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IJERT-EMS

Enhancement Of Condensation Heat Transfer Coefficient Of Copper Tube In A Shell And Tube Condenser


Enhancement Of Condensation Heat Transfer Coefficient Of Copper Tube In A Shell And Tube Condenser
Authors : N. Thangavelu, N. Mohandoss Gandhi
Publication Date: 30-10-2013

Authors

Author(s):  N. Thangavelu, N. Mohandoss Gandhi

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 11 (November - 2013)

e-ISSN:   2278-0181

Abstract

The Condensation of steam on single horizontal copper tube in a shell and tube condenser has been investigated using experimental and theoretical methods in this study. The outer surface of the tube was modified by brazing it with a copper wire longitudinally and helically to enhance the heat transfer coefficient. The effect of varying the pitch of the helically brazed wire was studied with 25 mm and 35 mm pitch. Longitudinally Wire Brazed (LOWIB) and Helically Wire Brazed (HEWIB) Copper tubes with pitch 25 mm and 35 mm were found to increase the heat transfer coefficient by a factor of about 1.5, 2 and 1.2 respectively.

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