Numerical Analysis Natural Convection Heat Transfer from Vertical Cylinder Annular Fins with The Addition of Slits
Journal: International Journal of Emerging Trends in Engineering Research (IJETER) (Vol.9, No. 4)Publication Date: 2021-03-13
Authors : Jiki Hikmatullah Slamet Wahyudi Putu Hadi Setyorini;
Page : 405-409
Keywords : Annular Fin; Heat Transfer; Natural Convection; Slits.;
Abstract
One method of increasing the heat transfer rate of the fins is by adding slits to the fins. The purpose of this study was to analyze the heat transfer rate by adding slits in the annular fins with a vertical cylinder under natural convection conditions. The vertical cylinder length, cylinder diameter, fin diameter, and distance between the fins are 313 mm, 25 mm, 125 mm, and 7 mm, respectively. The number of slits varied from 2 slits and 4 slits and the spacing of the slits was kept constant by 5 mm. This research was conducted with a simulation method using Autodesk CFD 2019 software. As a result, finswith slits and fins without slits were compared.The value of the heat transfer rate that occurs and the heat transfer coefficient in the annular fin with slitsis better than the fin without slits. The highest heat transfer rates were 142.928 W and 2.6022 W/m2K for an annular fin with 2 slits
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Last modified: 2021-04-13 14:36:26