International Journal of Innovation and Applied Studies
ISSN: 2028-9324     CODEN: IJIABO     OCLC Number: 828807274     ZDB-ID: 2703985-7
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Investigation into fouling factor in compact heat exchanger

Volume 2, Issue 3, March 2013, Pages 238–249

 Investigation into fouling factor in compact heat exchanger

Masoud Asadi1 and Ramin Haghighi Khoshkhoo2

1 Department of Mechanical Engineering, Azad Islamic University Science and Research branch, Tehran, Iran
2 Department of Mechanical Engineering & Energy engineering, Power and Water University of Technology, Tehran, Iran

Original language: English

Received 6 January 2013

Copyright © 2013 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Fouling problems cannot be avoided in many heat exchanger operations, and it is necessary to introduce defensive measures to minimize fouling and the cost of cleaning. The fouling control measures used during either design or operation must be subjected to a thorough economic analysis, taking into consideration all the costs of the fouling control measures and their projected benefits in reducing costs due to fouling. Under some conditions, nearly asymptotic fouling resistances can be obtained, and this suggests a somewhat different approach to the economics. Fouling is a generic term for the deposition of foreign matter on a heat transfer surface. Deposits accumulating in the small channels of a compact heat exchanger affect both heat transfer and fluid flow. Fouling deposits constricting passages in a compact heat exchanger are likely to increase the pressure drop and therefore reduce the flow rate. Reduced flow rate may be a process constraint; it reduces efficiency and increases the associated energy use and running costs. Maintenance costs will also increase. Fouling remains the area of greatest concern for those considering the installation of compact heat exchangers. The widespread installation of compact heat exchangers has been hindered by the perception that the small passages are more strongly affected by the formation of deposits. In this paper different types of fouling and treatment are presented.

Author Keywords: Compact Heat exchanger, Fouling Factor, Fouling Resistance.

How to Cite this Article

Masoud Asadi and Ramin Haghighi Khoshkhoo, “Investigation into fouling factor in compact heat exchanger,” International Journal of Innovation and Applied Studies, vol. 2, no. 3, pp. 238–249, March 2013.