NUMERICAL SIMULATION OF SINUSOIDAL FLUCTUATED PULSATILE LAMINAR FLOW THROUGH STENOTIC ARTERY

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TOUFIQUE HASAN A.B.M.; DAS DIPAK KANTI

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Journal Paper

Paper Information

Journal: JOURNAL OF APPLIED FLUID MECHANICS (JAFM) Year:2008 | Volume:1 | Issue:2 Page(s): 25-35

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Title

NUMERICAL SIMULATION OF SINUSOIDAL FLUCTUATED PULSATILE LAMINAR FLOW THROUGH STENOTIC ARTERY

Author(s)

TOUFIQUE HASAN A.B.M. | DAS DIPAK KANTI | Issue Writer Certificate

Keywords

STENOSIS

VORTICITY

WALL SHEAR STRESS

BIO-FLUID DYNAMICS

Abstract

A numerical investigation is carried out for laminar sinusoidal pulsating flow through a modeled arterial STENOSIS with a trapezoidal profile up to peak Reynolds number of 1000. Finite element based numerical technique is used to solve the fluid flow governing equations where the fluid is assumed to be viscous, incompressible and Newtonian. The effects of pulsation, STENOSIS severity, Reynolds number and Womersley number on the flow behavior are studied. The dynamic nature of pulsating flow disturbs the radial velocity distribution and thus generates recirculation zone in the poststenotic region. The peak WALL SHEAR STRESS develops for 65% STENOSIS (by area) is 3, 2.2, and 1.3 times higher than that for 30%, 45%, and 55% STENOSIS, respectively. Peak WALL SHEAR STRESS and wall VORTICITY appear to intense at the throat of the STENOSIS. It is also observed that the peak wall VORTICITY seems to increase with the increase of STENOSIS size and Reynolds number. However, the peak values of instantaneous wall VORTICITY are not greatly affected by the variation of Womersley number.

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APA: Copy

TOUFIQUE HASAN, A.B.M., & DAS, DIPAK KANTI. (2008). NUMERICAL SIMULATION OF SINUSOIDAL FLUCTUATED PULSATILE LAMINAR FLOW THROUGH STENOTIC ARTERY. JOURNAL OF APPLIED FLUID MECHANICS (JAFM), 1(2), 25-35. SID. https://sid.ir/paper/307289/en

Vancouver: Copy

TOUFIQUE HASAN A.B.M., DAS DIPAK KANTI. NUMERICAL SIMULATION OF SINUSOIDAL FLUCTUATED PULSATILE LAMINAR FLOW THROUGH STENOTIC ARTERY. JOURNAL OF APPLIED FLUID MECHANICS (JAFM)[Internet]. 2008;1(2):25-35. Available from: https://sid.ir/paper/307289/en

IEEE: Copy

A.B.M. TOUFIQUE HASAN, and DIPAK KANTI DAS, “NUMERICAL SIMULATION OF SINUSOIDAL FLUCTUATED PULSATILE LAMINAR FLOW THROUGH STENOTIC ARTERY,” JOURNAL OF APPLIED FLUID MECHANICS (JAFM), vol. 1, no. 2, pp. 25–35, 2008, [Online]. Available: https://sid.ir/paper/307289/en

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