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

Authors

Haris Alam Zuberi, Madan Lal, Shivangi Verma, Ali J Chamkha, Nurul Amira Zainal

Published in

Computer methods in biomechanics and biomedical engineering. Pages 1-25. May 01, 2025. Epub May 01, 2025.

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.

PMID:
40312656
Bibliographic data and abstract were imported from PubMed on 02 May 2025.

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