Comparative Analysis of Conventional and Helical Baffles in Heat Exchanger

Abstract

In a shell-and-tube heat exchanger, the pressure drop is reduced and the heat transfer and the heat transfer-to-pressure-drop ratio are both improved by angling the baffle up to the point where the pressure drop is smallest. However, this study uses computational methods to analyse shell-and-tube heat exchangers. Producing a fast and easy-to-use computer programme for heat transfer calculations is a key part of this process. An examination of a shell-and-tube heat exchanger's shell has been completed. Kern's method is applied to the standard segmental baffle heat exchanger with constant flow rates on the shell side and variable flow rates in the volume. Heat exchangers with a 25% baffle cut have been built using Kern's method (fixed). Compared to segmental baffle heat exchangers, helical baffle heat exchangers are shown to have a higher ratio of heat transfer coefficient per unit pressure drop in this method's thermal analysis.