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This study investigated the impact of gold nanoparticles on non-Newtonian pulsatile blood flow in arteries with two distinct types of stenosis. The analysis was conducted taking into account hematocrit-dependent blood viscosity and the effect of periodic body acceleration. Adopting the assumption of mild stenosis, the bidirectional momentum equations were simplified to a unidirectional model. The finite-difference method was used to discretize the partial differential equations, enabling reliable numerical solutions to be obtained. The results obtained make it possible to examine in detail the influence of gold nanoparticles (AuNPs) on various hemodynamic parameters. Validation was carried out for the case of blood without additives. In addition, a comparative analysis of velocity, temperature, flow and impedance profiles was carried out for irregular and composite stenosis geometries.

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Influence of Hematocrit on Electroosmotic Pulsatile Blood Flow of Casson Nanofluid in a Stenosed Arterial Segment

  • 章节

  • 发表日期：

    2026年

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  • Issa El Glili,
  • Hafsa Akkaoui,
  • Youness Foukhari,
  • Abdelmajid Saidi,
  • Mohamed Driouich,
  • Mohamed Sammouda

摘要

This study investigated the impact of gold nanoparticles on non-Newtonian pulsatile blood flow in arteries with two distinct types of stenosis. The analysis was conducted taking into account hematocrit-dependent blood viscosity and the effect of periodic body acceleration. Adopting the assumption of mild stenosis, the bidirectional momentum equations were simplified to a unidirectional model. The finite-difference method was used to discretize the partial differential equations, enabling reliable numerical solutions to be obtained. The results obtained make it possible to examine in detail the influence of gold nanoparticles (AuNPs) on various hemodynamic parameters. Validation was carried out for the case of blood without additives. In addition, a comparative analysis of velocity, temperature, flow and impedance profiles was carried out for irregular and composite stenosis geometries.