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

SHIVA KRISHNA; Maddileti

doi:10.5269/bspm.82365

Autores/as

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

Resumen

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

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