scholarly journals How nonmagnetic particles intensify rotational diffusion in magnetorheological fluids

2014 ◽  
Vol 90 (1) ◽  
Author(s):  
L. Rodríguez-Arco ◽  
M. T. López-López ◽  
P. Kuzhir ◽  
F. González-Caballero
Keyword(s):  
Rotational Diffusion ◽  
Magnetorheological Fluids ◽  
Nonmagnetic Particles

Effect of Compound Surfactants Modified Carbonyl Iron on Magnetorheological Fluids

2021 ◽  
Author(s):  
Jingzhen Cheng ◽  
Kuo Liu ◽  
Zuocai Zhang ◽  
Zhouqiao Wei ◽  
Yinghui Ma ◽  
...  
Keyword(s):  
Carbonyl Iron ◽  
Magnetorheological Fluids

scholarly journals Rotational Particle Separation in Solutions: Micropolar Fluid Theory Approach

Polymers ◽  
2021 ◽  
Vol 13 (7) ◽  
pp. 1072
Author(s):  
Vladimir Shelukhin
Keyword(s):  
Mathematical Model ◽  
Rotational Diffusion ◽  
Particle Separation ◽  
Theory Approach ◽  
Steady Flows ◽  
Concentric Cylinder ◽  
Polar Fluid ◽  
Fluid Theory ◽  
Couette Cell ◽  
Granular Fluid

We develop a new mathematical model for rotational sedimentation of particles for steady flows of a viscoplastic granular fluid in a concentric-cylinder Couette geometry when rotation of the Couette cell inner cylinder is prescribed. We treat the suspension as a micro-polar fluid. The model is validated by comparison with known data of measurement. Within the proposed theory, we prove that sedimentation occurs due to particles’ rotation and rotational diffusion.

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