Influence of the Particles Size and Size Distribution on the Magnetorheological Fluids Properties

Chiriac, H.; Stoian, George

doi:10.1109/tmag.2009.2024633

Cited by 43 publications

(17 citation statements)

References 8 publications

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“…In the same tone with Lemaire et al, they described small particles are half of the size of larger size particles. Some researchers such as Chiriac and Stoian [21] have attempted to draw fine distinctions between small and large size particles. Unlike Lemaire et al, Chiriac and Stoian specified small size particles are lesser than 20µm, and larger particles have the size between 50 to 63µm.…”

Section: The Dispersed Particlesmentioning

confidence: 99%

“…Although decreasing the particle size reduces the sedimentation rate, the field-induced yield stress is negatively affected by the changes. Collectively, evidence from various researches suggests the larger sized particle provides higher attainable force at the cost of undesirable off-state viscosity of MRF and sedimentation problem [21,106,120,137].…”

Section: The Dispersed Particlesmentioning

confidence: 99%

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A Brief Review of Preparation Method and Challenges of Magnetorheological Fluids

Unuh¹,

Muhamad²

2020

ARMS

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In recent years, there has been an increased interest in the application of smart material technologies. The primary features of smart materials are the ability to provide multifunctional behaviour. Among smart materials technologies, magnetorheological fluids (MRFs) have been efficiently utilised in a variety of applications, especially in mechanical vibration engineering. In this paper, a brief review of past studies on the preparation methods, MRFs contents that contribute to the performance of MRFs as a smart material is conducted. The effect of particle size, shapes and also volume concentration is also discussed. This papers concludes with discussion on some current challenges and future prospect of MRFs.

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Section: The Dispersed Particlesmentioning

confidence: 99%

Section: The Dispersed Particlesmentioning

confidence: 99%

A Brief Review of Preparation Method and Challenges of Magnetorheological Fluids

Unuh¹,

Muhamad²

2020

ARMS

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“…Therefore, the magnetic property, shape, size, and inner structure of the magnetic particles become the critical roles for affecting the rheological properties [16,17]. During the past decade, several groups performed intensive work in this area to investigate the magnetoviscous mechanism [18][19][20][21][22][23].…”

Section: Introductionmentioning

confidence: 99%

Study on MHD Cylindrical Couette Flow and Rheological Properties of Some Magnetic Suspensions

Hamza

2019

JAP

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The study of magnetic suspensions (MS) and magnetic field effects on their rheological properties is of evident practical importance due to its ability to orient and change their physical properties, especially their viscosity, by magnetic fields. This research presents the effect of a uniform magnetic field on the flow of MS in the annular region between two concentric cylinders. The motion of the fluid is due to the rotation of the inner cylinder with a constant angular velocity. An exact solution of the governing equations is obtained in the form of modified Bessel functions of the first and second kinds. The torque, which must be applied to the inner cylinder in order to maintain the rotation, is also calculated. The results show that as the magnetic parameter increases, the velocity profile decreases, while the torque increases due to the effect of magnetic force against the flow direction. In order to model the magnetoviscous effects, experiments were performed for different shear rates and different magnetic field strengths by using specially designed rheometers. The studied samples are iron oxide-water-glycerol system, ferrofluid nanoparticles, MAG DX biocompatible ferrofluid. The theoretical analysis is based on Giesekus model for MS. This model gives more accurate results and takes into account the effects of viscoelastic shear thinning characteristics. It is found that a magnetic field increases the viscosity of all suspensions under consideration. Finally, new proposed correlation for the viscosity of MS as a function of both shear rate and magnetic field has been suggested.

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“…Because of its unique properties, the MR material has attracted great research interest in new material development, rheological mechanism, property measurement and modeling, as well as new applications [7][8][9][10][11]. However, the properties and mechanism of MR fluid material have not been deeply understood, so the applications of the material in industry have been limited in only several areas like dampers and vibration absorbers.…”

Section: Introductionmentioning

confidence: 99%

B-H relations of magnetorheological fluid under 2-D rotating magnetic field excitation

Guo

Zeng

Zhu

et al. 2013

2013 IEEE International Conference on Applied Superconductivity and Electromagnetic Devices

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Influence of the Particles Size and Size Distribution on the Magnetorheological Fluids Properties

Cited by 43 publications

References 8 publications

A Brief Review of Preparation Method and Challenges of Magnetorheological Fluids

A Brief Review of Preparation Method and Challenges of Magnetorheological Fluids

Study on MHD Cylindrical Couette Flow and Rheological Properties of Some Magnetic Suspensions

B-H relations of magnetorheological fluid under 2-D rotating magnetic field excitation

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