IJERT-EMS
IJERT-EMS

Numerical And Experimental Study Of Helix Heat Exchanger


Numerical And Experimental Study Of Helix Heat Exchanger
Authors : C. Sivarajan, B. Rajasekaran, N. Krishnamohan
Publication Date: 04-04-2013

Authors

Author(s):  C. Sivarajan, B. Rajasekaran, N. Krishnamohan

Published in:   International Journal of Engineering Research & Technology

License:  This work is licensed under a Creative Commons Attribution 4.0 International License.

Website: www.ijert.org

Volume/Issue:   Vol.2 - Issue 4 (April - 2013)

e-ISSN:   2278-0181

Abstract

Shell and tube heat exchangers with helical baffles are used for improved performance by reducing pressure drop, vibration, and fouling while maintaining a higher heat transfer capability. In the present study, a 3D numerical simulation of a Shell and tube heat exchanger with a continuous helical baffle is carried out by using commercial codes of GAMBIT 2.3 and FLUENT 6.3. An experimental analysis and numerical comparison is provided that examines developments and improvements on a conventional Shell and Tube heat exchanger (STHX) and a Shell and tube heat exchanger with a continuous helical baffle (STHXHB).The analysis has been made for both cold and hot fluid. It was found that the increase in total heat transfer rate is 09% to 23% for the STHXHB compared with STHX for different hot fluid velocities. It is also concluded that STHXHB have a higher total heat transfer rate and a lower pressure drop when compared to the STHX for the same mass flow rate and inlet condition. There is good agreement between numerical and experimental results.

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