کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
478888 700366 2015 11 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Suspension model for blood flow through catheterized curved artery with time-variant overlapping stenosis
ترجمه فارسی عنوان
مدل تعلیق برای جریان خون از طریق شریان انحصاری کاتتریزه با تنگی همپوشانی زمانی
کلمات کلیدی
مدل تعلیق، شریان کاتتر تنه جریان خون
موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر علوم کامپیوتر (عمومی)
چکیده انگلیسی

This paper is concerned with the analysis of a particle-fluid suspension model for the axi-symmetric flow of blood through curved coaxial tubes where the outer tube with mild overlapping stenosis while the inner tube is uniform rigid representing catheter. The governing equations written in rectangular toroidal coordinates and the problem is formulated using a perturbation expansion in terms of a variant of curvature parameter to obtain explicit forms for the axial velocities of fluid and particulate phases, the stream function, the resistance impedance, pressure drop and the wall shear stress distribution also the results were studied for various values of the physical parameters, such as the curvature parameter ε, the radius of catheter σ, the volume fraction density of the particles C, the taper angle ϕ and the maximum height of stenosis δ∗. The obtained results show that there is a significant deference between curvature and non-curvature annulus flows through catheterized stenosed arteries. This study provides a scope for estimating the influence of the problem parameters on different flow characteristics and to ascertain which of the parameters has the most dominating role.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Engineering Science and Technology, an International Journal - Volume 18, Issue 3, September 2015, Pages 452–462
نویسندگان
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