Author : G. D.Gosavi , S.V.Prayagi and V.S.Narnaware

The concept of heat transfer through perforated material is one method of improving the heat transfer characteristic in the natural convection. A solid and perforated material of brass, aluminum, copper is selected for the experimentation. As the review is concerned it is found that, the heat transfer through perforated fins is much greater than the solid one. Whenever the available surface is found inadequate to transfer the required quantity of heat with the available temperature drop, extended surfaces or fins are used. The finned surfaces are widely used in economizer for steam power plant; radiators of automobiles, air cooled engine cylinder heads, cooling coils in refrigerators and air conditioners. Enhancement of natural convection heat transfer is necessary because of the continuous increase of power consumption rate of equipment. The objective of this paper is to enhance the heat transfer by using different perforated material fins.

Keywords: Solid fin, perforated fin, heat flux, natural convection heat transfer enhancement, heat dissipation, circular perforation

Article published in International Conference on Advances in Mechanical Sciences 2014, Special Issue-2 (Feb 2014)