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Impact of gold and silver nanoparticles injected in blood with viscous dissipation

Author

Listed:
  • Haris Alam Zuberi
  • Madan Lal
  • Shivangi Verma
  • Ali J. Chamkha
  • Nurul Amira Zainal

Abstract

A nano-blood model is developed to study the flow of gold- and silver-infused blood through a porous, stenotic artery under Newtonian assumptions. Wall curvature, convective heating, wall motion, and viscous dissipation are considered. Darcy’s model simulates porous resistance, and the Tiwari-Das model captures nanoparticle effects. Governing equations are reduced via similarity transformations and solved using MATLAB’s bvp4c solver. Validation against existing studies is provided. Results show gold-blood nanofluid achieves higher velocities than silver-blood. Increasing the Biot number enhances cooling at the arterial wall. Detailed graphs and 3D contour plots illustrate the effects on temperature, velocity, skin friction, and Nusselt number.

Suggested Citation

  • Haris Alam Zuberi & Madan Lal & Shivangi Verma & Ali J. Chamkha & Nurul Amira Zainal, 2025. "Impact of gold and silver nanoparticles injected in blood with viscous dissipation," Computer Methods in Biomechanics and Biomedical Engineering, Taylor & Francis Journals, vol. 28(8), pages 1373-1397, June.
    • Handle: RePEc:taf:gcmbxx:v:28:y:2025:i:8:p:1373-1397
    DOI: 10.1080/10255842.2025.2495893
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