Numerical study of shear thickening fluid with distinct particles dispersed in carrier fluid

Chauhan, Vimal; Kumar, Ashish; Bhalla, Neelanchali Asija; Danish, Mohammad; Ranjan, Vinayak

doi:10.21595/vp.2018.20397

Cited by 4 publications

(3 citation statements)

References 9 publications

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“…Again, indeed, the stress is expected to be saturated at ultrahigh fields, as was mentioned previously about the viscosity. It is believed that nanoparticles have a lower response than microparticles [60], which may reduce the rearranging of the nanoparticles again in the chain beyond the static shear rates. Different models (Bingham model and plastic Herschel-Bulkley, Cross, and Carreau ones) were utilized to understand the manner of this fluid.…”

Section: Magnetorheological Characterizationmentioning

confidence: 99%

Investigation of Static Shear Stress in a Suspension of Co0.2Ni0.8Fe2O4 Nanoparticles in Sesame Oil

Lafta

2023

Ukr. J. Phys.

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Spinel ferrite nanoparticles of Co0.2Ni0.8Fe2O4 composition are utilized as filler magnetic particles in the carrier fluid of sesame oil to prepare a magnetorheological fluid. The hydrothermal method is adopted to prepare CoNi ferrite nanoparticles. X-ray diffraction analysis is used to check the crystalline phase, and transmission electron microscopy is used to image the particles to find the size and shape of particles. The average size is about 18 nm. The magnetic properties are determined by measuring the hysteresis loop by the superconducting quantum interference device technique. The saturation magnetization is 59.4 emu/g, and the coercivity is 30 Oe. The Langevin fitting is applied to the hysteresis loop to show that the particle moment is about 16 × 103 μB. The viscosity and shear stress are measured against the shear rate, where the latter parameters are extracted from the viscosity and the viscometer spindle speed. The viscosity behavior showed the shear thinning against the shear rate. The viscosity increases with the magnetic field. The shear stress increases with the shear rate and has a very good matching with the Bingham model, rather than with the Herschel–Bulkley model, while describing the measured data. We observed a clear high static shear stress at low shear rates that are growing with the magnetic field. The yield stress was increased linearly with magnetic field strength.

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Section: Magnetorheological Characterizationmentioning

confidence: 99%

Investigation of Static Shear Stress in a Suspension of Co0.2Ni0.8Fe2O4 Nanoparticles in Sesame Oil

Lafta

2023

Ukr. J. Phys.

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“…Chauhan et al 23 created a micro-scale model to study STF interactions under shear stress (Figure 3B). Figure 2B shows the geometry of the STF model.…”

Section: Case Analysismentioning

confidence: 99%

The numerical simulation of the mechanical failure behavior of shear thickening fluid/fiber composites: A review

Zhang

Yan

Zhang

et al. 2021

Polymers for Advanced Techs

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This study reveals the finite element modeling of mechanical failure behavior of shear thickening fluid (STF)/fiber composites under impact. Numerical analysis and finite element modeling of the rheological properties of non-Newtonian fluid, STF are introduced. This review summarizes the model coupling methods in finite element modeling and the mechanical failure behavior prediction models of STF/fiber composites under impact. Further, the influencing factors on the accuracy of mechanical failure simulation models are analyzed. Factors such as the friction between fibers, shear rate, filler particles in the fibers, hysteresis effect and the boundary conditions should be considered in simulating the shear thickening effect of the composites.

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“…Micro-scale modelling of STF has also been reported in the literature (Chauhan et al, 2018). Chauhan et al (2018) used Lagrangian approach for the solid phase of STF, while Eulerian approach was used to model the carrier liquid. This approach of modelling STF is unsuitable for STF-impregnated fabric modelling due to the very high number of elements that have to be used.…”

Section: Incorporation Of the Effects Of Stf In The Modelling Of Fabricsmentioning

confidence: 99%

Incorporation of shear thickening fluid effects into computational modelling of woven fabrics subjected to impact loading: A review

Weerasinghe

Mohotti

Anderson³

2019

International Journal of Protective Structures

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Soft armour consisting of multi-layered high-performance fabrics are a popular choice for personal protection. Extensive work done in the last few decades suggests that shear thickening fluids improve the impact resistance of woven fabrics. Shear thickening fluid–impregnated fabrics have been proven as an ideal candidate for producing comfortable, high-performance soft body armour. However, the mechanism of defeating a projectile using a shear thickening fluid–impregnated multi-layered fabric is not fully understood and can be considered as a gap in the research done on the improvement of soft armour. Even though considerable progress has been achieved on dry fabrics, limited studies have been performed on shear thickening fluid–impregnated fabrics. The knowledge of simulation of multi-layered fabric armour is not well developed. The complexity in creating the geometry of the yarns, incorporating friction between yarns and initial pre-tension between yarns due to weaving patterns make the numerical modelling a complex process. In addition, the existing knowledge in this area is widely dispersed in the published literature and requires synthesis to enhance the development of shear thickening fluid–impregnated fabrics. Therefore, this article aims to provide a comprehensive review of the current methods of modelling shear thickening fluid–impregnated fabrics with a critical analysis of the techniques used. The review is preceded by an overview of shear thickening behaviour and related mechanisms, followed by a discussion of innovative approaches in numerical modelling of fabrics. A novel state-of-the-art means of modelling shear thickening fluid–impregnated fabrics is proposed in conclusion of the review of current methods. A short case study is also presented using the proposed approach of modelling.

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Numerical study of shear thickening fluid with distinct particles dispersed in carrier fluid

Cited by 4 publications

References 9 publications

Investigation of Static Shear Stress in a Suspension of Co0.2Ni0.8Fe2O4 Nanoparticles in Sesame Oil

Investigation of Static Shear Stress in a Suspension of Co0.2Ni0.8Fe2O4 Nanoparticles in Sesame Oil

The numerical simulation of the mechanical failure behavior of shear thickening fluid/fiber composites: A review

Incorporation of shear thickening fluid effects into computational modelling of woven fabrics subjected to impact loading: A review

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