Abstract:One of the most important features of ferrofluids is the possibility to change their physical properties, especially their viscosity, by means of moderate magnetic fields. This capability makes ferrofluids very useful in the fields of engineering, medicine and fundamental research. Rheological experimental results, as well as theoretical studies, correlate the change of the viscosity of a sheared ferrofluid under the influence of a magnetic field, the so-called magnetoviscous effect, to the internal structure … Show more
“…However, at constant shear rate the viscosity increases with increase in the magnetic field (Fig. 4) until it reaches a saturation point which is in agreement with the Pop et al findings [42]. For FF, the viscosity is determined by the viscosity of carrier liquid (water) and the interaction of MNPs.…”
Section: Rheological Property Of Magnetic Fluidsupporting
“…However, at constant shear rate the viscosity increases with increase in the magnetic field (Fig. 4) until it reaches a saturation point which is in agreement with the Pop et al findings [42]. For FF, the viscosity is determined by the viscosity of carrier liquid (water) and the interaction of MNPs.…”
Section: Rheological Property Of Magnetic Fluidsupporting
“…4e and f). The agreement with the qualitative model developed to explain the macroscopical behaviour of ferrofluids [9] is confirmed also by the scattering curves obtained for Co ferrofluids. The radial averaged intensity plotted as a function of the scattering vector (Q) shows no dependence on the shear rate for the situation without magnetic field (see Fig.…”
“…Also, it is found that SðK xz Þ increases in the high-K xz region as the magnetic field increases. Our results can be used to interpret experimental observations as obtained in a recent work [19] on the anisotropic structure of colloidal ferrofluids.…”
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