پديد آورنده :
بني فاطمي، سينا
عنوان :
توليد نانوذرات اكسيد مس به روش افزون فلوتاسيون براي كاهش ضريب نيروي مقاوم
مقطع تحصيلي :
كارشناسي ارشد
گرايش تحصيلي :
فرآيندهاي جداسازي
محل تحصيل :
اصفهان: دانشگاه صنعتي اصفهان، دانشكده مهندسي شيمي
صفحه شمار :
دوازده، 55ص.: مصور
استاد راهنما :
محمد اميري
استاد مشاور :
عليرضا علافچيان
توصيفگر ها :
سنتز مس (II) اكسيد
استاد داور :
نسرين اعتصامي، مهران غياثي
تاريخ ورود اطلاعات :
1395/07/03
چكيده انگليسي :
55Production of effective drag reducer CuO nano particles by aphron flotation Seyyed Sina Banifatemi s banifatemi@ce iut ac ir June 2016 Department of Chemical Engineering Isfahan University of Technology Isfahan 84156 83111 IranDegree M Sc Language FarsiSupervisor Mohammad Amiri amir33@cc iut ac irAbstractAs it is known fluid resistance to motion or drag is a basic problem in various engineering issues thatdeals with moving fluid and causes energy loss In all cases drag also reduces equipment life anddecreases the speed Although to solve this problem various strategies have been suggested such as theuse of surfactant lubricants and nanoparticles it is still a challenging subject in fluid mechanicsfield Two main purposes of this project were firstly to investigate the possibility of producingnanoparticles by using the aphron generator and secondly producing copper oxide nanoparticles fordrag reduction To achieve these purposes aphron generation process has been studied bycharacterizing the Influence of the disk diameter and baffle position on the performance of generatedcolloidal gas aphrons The characterization results of aphron generation process have been described indetails The generated nanoparticles both characterized and their performance as a drag reducer wasalso studied The prepared copper oxide nanoparticles by this novel aphron flotation method have beenstudied by various analysis techniques HRTEM analysis showed that the average diameter size ofprepared nanoparticles were 15 to 30 nm The FT IR analysis shows that the surfactant moleculessurround copper oxide nanoparticles XRD analysis demonstrated that copper oxide particles have amonoclinic crystal structure The experimental results also shows that introducing nanoparticles into theoil fluid can reduce the viscosity of certain motor oil up to fifty percent and pin on disc tests also haveshown that the coefficient of friction and abrasion can be improved Keywords Copper oxide Nanoparticles Aphron flotation Drag reduction
استاد راهنما :
محمد اميري
استاد مشاور :
عليرضا علافچيان
استاد داور :
نسرين اعتصامي، مهران غياثي
