minimization Method”, Journal of Thermophysics and Heat Transfer, 21, pp.372- 378.
- Bejan A.,1996, “A study of entropy generation in fundamental convective heat transfer,” Journal of Heat Transfer, vol. 101, pp. 718-725.
- Kai-Shing Yang, Wei-Hsin Chu, Ing-Yong Chen, Chi-Chuan Wang, 2007, “A comparative study of the airside performance of heat sinks having pin fin configurations”, International Journal of Heat and Mass Transfer 50, pp. 4661– 4667.