Effectiveness enchancement of heat exchanger by using nanofluids

Hasanuzzaman, M. and Saidur, Rahman and Rahim, N.A. (2011) Effectiveness enchancement of heat exchanger by using nanofluids. In: 2011 IEEE 1st Conference on Clean Energy and Technology, CET 2011, 2011, Kuala Lumpur.

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Abstract

Heat exchanger is the almost common equipment for the industrial process heating. Heat is transferred from one fluid to other fluids by convection and conduction through the wall of the heat exchanger. Effectiveness of heat exchanger depends on the convection heat transfer coefficient of the fluid. Convective heat transfer coefficient of water, Cu-water, Al-water, Al 2O 3-water and TiO 2-water of 2 nanoparticle concentration has been calculated for counter flow heat exchanger. It is found that convective heat transfer coefficient of Cu-water, Al-water, Al 2O 3-water and TiO 2-water nanofluids are 81, 63, 66 and 64 higher compared to pure water respectively. It is found that overall heat transfer coefficient of Cu-water, Al-water, Al 2O 3-water and TiO 2-water nanofluids are 23, 20, 21 and 20 higher compared to pure water respectively.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Conference code: 87112 Cited By (since 1996): 2 Export Date: 6 December 2012 Source: Scopus Art. No.: 6041444 doi: 10.1109/CET.2011.6041444 Language of Original Document: English Correspondence Address: Hasanuzzaman, M.; Department of Mechanical Engineering, Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia; email: hasan@um.edu.my References: Hasanuzzaman, M., Rahim, N.A., Saidur, R., Kazi, S.N., Energy savings and emissions reductions for rewinding and replacement of industrial motor (2011) Energy, 36 (1), pp. 233-240; Saidur, R., Hasanuzzaman, M., Sattar, M.A., Masjuki, H.H., Irfan Anjum, M., Mohiuddin, A.K.M., An analysis of energy use, energy intensity and emissions at the industrial sector of Malaysia (2007) International Journal of Mechanical and Materials Engineering, 2 (1), pp. 84-92; Murshed, S.M.S., Leong, K.C., Yang, C., Thermophysical and electrokinetic properties of nanofluids - A critical review (2008) Applied Thermal Engineering, 28 (17-18), pp. 2109-2125; Daungthongsuk, W., Wongwises, S., A critical review of convective heat transfer of nanofluids (2007) Renewable and Sustainable Energy Reviews, 11 (5), pp. 797-817. , DOI 10.1016/j.rser.2005.06.005, PII S1364032105000626; 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Uncontrolled Keywords: Effectiveness, Heat Exchanger, Nanofluid, Thermal conductivity, Convection and conduction, Convective heat transfer Coefficient, Counter flow heat exchangers, Industrial processs, Nano-fluid, Nanofluids, Nanoparticle concentrations, Overall heat transfer coefficient, Pure water, Through the wall, TiO, Water nanofluids, Aluminum, Fluids, Heat exchangers, Heat transfer coefficients, Nanofluidics, Titanium dioxide, Heat convection.
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: 05 Jul 2013 02:04
Last Modified: 25 Oct 2019 06:03
URI: http://eprints.um.edu.my/id/eprint/6708

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