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Non-Newtonian particulate flow simulation: A direct-forcing immersed boundary–lattice Boltzmann approach

Author

Listed:
  • Amiri Delouei, A.
  • Nazari, M.
  • Kayhani, M.H.
  • Kang, S.K.
  • Succi, S.

Abstract

In the current study, a direct-forcing immersed boundary–non-Newtonian lattice Boltzmann method (IB–NLBM) is developed to investigate the sedimentation and interaction of particles in shear-thinning and shear-thickening fluids. In the proposed IB–NLBM, the non-linear mechanics of non-Newtonian particulate flows is detected by combination of the most desirable features of immersed boundary and lattice Boltzmann methods. The noticeable roles of non-Newtonian behavior on particle motion, settling velocity and generalized Reynolds number are investigated by simulating benchmark problem of one-particle sedimentation under the same generalized Archimedes number. The effects of extra force due to added accelerated mass are analyzed on the particle motion which have a significant impact on shear-thinning fluids. For the first time, the phenomena of interaction among the particles, such as Drafting, Kissing, and Tumbling in non-Newtonian fluids are investigated by simulation of two-particle sedimentation and twelve-particle sedimentation. The results show that increasing the shear-thickening behavior of fluid leads to a significant increase in the kissing time. Moreover, the transverse position of particles for shear-thinning fluids during the tumbling interval is different from Newtonian and the shear-thickening fluids. The present non-Newtonian particulate study can be applied in several industrial and scientific applications, like the non-Newtonian sedimentation behavior of particles in food industrial and biological fluids.

Suggested Citation

  • Amiri Delouei, A. & Nazari, M. & Kayhani, M.H. & Kang, S.K. & Succi, S., 2016. "Non-Newtonian particulate flow simulation: A direct-forcing immersed boundary–lattice Boltzmann approach," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 447(C), pages 1-20.
    • Handle: RePEc:eee:phsmap:v:447:y:2016:i:c:p:1-20
    DOI: 10.1016/j.physa.2015.11.032
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    Citations

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    Cited by:

    1. Ghosh, Sudeshna & Kumar, Manish, 2020. "Study of drafting, kissing and tumbling process of two particles with different sizes and densities using immersed boundary method in a confined medium," Applied Mathematics and Computation, Elsevier, vol. 386(C).
    2. Mohebbi, Rasul & Delouei, Amin Amiri & Jamali, Amin & Izadi, Mohsen & Mohamad, Abdulmajeed A., 2019. "Pore-scale simulation of non-Newtonian power-law fluid flow and forced convection in partially porous media: Thermal lattice Boltzmann method," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 525(C), pages 642-656.
    3. Wang, Gaosheng & Song, Xianzhi & Yu, Chao & Shi, Yu & Song, Guofeng & Xu, Fuqiang & Ji, Jiayan & Song, Zihao, 2022. "Heat extraction study of a novel hydrothermal open-loop geothermal system in a multi-lateral horizontal well," Energy, Elsevier, vol. 242(C).
    4. Dong Zhang & Enzhi Wang & Xiaoli Liu, 2021. "Comparative Study of Lattice Boltzmann Models for Complex Fractal Geometry," Energies, MDPI, vol. 14(20), pages 1-20, October.

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