Characterization of sedimentation and high magnetic field flow behavior of some magnetorheological fluids

Liţǎ, M.; Han, Adelina; Susan-Resiga, Daniela

doi:10.1088/1742-6596/149/1/012071

Cited by 8 publications

(2 citation statements)

References 6 publications

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“…Mineral, silicone, and hydraulic oils, silicone copolymers, polyester, diesters, polyoxyalkylenes, glycols, as well as water are most often used to produce MR fluids [9,10]. In the article by [11], two organic oils (cotton oil and sunflower oil) were used as carrier liquids for the research.…”

Section: Introductionmentioning

confidence: 99%

Investigation the Effect of MR Fluid Composition on Properties at Low Strain Ranges

Fenyk,

Horak,

Zieliński

2023

Materials

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The paper presents the results of eight magnetorheological (MR) fluids of different compositions. Magnetite and carbonyl iron were used as magnetic particles. MR fluids based on glycerin and OKS 352 oil were produced using stabilizers in the form of oleic acid and Aerosil 200 (Evonik Resource Efficiency GmbH, Hanau, Germany) silica; additives such as graphite and yellow dextrin were also used. The aim of the study was to determine the properties of various combinations of components on the dynamic properties of MR fluids, i.e., properties characterizing the fluid within the range of low deformations, as well as to investigate the effect of different compositions on structural yield stress and flow stress prepared MR fluids at different magnetic field induction values.

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Section: Introductionmentioning

confidence: 99%

Investigation the Effect of MR Fluid Composition on Properties at Low Strain Ranges

Fenyk,

Horak,

Zieliński

2023

Materials

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“…The sensing coil is stationary; therefore, only the course of localized sedimentation can be surveyed. Lita [32] tried to characterize the sedimentation rate by x-ray transmission using a Dron 3 diffractometer. Again, the device has a stationary probe and thus it only measures the concentration at the gauge location.…”

Section: Introductionmentioning

confidence: 99%

A novel method for measurement of MR fluid sedimentation and its experimental verification

Roupec

Berka

Mazůrek

et al. 2017

Smart Mater. Struct.

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This article presents a novel sedimentation measurement technique based on quantifying the changes in magnetic flux density when the magnetorheological fluid (MRF) passes through the air gap of the magnetic circuit. The sedimented MRF appears to have as a result of increased iron content. Accordingly, the sedimented portion of the sample displays a higher magnetic conductivity than the unsedimented area that contains less iron particles. The data analysis and evaluation methodology is elaborated along with an example set of measurements, which are compared against the visual observations and available data in the literature. Experiments indicate that unlike the existing methods, the new technique is able to accurately generate the complete curves of the sedimentation profile in a long-term sedimentation. The proposed method is capable of successfully detecting the area with the tightest particle configuration near the bottom (‘cake’ layer). It also addresses the issues with the development of an unclear boundary between the carrier fluid and the sediment (mudline) during an accelerated sedimentation process; improves the sensitivity of the sedimentation detection and accurately measure the changes in particle concentration with a high resolution.

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Experimental study of the dynamics of magneto-rheological fluid droplet impact

Rahimi

Weihs

2012

Exp Fluids

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Characterization of sedimentation and high magnetic field flow behavior of some magnetorheological fluids

Cited by 8 publications

References 6 publications

Investigation the Effect of MR Fluid Composition on Properties at Low Strain Ranges

Investigation the Effect of MR Fluid Composition on Properties at Low Strain Ranges

A novel method for measurement of MR fluid sedimentation and its experimental verification

Experimental study of the dynamics of magneto-rheological fluid droplet impact

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