Fin Efficiency of Serrated Fins: Part 1. Analysis of Theoretical Fin Effiency and Experimental Results

摘要

The fin efficiency of serrated fins was analyzed, and an analytical solution was derived as a function of modified Bessel functions. Two assumptions, i.e., thermal insulation at the end surfaces of segmented sections, and a uniform heat transfer coefficient over the fin surface, were employed in this analysis. To determine the effect of these assumptions, a heat transfer experiment was performed. From a comparison of the experimentally evaluated fin efficiencies with the analytical solution, a correc- tion factor was obtained for a typical serrated fin configuration.