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CFD Analysis of Heat Transfer in a Helical HX With Elliptical Cross Section in Liquid Medium

Journal: International Journal of Science and Research (IJSR) (Vol.9, No. 5)

Publication Date:

Authors : ; ;

Page : 1017-1022

Keywords : Helical Heat Exchanger; Ansys Fluent; helical heat flow; Elliptical tube layout; Heat Transfer; Numerical Method; Nusselt number;

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The objective of this research is to deal with the analysis of the helical coiled heat exchanger (circular and elliptical cross section) with various correlations given by different papers for specific conditions. A heat exchanger is a device that is used to transfer thermal energy (enthalpy) between two or more fluids, between a solid surface and a fluid, or between solid particulates and a fluid, at different temperatures and in thermal contact. The complex fluid-dynamic inside curved pipe heat exchangers gives them important advantages over the performance of straight tubes in terms of area/volume ratio and enhancing of heat transfer and mass transfer coefficient. The analysis of these various correlations with certain defined data is presented in this project. In this study, an attempt has been made to analyze the effect of counter-flow on the total heat transfer from a helical tube. The temperature contours, velocity vectors, surface nusselt number, total heat transfer rate from the wall of the tube was calculated and plotted using ANSYS 16.1. The fluid flowing through the inner tube and outer casing was taken as water.

Last modified: 2021-06-28 17:06:43