Paper Titles

Micro Electrochemical Machining of Tungsten Carbide
p.3696

Prediction for Constitutive Relationship of Metallic Rubber with Various Parameters by BP Neural Net
p.3705

Designing a Multi Echelon Flexible Logistics Network Using Co-Evolutionary Immune-Particle Swarm Optimization with Penetrated Hyper-Mutation (COIPSO-PHM)
p.3713

Fluidization of Geldart Type-D Particles in a Swirling Fluidized Bed
p.3720

Flow Characteristics of Nanofluids According to Nanoparticles Shape
p.3728

The Formation of Diamond-Like Carbon Film at Atmospheric Pressure by the Pulsed Laser/Plasma Hybrid Deposition Method
p.3737

Research of the Technological Parameters Importance for Plasma Arc Thermal Cutting
p.3742

One-Dimensional Harmonic Oscillator in Quantum Phase Space
p.3750

Property Comparison of CuInSi Films Prepared by Multilayer Synthesized and Magnetron Co-Sputtering
p.3755

HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 110-116Flow Characteristics of Nanofluids According to...

Flow Characteristics of Nanofluids According to Nanoparticles Shape

Article Preview

Abstract:

In this paper, flow characteristics of water-based Al₂O₃ nanofluids according to nanoparticles shape are experimentally investigated in fully developed laminar flow regime. Al₂O₃ nanofluids of 0.3 Vol. % with sphere-, rod-, blade-, platelet-and brick-shaped nanoparticles are manufactured by the two-step method. Nanoparticles shape dispersed in base fluid are also checked using TEM image. Zeta potential and sedimentation are measured to examine suspension and dispersion characteristics of Al₂O₃ nanofluids with nanoparticles of various shapes. Based on the experimental results, it is found that the pressure drop of Al₂O₃ nanofluids strongly depends on the shape of nanoparticles at the fixed volume fraction of 0.3%. We experimentally show that the pressure drop characteristics of Al₂O₃ nanofluids can be explained by both the surface area per unit mass and the size of nanoparticles which are related with the shape of nanoparticles.

You might also be interested in these eBooks

Mechanical and Aerospace Engineering, ICMAE2011

Info:

Periodical:

Applied Mechanics and Materials (Volumes 110-116)

Pages:

3728-3736

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.110-116.3728

Citation:

Cite this paper

Online since:

October 2011

Authors:

Kyo Sik Hwang, Il Kwon Baek, Hyun Kyo Shin, Seok Pil Jang

Keywords:

Component, Nanofluid, Nanoparticles Shape, Pressure Drop

Export:

RIS, BibTeX

Price:

Permissions CCC:

Request Permissions

Permissions PLS:

Request Permissions

Сopyright:

© 2012 Trans Tech Publications Ltd. All Rights Reserved

Share:

Citation:

[1] J. A. Eastman, S. U. S. Choi, S. Li, and L. J. Thompson, Enhanced Thermal Conductivity through the Development of Nanofluids, Proc. Symp. Nanophase and Nanocomposite Mater. II, vol. 457, 1997, pp.2-11.

[2] S. Lee, S. U. S. Choi, and J. A. Eastman, Measuring Thermal Conductivity of Fluids Containing Oxide Nanoparticles, ASME J. Heat Transfer, vol. 121, 1999, pp.280-289.

DOI: 10.1115/1.2825978

[3] X. Wang, X. Xu, and S. U. S. Choi, Thermal Conductivity of Nanoparticle-Fluid Mixture, J. Thermophysics and Heat Transfer, vol. 13, 1999, pp.474-480.

DOI: 10.2514/2.6486

[4] H. Q. Xie, J. C. Wang, T. G. Xi, Y. Liu, F. Ai, and Q. R. Wu, Thermal, Conductivity Enhancement of Suspensions Containing Nanosized Alumina Particles, Journal of Applied Physics, vol. 91, 2002, pp.4568-4572.

DOI: 10.1063/1.1454184

[5] S. K. Das, N. Putra, P. Thiesen, and W. Roetzel, Temperature Dependence of Thermal Conductivity Enhancement for Nanofluids, ASME J. Heat Transfer, vol. 125, 2003, pp.567-574.

DOI: 10.1115/1.1571080

[6] H. E. Patel, S. K. Das, T. Sundararajan, A. S. Nair, B. George, and T. Pradeep, Thermal conductivities of naked and monolayer protected metal nanoparticle base nanofluids manifestation of anomalous enhancement and chemical effects, Appl. Phys. Lett., vol. 83, 2003, pp.2931-2933.

DOI: 10.1063/1.1602578

[7] S. P. Jang, and S. U. S. Choi, Role of Brownian motion in the enhanced thermal conductivity of nanofluids, Appl. Phys. Lett., vol. 84, 2004, pp.4316-4318.

DOI: 10.1063/1.1756684

[8] D. Wen, and Y. Ding, Experimental investigation into convective heat transfer of nanofluid at the entrance region under laminar flow conditions, Int. J. Heat Mass Transfer, vol. 47, 2004, pp.5181-5188.

DOI: 10.1016/j.ijheatmasstransfer.2004.07.012

[9] Y. Ding, H. Alias, D. Wen, and R. A. Williams, Heat transfer of aqueous suspensions of carbon nanotubes (CNT nanofluids), Int. J. Heat Mass Transfer, vol. 49, 2006, pp.240-250.

DOI: 10.1016/j.ijheatmasstransfer.2005.07.009

[10] J. Buongiorno, Convective transport in nanofluids, ASME J. Heat Transfer, vol. 128, 2006, pp.240-250.

DOI: 10.1115/1.2150834

[11] K. S. Hwang, S. P. Jang, and S. U. S. Choi, Flow and Convective Heat Transfer Characteristics of Water-Based Al2O3 Nanofluids in Fully Developed Laminar Flow Regime, Int. J. Heat Mass Transfer, vol. 52, 2009, pp.193-199.

DOI: 10.1016/j.ijheatmasstransfer.2008.06.032

[12] Y. He, Y. Jin, H. Chen, Y. Ding, D. Cang, and H. Lu, Heat transfer and flow behaviour of aqueous suspensions of TiO2 nanoparticles (nanofluids) flowing upward through a vertical pipe, Int. J. Heat Mass Transfer, vol. 50, 2007, p.2272–2281.

DOI: 10.1016/j.ijheatmasstransfer.2006.10.024

[13] S. Z. Heris, M. N. Esfahany, and S. G. Etemad, Experimental investigation of convective heat transfer of Al2O3/water nanofluid in circular tube, Int. J. Heat Fluid Flow, vol. 28, 2007, p.203–210.

DOI: 10.1016/j.ijheatfluidflow.2006.05.001

[14] B. C. Pak, and Y. I. Cho, Hydrodynamic and heat transfer study of dispersed fluids with submicron metallic oxide particle, Experimental Heat Transfer, vol. 11, 1998, pp.151-170.

DOI: 10.1080/08916159808946559

[15] Y. Xuan, and Q. Li, Investigation on convective heat transfer and flow features of nanofluids, ASME J. Heat Transfer, vol. 125, 2003, pp.151-155.

DOI: 10.1115/1.1532008

[16] W. Duangthongsuk, and S. Wongwises, Heat transfer enhancement and pressure drop characteristics of TiO2–water nanofluid in a double-tube counter flow heat exchanger, Int. J. Heat Mass Transfer, vol. 52, 2009, p.2059–(2067).

DOI: 10.1016/j.ijheatmasstransfer.2008.10.023

[17] U. Rea, T. McKrell, L. Hu, and J. Buongiorno, Laminar convective heat transfer and viscous pressure loss of alumina–water and zirconia–water nanofluids, Int. J. Heat Mass Transfer, vol. 52, 2009, p.2042–(2048).

DOI: 10.1016/j.ijheatmasstransfer.2008.10.025

[18] W. Williams, J. Buongiorno, and L. Hu, Experimental Investigation of Turbulent Convective Heat Transfer and Pressure Loss of Alumina/Water and Zirconia/Water Nanoparticle Colloids (Nanofluids) in Horizontal Tubes, J. Heat Transfer, vol. 130, 2008, p.042412.

DOI: 10.1115/1.2818775

[19] J. H. Lee, K. S. Hwang, S. P. Jang, B. H. Lee, J. H. Kim, S. U. S. Choi, and C. J. Choi, Effective viscosities and thermal conductivities of aqueous nanofluids containing low volume concentrations of Al2O3 Nanoparticles, Int. J. Heat Mass Transfer, vol. 51, 2008, pp.2651-2656.

DOI: 10.1016/j.ijheatmasstransfer.2007.10.026

[20] R. H. Müller, Zetapotential und Partikelladung in der Laborpraxis, 1st Ed., Stuttgart: Wissenschaftliche Verlagsgesellschaft (1996).

[21] H. J. Kim, S. H. Lee, H. M. Lim, and S. P. Jang Effect of Particle Shape on Thermal Conductivities and Suspension Stabilities of Water-based Al2O3 Nanofluids, unpublished.

[22] Y. Xuan, and W. Roetzel, Conceptions for Heat Transfer Correlation of Nanofluids, Int. J. Heat Mass Transfer, vol. 43, 2000, p.3701–3707.

DOI: 10.1016/s0017-9310(99)00369-5

[23] T. R. Bott, Fouling of Heat Exchangers, Elsevier, New York, (1995).

[24] D. H. Lister, Corrosion Products in Power Generating Systems, AECL-6877, June (1980).

[25] P. J. Whitmore, and A. Meisen, Estimation of Thermo- and Diffusiophoretic Particle Deposition, Can. J. Chem. Eng., vol. 55, 1977, p.279–285.

DOI: 10.1002/cjce.5450550307