Convective Flow of Blood through a Constricted Cylinder and the Effect of Cholesterol Growth Rate on the Motion in the Presence of a Magnetic Field

An inflammatory disease resulting in the pathological constriction of the intima and media of the arterial system, such as the aorta, causes symptoms like stroke, heart attack, or angina; This research investigates the convective flow of blood through a constricted cylinder and the effect of choles...

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Main Authors: K. W. Bunonyo, E. Amos
Format: Article
Language:English
Published: Nigerian Society of Physical Sciences 2022-12-01
Series:African Scientific Reports
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Online Access:https://asr.nsps.org.ng/index.php/asr/article/view/56
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author K. W. Bunonyo
E. Amos
author_facet K. W. Bunonyo
E. Amos
author_sort K. W. Bunonyo
collection DOAJ
description An inflammatory disease resulting in the pathological constriction of the intima and media of the arterial system, such as the aorta, causes symptoms like stroke, heart attack, or angina; This research investigates the convective flow of blood through a constricted cylinder and the effect of cholesterol growth rate on the motion in the presence of a magnetic field by transforming the problem into a system of time-dependent partial differential equations. The governing partial differential equations (PDEs) were transformed into dimensionless ordinary differential equations (ODEs) and solved using the Laplace method. After obtaining the analytical solution, Wolfram Mathematica was used to perform the numerical computation where the various physical parameters such as Soret number, radiation number, solutal Grashof number, Schmidt number, and Prandtl number were varied to their impact studied. The study discovered that increasing the Soret number causes an increase in blood velocity, whereas decreasing the Solutal Grashof number decreases blood velocity. Furthermore, an increase in radiation parameter increases the blood velocity, but a Soret number increase results in a decrease in the concentration of cholesterol in the fluid, a Schmidt number, and oscillatory frequency increase, causing the temperature to decrease. This research is useful for clinicians and mathematical modellers who are trying to understand the flow of cholesterol saturated fluid in the human vascular system and how best to proffer analytical and numerical solutions in synergy with laboratory investigation.
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spelling doaj-art-19adb6ffbea8446abf3f59b42c28d88c2025-07-30T00:02:13ZengNigerian Society of Physical SciencesAfrican Scientific Reports2955-16252955-16172022-12-011310.46481/asr.2022.1.3.5656Convective Flow of Blood through a Constricted Cylinder and the Effect of Cholesterol Growth Rate on the Motion in the Presence of a Magnetic FieldK. W. BunonyoE. Amos An inflammatory disease resulting in the pathological constriction of the intima and media of the arterial system, such as the aorta, causes symptoms like stroke, heart attack, or angina; This research investigates the convective flow of blood through a constricted cylinder and the effect of cholesterol growth rate on the motion in the presence of a magnetic field by transforming the problem into a system of time-dependent partial differential equations. The governing partial differential equations (PDEs) were transformed into dimensionless ordinary differential equations (ODEs) and solved using the Laplace method. After obtaining the analytical solution, Wolfram Mathematica was used to perform the numerical computation where the various physical parameters such as Soret number, radiation number, solutal Grashof number, Schmidt number, and Prandtl number were varied to their impact studied. The study discovered that increasing the Soret number causes an increase in blood velocity, whereas decreasing the Solutal Grashof number decreases blood velocity. Furthermore, an increase in radiation parameter increases the blood velocity, but a Soret number increase results in a decrease in the concentration of cholesterol in the fluid, a Schmidt number, and oscillatory frequency increase, causing the temperature to decrease. This research is useful for clinicians and mathematical modellers who are trying to understand the flow of cholesterol saturated fluid in the human vascular system and how best to proffer analytical and numerical solutions in synergy with laboratory investigation. https://asr.nsps.org.ng/index.php/asr/article/view/56Blood, Convection, Cholesterol, Growth, Motion, Magnetic Field, Cylinder, LDL
spellingShingle K. W. Bunonyo
E. Amos
Convective Flow of Blood through a Constricted Cylinder and the Effect of Cholesterol Growth Rate on the Motion in the Presence of a Magnetic Field
African Scientific Reports
Blood, Convection, Cholesterol, Growth, Motion, Magnetic Field, Cylinder, LDL
title Convective Flow of Blood through a Constricted Cylinder and the Effect of Cholesterol Growth Rate on the Motion in the Presence of a Magnetic Field
title_full Convective Flow of Blood through a Constricted Cylinder and the Effect of Cholesterol Growth Rate on the Motion in the Presence of a Magnetic Field
title_fullStr Convective Flow of Blood through a Constricted Cylinder and the Effect of Cholesterol Growth Rate on the Motion in the Presence of a Magnetic Field
title_full_unstemmed Convective Flow of Blood through a Constricted Cylinder and the Effect of Cholesterol Growth Rate on the Motion in the Presence of a Magnetic Field
title_short Convective Flow of Blood through a Constricted Cylinder and the Effect of Cholesterol Growth Rate on the Motion in the Presence of a Magnetic Field
title_sort convective flow of blood through a constricted cylinder and the effect of cholesterol growth rate on the motion in the presence of a magnetic field
topic Blood, Convection, Cholesterol, Growth, Motion, Magnetic Field, Cylinder, LDL
url https://asr.nsps.org.ng/index.php/asr/article/view/56
work_keys_str_mv AT kwbunonyo convectiveflowofbloodthroughaconstrictedcylinderandtheeffectofcholesterolgrowthrateonthemotioninthepresenceofamagneticfield
AT eamos convectiveflowofbloodthroughaconstrictedcylinderandtheeffectofcholesterolgrowthrateonthemotioninthepresenceofamagneticfield