2D Numerical Analysis of Natural Convection in Vertical Fins on Horizontal Base

摘要

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 ΔT =40 K for all cases in the laminar range, i.e., Raleigh number 5 < 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.