Effect of fin shapes, spacing and height on the heat transfer characteristics of micro fin under natural convection

Authors

  • Navaneetha krishnan P  Asst.Professor, Department of mechanical engineering, Ammini College of engineering Palakkad Kerala, India
  • Shine N R  Students, Department of mechanical engineering, Ammini College of engineering Palakkad Kerala, India
  • Athul KM  Students, Department of mechanical engineering, Ammini College of engineering Palakkad Kerala, India
  • Muhammad Shaji C P  Students, Department of mechanical engineering, Ammini College of engineering Palakkad Kerala, India
  • Revathy P  Students, Department of mechanical engineering, Ammini College of engineering Palakkad Kerala, India
  • Vishnuj S  Students, Department of mechanical engineering, Ammini College of engineering Palakkad Kerala, India

Keywords:

Micro fin, Nusselt Number

Abstract

With the miniaturisation of electronic equipment’s, removal of heat generated in the microprocessors has become a great problem for research. Nowadays micro fins are extensively used as heat sinks. Therefore the heat transfer analysis of micro fins is an interesting but yet a limited area of research. This paper extends the heat transfer analysis of micro fins under natural convection. It presents the experimental determination of the effect of fin shape, spacing and height on the Nusselt number. A set of six micro fins, with different shape, height and spacing is tested in a standard experimental setup and the Nusselt number for each microfin is determined. Based on the experimental result a correlation is developed connecting nusselt number as a function of the height to space ratio and the shape coefficient. The correlation is validated with the research results in the literature.

References

  1. Leonardo Micheli, K S Reddy, Tapas K Malick, General correlation among geometry orientation and thermal performance of natural convective micro finned heat sinks(2015)
  2. N Nagarani, K Mayilsamy, A Murugesan , G S Kumar, Review of utilization of extended surface in heat transfer problems. Renew. Sustain. Energy Rev.29(2014) 604-613
  3. A Bar-Cohen,  M Iyengar, A D Kraus, design of optimum  plate fin natural convective heat sink. J. Electron.Packag.125(2003)2008
  4. I. Tari, M Mehetash, natural convection heat transfer from horizontal and slightly inclined plate-fin heat sinks.Appl.Therm.Eng.61(2013)728-736
  5. H.Ye, G. Zhang , A Review of passive thermal management of LED Module, J.Semicond.32(2011)014008

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Published

2017-04-30

Issue

Section

Research Articles

How to Cite

[1]
Navaneetha krishnan P, Shine N R, Athul KM, Muhammad Shaji C P, Revathy P, Vishnuj S, " Effect of fin shapes, spacing and height on the heat transfer characteristics of micro fin under natural convection, International Journal of Scientific Research in Science, Engineering and Technology(IJSRSET), Print ISSN : 2395-1990, Online ISSN : 2394-4099, Volume 3, Issue 4, pp.37-41, March-April-2017.