Abstract
Abstract: The recovery of waste heat has been a topic of concern for large-scale industrial companies for several decades. This recovery not only makes an operation more environment friendly, but it also helps to cut costs. In addition to this, it can reduce the amount of resources needed to power a facility. Many industries have implemented different methods of waste heat recovery. One popular choice is using a heat exchanger. This paper presents the study of two different types of nano-fluids in two materials off heat exchangers ie.aluminium tapered helical coil heat exchanger and copper tapered helical coil heat exchanger. In this present paper the efforts are made to understand that how to compare the heat transfer rate in Copper and aluminium tapered helically coiled tube heat exchanger using different types of Nano fluid by studying research papers of various authors. Keywords: Tapered Helical Coil, Tapered Square coil, Nano-fluid, Heat Exchanger, CFD, Pressure Drop, Temperature Distribution, Aluminium and copper.
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