The slow motion of a solid spherical particle which is immersed in a non-Newtonian nanofluid and flowing through a curved peristaltic channel is studied. The more important physical application of this type of motion is the motion of clots through blood arteries and the motion gallstones in the bile duct. The biviscosity model is applied to represent the rheological property of the non-Newtonian fluid. Also, the biviscosity model is one of the most important models that can be considers to describe rheological properties of the blood flow and the other biological fluids in the human body. Also, the flow motion in the blood vessels and other vital vessels undergo peristaltic movement. So, this type of motion has many medical and biological applications. In the mathematical treatment, due to the symmetry of the flow channel, the stress tensor components of the biviscosity model are obtained twice. Firstly, in the polar coordinates due to the curvature of the channel. Secondly, due to the spherical coordinates for the spherical motion of the particle to obtain the general form of the stream function which represents the flow motion. The peristaltic motion is studied generally without the ordinary longwave approximation and without assuming the small value of Reynolds number. This gives more generalization to the results. The most important factor in this type of motion is the drag force that effect on the spherical body (clot or stone) motion in the vessel. So, the problem is solved analytically, and the drag force is obtained numerically. Also, the heat and the volume fraction distributions are obtained. The results illustrate that the existence of the nanoparticles reduces the drag force, which contributes to increasing the sliding motion of the spherical particle and contributes on removing the blood clot and stone through the vital vessel. Some other important parameters, which effects on the motion, are considered such as the radius ratio, curvature parameter, the wave speed, the wave amplitude, and the slip parameter. The results illustrated that the increase of the fluid viscosity enhances the friction force. Meanwhile, the Brownian motion of the nanoparticles enhances the flow motion which intern enhances the slipping motion of the particle.
| Published in | Science Discovery Physics (Volume 1, Issue 1) |
| DOI | 10.11648/j.sdp.20260101.11 |
| Page(s) | 1-28 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2026. Published by Science Publishing Group |
Spherical Particle Slow Motion, Peristaltic Channel, Non-newtonian Nano-fluid, Curved Channel, Drag Force
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APA Style
Hassan, M. A. (2026). Slipping of a Spherical Particle Through Peristaltic Curved Tube Filled with Non-newtonian Nanofluid. Science Discovery Physics, 1(1), 1-28. https://doi.org/10.11648/j.sdp.20260101.11
ACS Style
Hassan, M. A. Slipping of a Spherical Particle Through Peristaltic Curved Tube Filled with Non-newtonian Nanofluid. Sci. Discov. Phys. 2026, 1(1), 1-28. doi: 10.11648/j.sdp.20260101.11
AMA Style
Hassan MA. Slipping of a Spherical Particle Through Peristaltic Curved Tube Filled with Non-newtonian Nanofluid. Sci Discov Phys. 2026;1(1):1-28. doi: 10.11648/j.sdp.20260101.11
@article{10.11648/j.sdp.20260101.11,
author = {Mohamed Ahmed Hassan},
title = {Slipping of a Spherical Particle Through Peristaltic Curved Tube Filled with Non-newtonian Nanofluid},
journal = {Science Discovery Physics},
volume = {1},
number = {1},
pages = {1-28},
doi = {10.11648/j.sdp.20260101.11},
url = {https://doi.org/10.11648/j.sdp.20260101.11},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sdp.20260101.11},
abstract = {The slow motion of a solid spherical particle which is immersed in a non-Newtonian nanofluid and flowing through a curved peristaltic channel is studied. The more important physical application of this type of motion is the motion of clots through blood arteries and the motion gallstones in the bile duct. The biviscosity model is applied to represent the rheological property of the non-Newtonian fluid. Also, the biviscosity model is one of the most important models that can be considers to describe rheological properties of the blood flow and the other biological fluids in the human body. Also, the flow motion in the blood vessels and other vital vessels undergo peristaltic movement. So, this type of motion has many medical and biological applications. In the mathematical treatment, due to the symmetry of the flow channel, the stress tensor components of the biviscosity model are obtained twice. Firstly, in the polar coordinates due to the curvature of the channel. Secondly, due to the spherical coordinates for the spherical motion of the particle to obtain the general form of the stream function which represents the flow motion. The peristaltic motion is studied generally without the ordinary longwave approximation and without assuming the small value of Reynolds number. This gives more generalization to the results. The most important factor in this type of motion is the drag force that effect on the spherical body (clot or stone) motion in the vessel. So, the problem is solved analytically, and the drag force is obtained numerically. Also, the heat and the volume fraction distributions are obtained. The results illustrate that the existence of the nanoparticles reduces the drag force, which contributes to increasing the sliding motion of the spherical particle and contributes on removing the blood clot and stone through the vital vessel. Some other important parameters, which effects on the motion, are considered such as the radius ratio, curvature parameter, the wave speed, the wave amplitude, and the slip parameter. The results illustrated that the increase of the fluid viscosity enhances the friction force. Meanwhile, the Brownian motion of the nanoparticles enhances the flow motion which intern enhances the slipping motion of the particle.},
year = {2026}
}
TY - JOUR T1 - Slipping of a Spherical Particle Through Peristaltic Curved Tube Filled with Non-newtonian Nanofluid AU - Mohamed Ahmed Hassan Y1 - 2026/02/09 PY - 2026 N1 - https://doi.org/10.11648/j.sdp.20260101.11 DO - 10.11648/j.sdp.20260101.11 T2 - Science Discovery Physics JF - Science Discovery Physics JO - Science Discovery Physics SP - 1 EP - 28 PB - Science Publishing Group UR - https://doi.org/10.11648/j.sdp.20260101.11 AB - The slow motion of a solid spherical particle which is immersed in a non-Newtonian nanofluid and flowing through a curved peristaltic channel is studied. The more important physical application of this type of motion is the motion of clots through blood arteries and the motion gallstones in the bile duct. The biviscosity model is applied to represent the rheological property of the non-Newtonian fluid. Also, the biviscosity model is one of the most important models that can be considers to describe rheological properties of the blood flow and the other biological fluids in the human body. Also, the flow motion in the blood vessels and other vital vessels undergo peristaltic movement. So, this type of motion has many medical and biological applications. In the mathematical treatment, due to the symmetry of the flow channel, the stress tensor components of the biviscosity model are obtained twice. Firstly, in the polar coordinates due to the curvature of the channel. Secondly, due to the spherical coordinates for the spherical motion of the particle to obtain the general form of the stream function which represents the flow motion. The peristaltic motion is studied generally without the ordinary longwave approximation and without assuming the small value of Reynolds number. This gives more generalization to the results. The most important factor in this type of motion is the drag force that effect on the spherical body (clot or stone) motion in the vessel. So, the problem is solved analytically, and the drag force is obtained numerically. Also, the heat and the volume fraction distributions are obtained. The results illustrate that the existence of the nanoparticles reduces the drag force, which contributes to increasing the sliding motion of the spherical particle and contributes on removing the blood clot and stone through the vital vessel. Some other important parameters, which effects on the motion, are considered such as the radius ratio, curvature parameter, the wave speed, the wave amplitude, and the slip parameter. The results illustrated that the increase of the fluid viscosity enhances the friction force. Meanwhile, the Brownian motion of the nanoparticles enhances the flow motion which intern enhances the slipping motion of the particle. VL - 1 IS - 1 ER -