期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 417, 期 -, 页码 243-248出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2016.05.092
关键词
Experimental study; Viscosity; Magnetite nanofluid; Fe3O4/water; Correlation
In this paper, experimental determination of dynamic viscosity of water based magnetite nanofluid (Fe3O4/water) was performed. The viscosity was measured in the temperature range of 20-55 degrees C for various samples with solid volume fractions of 0.1%, 0.2%, 0.4%, 1%, 2% and 3%. The results showed that the viscosity considerably decreases with increasing temperature. Moreover, the viscosity enhances with an increase in the solid volume fraction, remarkably. The calculated viscosity ratios showed that the maximum viscosity enhancement was 129.7%. Using experimental data, a new correlation has been proposed to predict the viscosity of magnetite nanofluid (Fe3O4/water). A comparison between the experimental results and the correlation outputs showed that the proposed model has a suitable accuracy. (C) 2016 Elsevier B.V. All rights reserved.
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