Comparative Analysis of Free Natural Convection Heat Transfer on Rectangular and Triangular Fins with and without Perforation

Ogie Nosa Andrew and Joel Oluwayomi Oyejide
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Ogie Nosa Andrew: Department of Mechanical Engineering, Petroleum Training institute, Effurun, Nigeria
Joel Oluwayomi Oyejide: Department of Mechanical Engineering, Federal University of Petroleum Resources, Effurun, Nigeria

European Journal of Engineering and Technology Research, 2018, vol. 3, issue 5, 60-64

Abstract: The importance of heat transfer by free natural convection can be found in many engineering application such as energy transfer in buildings, solar collectors, nuclear reactors and electronic packaging. In this research work, we carried out the investigation and comparative analysis of heat transfer by natural convection on rectangular and triangular fins with and without circular perforation. A total of six (6) specimens were used. Other materials that were used in this research work include four digital thermometers, one heating element, four thermocouple K-type and a power source. The fins used in this research work were welded to a cylindrical pipe which served as the heat sink. The heat supplied was maintained at 2500C and the temperature drop through the fin was recorded for duration of 30minutes with intervals of 5minutes. It was observed that the temperature dropped more rapidly with the triangular fins than the rectangular fin. Also, the rate of heat dissipation increase with a corresponding increase in the number of perforation.

Keywords: Rectangular and Triangular Fins; Perforated; Natural Convection; Heat Transfer; Comparison (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:epw:ejeng0:v:3:y:2018:i:5:id:60740

DOI: 10.24018/ejeng.2018.3.5.740

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