پديد آورنده :
حريمي، ايمان
عنوان :
شبيه سازي عددي جريان آرام حول استوانه ها در آرايش مربعي هم خط
مقطع تحصيلي :
كارشناسي ارشد
گرايش تحصيلي :
تبديل انرژي
محل تحصيل :
اصفهان: دانشگاه صنعتي اصفهان، دانشكده مكانيك
صفحه شمار :
ده،90ص.: مصور[بخش رنگي]،جدول،نمودار
يادداشت :
ص.ع.به فارسي و انگليسي
استاد راهنما :
محسن ثقفيان
توصيفگر ها :
روش برهم نهي شبكه ها , ضرايب درگ وليفت , انتقال حرارت جابجايي اجباري اعداد ناسلت واستروهال , فركانس ريزش ورتكس ها
تاريخ نمايه سازي :
3/5/90
استاد داور :
ابراهيم شيراني، احمدرضا عظيميان
چكيده فارسي :
به فارسي وانگليسي: قابل رويت در نسخه ديجيتالي
چكيده انگليسي :
$ H D 0 7 7 1 7 7 7 6 1 7 8 5 3 4 1 B 7 7 7 7 A @ 4 9 1 79 47 1 C 07 B 7 A A 7 $ 78 0 1 7 4 7 F G 7 7 5H 7 D E 7 @ 1 $ M 7 8 7 I JK 5 1 78 7 5 H 7 7 A 7 0 7 7 7 B 9 D 9 4 1 C F 7 8 7 0 @ K 7 @ N 9 9 B@ C 0 P Q 7 R 7 G$ 7 C O @ 1 7 CO U 1 78 P F 0 1 G 7 OP S T VO U$ V 4 Numerical Simulation of Laminar Flow Around the Cylinders in an In line Square Configuration Iman Harimi Email address I Harimi@me iut ac ir Date of Submission 30 April 2011 Department of mechanical engineering Isfahan University of Technology Isfahan 84156 83111 IranDegree M sc Language FarsiSupervisor Mohsen Saghafian Saghafian@cc iut ac irAbstractThe numerical simulation of fluid flow around the cylinders in in line square configuration is done by using theoverset grids method In addition the heat transfer between the cylinders and fluid is investigated In this study the overset grids method is used which is a powerful technique for simulating the complex geometry problemsand modeling the fluid flow around moving bodies This method prepares the better resolution of geometricdetails The effects of specific parameters including the spacing ratio and the mean Nusselt and strouhal numberson flow pattern and the rate of heat transfer are investigated Also the critical spacing ratio which flow patterntransition occurs is specified The distance between the cylinders is denoted by the dimensionless parameter spacing ratio L D which D is the cylinder diameter The flow regime is laminar and the fluid is incompressible The Reynolds number is 100 and 200 and the Prandtl number is 0 7 and 7 The obtained results show that theflow structure is strictly affected by the spacing ratio The spacing ratio of L D 3 5 is considered as criticalspacing ratio By comparison of vorticity and isotherm contours it is observed that the isotherm contours followthe flow structure In addition the analysis of the Nusselt numbers at different spacing ratio reveals that the heat
استاد راهنما :
محسن ثقفيان
استاد داور :
ابراهيم شيراني، احمدرضا عظيميان
