Abstract
Natural convection heat transfer from a finned horizontal flat plate at a constant temperature has been studied in this work. It analyzes the fin performance and; natural convection behavior of the finned horizontal flat plate. A complete picture of heat transfer on the horizontal finned surface (temperature and velocity contours) is captured. Then behaviors of multi-number of fins (2, 4, 6, 8, 10 and 12 fins) were analyzed in the current progressed work. The base body is subjected to constant temperature difference from the surrounding ∆T = 40 K for all cases in the laminar range, i.e., Raleigh number \( 5 < {\text{Ra}} < 10^{8} \). The types of plumes caused are pictorially viewed. This work is progressed by comparing the graphical relation between Q (heat transfer) to \( S^{*} = S/L \).
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