Comment on “Magnetoviscosity and relaxation in ferrofluids”

Shliomis, M. I.

doi:10.1103/physreve.64.063501

Cited by 66 publications

(32 citation statements)

References 13 publications

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“…Comparing with the analytical calculations of the magnetoviscosity obtained from the MRSh model using the effectivefield method 15 (EFM), Shliomis 13 indicated that the Feld model leads to anomalous results for large magnetic field strengths. Considering nonequilibrium effects on magnetoviscosity, Shliomis 16 further tested the Sh01 model and showed that it turns out to be valid even far from equilibrium.…”

Section: Argument About Model Equationsmentioning

confidence: 99%

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Magnetoviscosity in magnetic fluids: Testing different models of the magnetization equation

Weng¹,

Chen²,

Chang³

2013

Smart Science

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Section: Argument About Model Equationsmentioning

confidence: 99%

“…The MRSh model was recognized as the most accurate model for all states [8][9][10] , but its form is complicated. Recently, to obtain a more proper form than the Sh72 model or a simpler form than the MRSh model, Felderhof et al 11,12 (Feld), Shliomis 13 …”

Section: Magnetoviscosity In Magnetic Fluids: Testing Different Modelmentioning

confidence: 99%

Magnetoviscosity in magnetic fluids: Testing different models of the magnetization equation

Weng¹,

Chen²,

Chang³

2013

Smart Science

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“…For the treatment of this physical configuration for gravitational instability, the conventional set of ferrohydrodynamic equations are given by (cf. [16,17])…”

Section: Mathematical Model and Basic Equationsmentioning

confidence: 99%

“…The ferrofluid magnetization M satisfies Shliomis' [16,17] equation of magnetization, which is given by…”

Section: Mathematical Model and Basic Equationsmentioning

confidence: 99%

On the Magnetogravitational Instability of a Ferromagnetic Dust Cloud in the Presence of Nonuniform Rotation

Dhiman

Dadwal

2012

ISRN Astronomy and Astrophysics

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The effect of a nonuniform magnetic field on the gravitational instability of a nonuniformly rotating infinitely extending axisymmetric cylinder in a homogenous ferromagnetic medium has been studied. The propagation of the wave is allowed along radial direction. A general dispersion relation, using the normal mode analysis method on the perturbation equations of the problem, is obtained. It is found that Bel and Schatzman criterion determines the gravitational instability of this general problem. Thus, it appears that the effect of non-uniform magnetic field on the gravitational instability as discussed by (Dhiman and Dadwal, 2010) is marginalized by the magnetic polarizability of ferrofluid.

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“…Di erent aspects of ferro uid ows have also been studied, analytically and numerically. Shliomis et al [22,23] focused on improving the equations of ferrohydrodynamics and ferro uids magnetization and relaxation behavior. Lavrora [24] presented numerical methods for predicting static axisymmetric shapes of ferro uids.…”

Section: Introductionmentioning

confidence: 99%

Ferrofluid appendages: Ferrofluid vortex container - A numerical investigation of free surface shape and vortex flow in ferrofluids for different relative densities

Chekab

Ghadimi

2017

Scientia Iranica

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Abstract. The use of ferro uids as shapeable external appendage to a submerged body and as a mean of vortex ow induction is studied in this paper. Ansys-CFX numerical results are validated against analytical problems and used to analyze the ferro uid free surface shape a ected by gravity, di erent magnets, and di erent densities of the surrounding non-magnetic uids. It is demonstrated that the height, width, and curvature of ferro uid can be controlled by magnet size and strength. It is also observed that ferro uid mass loss may occur due to gravity, which should be addressed in designing a uid appendage. Subsequently, vortex production inside the ferro uid is investigated via a shear ow on the magnet. It is shown that ferro uid can contain complex vortices while being shaped by the magnetic eld, gravity, and the vortices. It is also observed that vortices inside the ferro uid a ect the ow of the surrounding uid. Additionally, the e ects of surface tension and viscosity are brie y analyzed to roughly show the importance of these parameters for further works. Overall, it is concluded that using ferro uids as appendages for shaping and controlling uid ow around submerged bodies seems to be practical and calls for more attention.

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Comment on “Magnetoviscosity and relaxation in ferrofluids”

Cited by 66 publications

References 13 publications

Magnetoviscosity in magnetic fluids: Testing different models of the magnetization equation

Magnetoviscosity in magnetic fluids: Testing different models of the magnetization equation

On the Magnetogravitational Instability of a Ferromagnetic Dust Cloud in the Presence of Nonuniform Rotation

Ferrofluid appendages: Ferrofluid vortex container - A numerical investigation of free surface shape and vortex flow in ferrofluids for different relative densities

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