Augmentation of Convective Heat Transfer through various practices: A Review

Abstract

In case of various heat transfer applications, there is a necessity for proper utilization of energy sources. In the previous decades, various practices have been taken into consideration for the enhancement of heat transfer. We can categorize these practices in three types – active, passive and compound practices. All or any individual of these techniques have been applied in many heat exchanger application such as in thermal power plants, automobile sector, process industries, air-conditioning apparatus and chemical industries. This paper is an overview of several methods for the augmentation of heat transfer process and parameters. In most of the methods, the work was focused on increasing the surface area of the heat exchanger or on increasing turbulence using some inserts within the heat exchanger. The later part of this manuscript also depicts heat transfer augmentation using Nano-fluids.