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Effects of Ambient Temperatures on Natural Convection Heat Transfer from Finned Heat Sinks

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DOI: 10.23977/jeis.2020.51007 | Downloads: 12 | Views: 656

Author(s)

Lian-Tuu Yeh 1

Affiliation(s)

1 Ph D & PE, ASME Fellow, Dallas, Texas, USA

Corresponding Author

Lian-Tuu Yeh

ABSTRACT

The electronic equipment is often required to operate at various ambient temperatures in the real world conditions, especially for an outdoor system. A cfd analysis is performed to study the effects of the ambient temperatures for the finned heat sink on the heat transfer coefficient under the natural convection conditions. Four different ambient temperatures, 100, 120, 140 and 160 ºF are considered for the continuous fin, staggered fin and in-line fin heat sinks. The overall heat transfer coefficient of individual finned heat sinks is determined to facilitate the thermal analysis and design of the equipment.

KEYWORDS

Ambient Temperatures, Natural Convection Heat Transfer, Finned Heat Sinks

CITE THIS PAPER

Lian-Tuu Yeh. Effects of Ambient Temperatures on Natural Convection Heat Transfer from Finned Heat Sinks. Journal of Electronics and Information Science (2020) 5: 34-40. DOI: http://dx.doi.org/10.23977/jeis.2020.51007.

REFERENCES

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[4] Van De Pol, D. W., and Tierney, J.K., “Free Convection Nusselt Number for Vertical U-Shaped Channels”, J Heat Transfer, 95, 1973
[5] Yeh, L.T., Yeh, Joseph and Chung, B.T. F., “Natural Convection from Finned Heat Sinks”, IPack2007-33036, Vancouver, BC, Canada, July 8-12, 2007
[6] Yeh, L.T., “Natural Convection from Finned Heat Sinks with/without Cover/Shroud”, 19th International Symposium on Transport Phenomena, Reykjavik, Iceland, August 17th – 21st, 2008
[7] Yeh, L. T., and Chu, R., C, Thermal Management of Microelectronic Equipment, ASME Press, 2002
[8] Yeh, L. T., and Chu, R., C, Thermal Management of Telecommunications Equipment, ASME Press, 2013
[9] Yeh, L. T., Thermal Management of Microelectronic Equipment, 2nd Edition, ASME Press, 2017

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