Dynamic Viscosity of Aluminum Oxide-Ethylene Glycol (Al₂O₃-EG) Nanofluids

• Authors: G. Żyła , J. Fal , M. Gizowska , A. Witek , M. Cholewa
• Languages of publication: EN

Abstracts

EN

The paper presents the results of measurements of rheological properties of ethylene glycol (EG) based aluminum oxide (Al₂O₃) nanofluids. The nanofluids have been produced by two-step method with the use of commercially available nanoparticles. Dynamic viscosity curves and dependence of viscosity on temperature for these materials have been measured. It has shown that with higher concentration of nanoparticles in the suspension, these nanofluids exhibit the non-Newtonian flow and it can be considered as shear-thinning liquids. The effect of temperature on the dynamic viscosity in Al₂O₃-EG nanofluids can be modelled with the use of Vogel-Fulcher-Tammann expression.

Keywords

EN

83.10.Pp; 83.50.Ax; 83.60.Fg; 83.60.Rs; 83.80.Hj

Discipline

• 83.60.Rs: Shear rate-dependent structure (shear thinning and shear thickening)
• 83.50.Ax: Steady shear flows, viscometric flow
• 83.10.Pp: Particle dynamics
• 83.60.Fg: Shear rate dependent viscosity
• 83.80.Hj: Suspensions, dispersions, pastes, slurries, colloids

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2015
• Volume: 128
• Issue: 2
• Pages: 240-242

Dates

published

2015-08

Contributors

author

G. Żyła

• Department of Physics, Rzeszów University of Technology, al. Powstańców Warszawy 6, 35-959 Rzeszów, Poland

author

J. Fal

• Department of Physics, Rzeszów University of Technology, al. Powstańców Warszawy 6, 35-959 Rzeszów, Poland

author

M. Gizowska

• Department of Nanotechnology, Institute of Ceramics and Building Materials, Warszawa, Poland

author

A. Witek

• Department of Nanotechnology, Institute of Ceramics and Building Materials, Warszawa, Poland

author

M. Cholewa

• Department of Biophysics, University of Rzeszow, Rzeszów, Poland

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Identifiers

DOI

10.12693/APhysPolA.128.239