پديد آورنده :
گلشيرازي، اميرحسين
عنوان :
شبيه سازي جريان خون در يك شريان داراي انحنا و گرفتگي
مقطع تحصيلي :
كارشناسي ارشد
گرايش تحصيلي :
﴿مهندسي شيمي﴾
محل تحصيل :
اصفهان: دانشگاه صنعتي اصفهان، دانشكده مهندسي شيمي
صفحه شمار :
شانزده، 104، [I] ص: مصور، جدول، نمودار
يادداشت :
ص. ع. به فارسي و انگليسي
استاد راهنما :
غلامرضا اعتماد، شاپور رودپيما
توصيفگر ها :
اريتروسيت ها , لكوسيت ها , ويسكوزيته خون , شريان كرونري
استاد داور :
ارجمند مهرباني، ابراهيم شيراني
تاريخ ورود اطلاعات :
1396/02/17
رشته تحصيلي :
مهندسي شيمي
چكيده فارسي :
به فارسي و انگليسي: قابل رويت در نسخه ديجيتالي
چكيده انگليسي :
Abstract Stenosis in arteries of human is a common occurrence and for many years researchershave endeavored to model the flow of blood through stenosed arteries Arterial stenosissuch as Atherosclerosis is one of the most serious forms of arterial diseases whichhomodynamic factors play a very significant role in the formation and proliferation of it So this is an important field of study as arterial diseases are a chief cause of death Stenosisoccurs more often in curved artery such as left coronary artery LCA that has a mildcurvature In this study a 3 dimensional model of left coronary artery with 40 and 60 cross sectional area reductions stenosis is considered The main assumptions are laminar 3 dimensional geometry incompressible steady and pulsatile flow Blood is assumed to haveNewtonian and non Newtonian with Herschel Bulkley model behavior The governingequations continuity and momentum are non dimensionalized with respect to specificvariables The set of governing differential equations are integrated to yield of finitedifference equations and then solved together with procedure of the SIMPLE program Flow features such as velocity profile wall shear stress WSS distributions f Re inlength of artery and pressure drop in post stenotic region in specific non dimension timeand for all model are presented According to obtained results the wall shear stress in Newtonian model is more thanNon Newtonian model In stenosis section and pulsatile flow model this amount variesperiodically variations is very more strong1y that cause Endothelium cells is damaged Obtained results agree with previous work in simple cases Keywords Numerical simulation Newtonian and Non Newtonian Blood flow Stenosis Curved artery Herschel Bulkley
استاد راهنما :
غلامرضا اعتماد، شاپور رودپيما
استاد داور :
ارجمند مهرباني، ابراهيم شيراني
