CFD Application on Shell and Double Concentric Tube Heat Exchanger

  • Basma Abbas Abdulmajeed College of Engineering-University of Baghdad
  • Hawraa Riyadh Jawad College of Engineering-University of Baghdad
Keywords: CFD ; shell-and-double concentric tube; heat exchanger; performance study; numerical simulation.

Abstract

This work is concerned with the design and performance evaluation of a shell and double concentric tubes heat exchanger using Solid Works and ANSY (Computational Fluid Dynamics).

Computational fluid dynamics technique which is a computer-based analysis is used to simulate the heat exchanger involving fluid flow, heat transfer. CFD resolve the entire heat exchanger in discrete elements to find: (1) the temperature gradients, (2) pressure distribution, and (3) velocity vectors.  The RNG k-ε model of turbulence is used to determining the accurate results from CFD.

The heat exchanger design for this work consisted of a shell and eight double concentric tubes. The number of inlets are three and that of outlets are also three for all the fluids that pass through the heat exchanger.

A comparison was made for the numerical and experimental results and it was found that the percentage error for the hot oil outlet temperature was (6.8%) and the percentage error was (- 21%) for cold water outlet temperature.

 

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Published
2019-01-31
How to Cite
Abdulmajeed, B. and Jawad, H. (2019) “CFD Application on Shell and Double Concentric Tube Heat Exchanger”, Journal of Engineering, 25(2), pp. 136-150. doi: 10.31026/j.eng.2019.02.09.

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