Influence of Magnetic Fields on Nanoparticle-Based Blood Flow in Arteries with Stenosis and Dilatation

SHIVA KRISHNA; Maddileti

doi:10.5269/bspm.82365

Auteurs-es

SHIVA KRISHNA Associate Professor, TKR College Of Engineering & Technology, Hyderabad, Telangana, India
Maddileti Professor, Mahatma Gandhi University, Nalgonda, Telangana, India

DOI :

https://doi.org/10.5269/bspm.82365

Résumé

Arterial stenosis refers to thepathological reduction invessel diameter,whichmarkedlydi
minishesbloodcirculationandplays amajor role incardiovasculardiseases. Suchconstrictiongenerates
elevatedtangential stressesthatcompromisearterialwall integrity,possiblyleadingtopost-stenoticexpan
sionoraneurysmaldevelopment.Thisstudyexaminestheflowbehaviorofbloodcontainingsuspendedsilver
nanoparticlesthroughanarterywithastenosedsectionfollowedbyadilatedsegmentunderanappliedex
ternalfield. Usingthemildstenosisassumption,analytical expressionsarederivedforvelocitydistribution,
pressuregradient,wall shearstress,andflowresistance. The influenceofkeyphysicalparametersonhemo
dynamicquantities isexplored.Thestenosisheightenhances impedanceandwall stress,whileenlargingthe
dilatationlowersthem

Références

1. T. Azuma and T. Fukushima, Flow patterns in stenotic blood vessel models, Biorheology 13, 337–355, (1976).
2. P. Chaturani and R. Ponnalagusamy, Pulsatile flow of Casson’s fluid through stenosed arteries with applications to
blood flow, Biorheology 23, 499–511, (1986).
3. J. H. Forrester and D. F. Young, Flow through a converging–diverging tube and its implications in occlusive vascular
disease, Journal of Biomechanics 3, 297–316, (1970).
4. D. A. MacDonald, On steady flow through modelled vascular stenosis, Journal of Biomechanics 12, 13–30, (1979).
5. B. Pincombe, B. Mazumdar, and J. Hamilton-Craig, Effects of multiple stenoses and post-stenotic dilation on non
Newtonian blood flow in small arteries, Medical & Biological Engineering & Computing 37, 595–599, (1999).
6. K. M. Prasad, T. Sudha, and M. V. Phanikumar, The effects of post-stenotic dilatation on the flow of couple stress
f
luid through stenosed arteries, American Journal of Computational Mathematics 6, 365–376, (2016).
7. M. K. Prasad and G. Radhakrishnamacharya, Flow of Herschel–Bulkley fluid through an inclined tube of non-uniform
cross-section with multiple stenosis, Archive of Mechanics 60, 161–172, (2008).
8. S. Priyadharshini and R. Ponnalagusamy, Biorheological model on flow of Herschel–Bulkley fluid through a tapered
arterial stenosis and dilatation, Applied Bionics and Biomechanics, Article ID 406195, 1–12, (2015).
9. D. F. Young, Effects of a time-dependent stenosis on flow through a tube, Journal of Engineering for Industry 90,
248–254, (1968).
10. M. K. Sharma, P. R. Sharma, and V. Nasha, Pulsatile MHD arterial blood flow in the presence of double stenosis,
Journal of Applied Fluid Mechanics 6(3), 331–338, (2013).
11. J. B. Shukla, R. S. Parihar, and B. R. P. Rao, Effects of stenosis on non-Newtonian flow through an artery with mild
stenosis, Bulletin of Mathematical Biology 42, 283–294, (1980).
12. C. Umadevi, M. Dhange, B. Haritha, and T. Sudha, Flow of blood mixed with copper nanoparticles in an inclined
overlapping stenosed artery with magnetic field, Case Studies in Thermal Engineering 25, Article ID 100947, (2021).
13. N. S. Akbar and W.Butt, Magnetic field effects for copper suspended nanofluid flow through composite stenosed arteries
with permeable walls, Journal of Magnetism and Magnetic Materials, 1–7, (2015).
14. F. Tang et al., Nanofluid flow analysis in stenosed arteries, Case Studies in Thermal Engineering 47, Article ID 103064,
(2023)