Performance and Pressure Drop Study on Shell and Tube and Double Pipe Heat Exchangers

Teodora Maria Fernandes Brito Da Silva, Kholifahtul Nisa, Puspita Anggraeni, Nurur Rifky Wibowo, Thomas Azziz Alathif

Abstract

ABSTRACT. Heat exchangers are essential equipment in various industrial processes, where hydrodynamic characteristics such as pressure drop play a role in determining performance and operational safety. This study aims to directly compare the pressure drop characteristics and the (DG/μ)av parameter relationship between shell-and-tube and double-pipe heat exchangers at a laboratory scale. Experiments were conducted with varying fluid flow rates in the range of 0.8–1.2 GPM. Pressure drop values were measured using a U-tube manometer, while the (DG/μ)av parameter was calculated based on the physical properties of the fluid at the average operating temperature. The experimental results indicate that increasing the flow rate causes an increase in pressure drop in both types of heat exchangers. However, a direct comparison at the same flow rate conditions shows clear differences in the hydrodynamic characteristics. The double-pipe heat exchanger exhibits a more consistent pressure drop relationship (DG/μ)av, while the shell-and-tube heat exchanger, especially on the shell side, exhibits more fluctuating pressure drop variations due to the complexity of the internal flow pattern. These findings indicate that the geometric configuration of the heat exchanger has a significant influence on the hydrodynamic response under laboratory-scale operating conditions.

Keywords:

Heat Exchanger, Shell and Tube, Double-Pipe, Pressure Drop, Flow Rate.

 

 

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DOI: https://doi.org/10.20961/equilibrium.v10i1.111008

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