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Journal of Engineering
Volume 2014 (2014), Article ID 920970, 9 pages
http://dx.doi.org/10.1155/2014/920970
Research Article

Effect of Twisted-Tape Turbulators and Nanofluid on Heat Transfer in a Double Pipe Heat Exchanger

1Department of Chemistry, Sciences Faculty, Islamic Azad University, Arak Branch, Arak, Iran
2Department of Chemical Engineering, Islamic Azad University, Mahshahr Branch, Mahshahr, Iran
3Department of Chemistry, Islamic Azad University, Saveh Branch, Saveh 39197-15179, Iran

Received 18 August 2014; Revised 30 October 2014; Accepted 30 October 2014; Published 19 November 2014

Academic Editor: Michael Fairweather

Copyright © 2014 Heydar Maddah et al. 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.

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