Heat transfer and entropy analysis of three different types of heat exchangers operated with nanofluids

Leong, K.Y. and Saidur, Rahman and Khairulmaini, M. and Michael, Z. and Kamyar, A. (2012) Heat transfer and entropy analysis of three different types of heat exchangers operated with nanofluids. International Communications in Heat and Mass Transfer, 39 (6). pp. 838-843. ISSN 0735-1933, DOI https://doi.org/10.1016/j.icheatmasstransfer.2012.04.003.

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The development of nanotechnology has witnessed an emergence of new generation of heat transfer fluids known as nanofluids. Nanofluids are used as coolants which provide excellent thermal performance in shell and tube heat exchangers. However, the viscosity of these fluids increases with the addition of nanoparticles. Furthermore, the performance of these heat exchangers is influenced by the arrangement of baffles. Thus, in this paper, the study focuses on the heat transfer and entropy analysis of segmental, 25° and 50 helical baffles shell and tube heat exchangers. Heat transfer rate of the 25 helical baffles heat exchanger found to be the highest among the three heat exchangers studied in this research. Study indicates that shell and tube heat exchanger with 50° helical baffles exhibits lowest entropy generation among three different heat exchangers.

Item Type: Article
Additional Information: 978VP Times Cited:0 Cited References Count:38
Uncontrolled Keywords: Entropy, Heat exchanger, Helical, Nanofluids, Segmental, Entropy analysis, Entropy generation, Heat transfer rate, Helical baffles, In-shell, Shell and tube heat exchangers, Thermal Performance, Heat exchangers, Heat transfer, Tubes (components), Nanofluidics.
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TJ Mechanical engineering and machinery
Divisions: Faculty of Engineering
Depositing User: Mr Jenal S
Date Deposited: 03 Jul 2013 03:56
Last Modified: 25 Oct 2019 06:23
URI: http://eprints.um.edu.my/id/eprint/6561

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