EXPERIMENTAL INVESTIGATION OF HEAT TRANSFER FROM ANNULAR FINS OF CIRCULAR AND ELLIPTICAL CROSS SECTION
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 30, Vol 5, Issue 3
Abstract
Heat transfer enhancement is a major concern of the researchers as it has wide area of application in many fields. Heat transfer of the processes can be increased by increasing fluid movement or increasing surface area of the heat transfer surface. Fluid movement can be increased by using pulsations, electrohydrodynamics, inserts, magnetohydrodynamics etc. While heat transfer area can be increased by using extended surfaces of different shapes, dimples etc. The comparison in between performance of circular annular fins and elliptical annular fins shows that elliptical cross sectional annular fins transfer more heat and has high heat transfer coefficient in each case. It is observed that the maximum increase in heat transfer coefficient in elliptical fin is 60% than heat transfer coefficient of the circular fins. The average of increase in heat transfer coefficient of elliptical fins in all the cases studied in this work is 19.92%.
Authors and Affiliations
Kiran Nagargoje
Keywords
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