The Effect of Excitation Current on Shear Stress of Magnetorheological Fluid
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International Journal of Recent Engineering Science (IJRES) |  |
| © 2016 by IJRES Journal | ||
| Volume-3 Issue-3 |
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| Year of Publication : 2016 | ||
| Authors : Gong Xubo, Chi Yurong, Liu Qiang, Zhou Kun |
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| DOI : 10.14445/23497157/IJRES-V3I3P106 |
How to Cite?
Gong Xubo, Chi Yurong, Liu Qiang, Zhou Kun, "The Effect of Excitation Current on Shear Stress of Magnetorheological Fluid," International Journal of Recent Engineering Science, vol. 3, no. 3, pp. 28-32, 2016. Crossref, https://doi.org/10.14445/23497157/IJRES-V3I3P106
Abstract
Rheometer Anton Paar Physica MCR 301 was applied to do the experimental study on the responses of shear stress under a step and a linear excitation current. The results indicate that shear stress of magnetorheological fluid shows a step change under an applied step external excitation current. When the strength of the excitation current is small, the dependence of shear stress on excitation current is exponential function whose index value is 1.25. When the excitation current is big, their relationship would change into a quadratic polynomial function. The magnitudes of the shear stress under two kinds of excitation current are linked to the shear rate.
Keywords
Magnetorheological fluid, Shear stress, Step excitation current, Linear excitation current, Response
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