پديد آورنده :
حسيني پناه، سعيده سادات
عنوان :
تحليل عددي قطرات شكل‌پذير معلق در يك كانال شيب‌دار در اعداد رينولدز محدود در سه بعد
مقطع تحصيلي :
كارشناسي ارشد
گرايش تحصيلي :
تبديل انرژي
محل تحصيل :
اصفهان : دانشگاه صنعتي اصفهان
صفحه شمار :
سيزده، 59ص. : مصور (رنگي)، جدول، نمودار
استاد راهنما :
سعيد مرتضوي
استاد مشاور :
احمدرضا پيشه ور
توصيفگر ها :
عدد رينولدز , نسبت چسبندگي , عدد باند , زاويه سطح , مكان تعادل , سرعت لغزشي
استاد داور :
محمدرضا سليم پور، محمدرضا توكلي
تاريخ ورود اطلاعات :
1398/06/27
رشته تحصيلي :
مهندسي مكانيك
تاريخ ويرايش اطلاعات :
1398/06/27
چكيده انگليسي :
61 Three Dimensional Numerical Simulation of the Deformation of Drops Suspended on an Inclined Surface at Finite Reynolds Numbers Saeideh Sadat Hosseini Panah Date of Submission 2219 27 2 Department of Mechanical Engineering IsfahanUniversity of Technology Isfahan 84156 83111 Iran Degree M Sc Language FarsiSupervisor Saeed MortazaviAbstractThe flow of three dimensional drops suspended in an inclined channel is studied by numerical simulationsat non zero Reynolds numbers The flow is driven by the acceleration due to gravity and there is nopressure gradient in the flow direction The equilibrium position of a drop is studied as a function of theReynolds number the Bond number the inclination angle and the viscosity ratio More deformable dropsreach a steady state equilibrium position that is farther away from the channel floor The equilibriumposition moves away from the channel floor as the Reynolds number is raised The slip velocity increases asthe Reynolds number is raised The same trend is observed when the inclination angle with respect tohorizontal direction increases The equilibrium position moves toward the channel floor as the viscosityratio is raised Simulations of nine drops in a channel show that is an inverse relationship betweenfluctuation energy and distribution of drops The effect of the Reynolds number the Bond number theviscosity ratio and the inclination angle on the distribution of drops and the fluctuation energy across thechannel are investigated It is found that drops tend to stay away from the channel floor when theinclination angle with respect to horizontal direction increases Drops that are more deformable will furtherstay away from the channel floor The fluctuation energy across the channel increases as the Bond numberis raised Simulations at large viscosity ratios show that drops behave like rigid particles Keywords Reynolds number Bond number Viscosity ratio inclination angle Equilibrium position Fluctuation energy Slip velocity Density drop distribution
استاد راهنما :
سعيد مرتضوي
استاد مشاور :
احمدرضا پيشه ور
استاد داور :
محمدرضا سليم پور، محمدرضا توكلي
