THEORETICAL STUDY AND FINITE ELEMENT ANALYSIS OF CONVECTIVE HEAT TRANSFER AUGMENTATION FROM HORIZONTAL RECTANGULAR FIN WITH CIRCULAR PERFORATION

This study examines the heat transfer augmentation from horizontal rectangular fins with circular perforations under natural convection compared with solid fins. Fins with different thickness keeping length constant are also examined. The parameters considered were geometrical dimension and thermal properties of fin such as material properties, convective heat transfer coefficient. Finite element analysis has been done using ANSYS 11. Study showed that as perforations increases heat transfer rate also increases. Heat transfer enhancement of the perforated fin increases with increase in fin thickness.