Makina Mühendisliği Bölümü Tez Koleksiyonu: Güncel gönderi
Toplam kayıt 179, listelenen: 161-179
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Ferromanyetik Yüzeylere Tırmanabilen Robot Tasarımı
(Fen Bilimleri Enstitüsü, 2013)Within this thesis, a robot is designed and prototyped which has the capability to climb ferromagnetic surfaces tetherless, can be controlled wirelessly and flexible enough to overcome the encountered obstacles in the range ... -
Uzay Uygulamalarında Kullanılan Kompozit Sargılı Basınçlı Bir Tankın Yapısal Tasarımı ve Analizi
(Fen Bilimleri Enstitüsü, 2014)In this thesis, structural design and analysis of a composite overwrapped pressure vessel (COPV) used in satellite propulsion system is presented. The aim is also design a composite tank lighter than all-metal fuel tanks ... -
Fatigue and Crack Propagation Analysis of a 11000 Shp Turboprop Engine Front Bearing Structure and Validation
(Fen Bilimleri Enstitüsü, 2015)All the components on a gas turbine should meet the requirements defined by the responsible associations. The front bearing structure which is assigned to be on the main load path of the engine has low cycle fatigue ... -
Malzeme Özellikleri Sıcaklığa Bağımlı Olan Izotropik Fonksiyonel Derecelendirilmiş Malzemelerde Bulunan Eğik Çatlakların Gerilme Şiddet Çarpanları Jk-İntegral Yöntemi ile Hesaplanması
(Fen Bilimleri Enstitüsü, 2012)The main aim of this study is to utilize a Jk-integral for the analysis of inclined cracks located in functionally graded materials (FGMs). The crack is subjected to mixed mode thermal loading. The generalized definition ... -
Design of a Slip Observer and Road Adhesion Coefficient Estimator for Road Vehicles
(Fen Bilimleri Enstitüsü, 2013)Control systems that help the driver avoid accidents, or limit the damage in case of an accident, have become ubiquitous in modern passenger cars. For example, new cars typically have an anti-lock braking system (ABS), ... -
Endüstriyel Çizgi Takip Eden Robot Cihazı Geliştirilmesi
(Fen Bilimleri Enstitüsü, 2013)Today, line-following robots are being used in the industrial field in accordance with the emerging technology. For a while, line-following robots have begun conducting the transport operations generally carried out by ... -
Enhancement of the Low Temperature Deformation Ability of Magnesium Alloys
(Fen Bilimleri Enstitüsü, 2012)In general, magnesium alloys exhibit the attractive combinations of low densities (1.74 g/cm3 versus 2.7 g/cm3 for Al) and high specific strength values (comparable or greater than that of precipitation strengthened ... -
Fonksiyonel Derecelendirilmiş Malzemeden (Fdm) Yapılmış Kabukların Farklı Sınır Koşulları Altındaki Dinamik Davranışlarının Sonlu Elemanlar Analizi Kullanarak Hesaplanması
(Fen Bilimleri Enstitüsü, 2015)Functionally graded materials (FGM) are multifunctional composite materials whose mechanical properties vary smoothly and continuously from one side to the other. Due this continuous change in composition of the constituent ... -
Yağ Asitleriyle İşlevselleştirilmiş Böhmit ve Alümina Parçacıkların Alkit Reçinelerin Çizilme Direnci Üzerine Etkisi
(Fen Bilimleri Enstitüsü, 2013)Demand on scratch resistant coatings in automotive, construction, food and other similar sectors is rising. The paints used in automotive industry can be scratched with small forces. This is a factor that decreases the ... -
Fonksiyonel Derecelendirilmiş Konik Kesitli Mikro Kirişlerin Serbest Titreşim Analizi
(Fen Bilimleri Enstitüsü, 2014)In this thesis a theoretical investigation in free vibration of a functionally graded tapered (FG) micro beam is presented. It is assumed that material properties vary along the beam thickness according to power law ... -
Esnek Uzaysal Mekanizmaların Tasarımı ve Sonlu Elemanlar Yöntemi ile Analizi
(Fen Bilimleri Enstitüsü, 2014)Compliant mechanisms have recently been come into prominence and have been used very often in practical applications owing to their various advantages. Nevertheless there are very few studies and data in the literature ... -
Akış Problemleri İçin Lattice Boltzmann Yöntemi ve Uygulamaları
(Fen Bilimleri Enstitüsü, 2015)Linear flow problems, which have straightforward analytical solutions, occupy aquite restricted and theoretical place in Fluid Mechanics. Majority of real-lifeproblems are usually non-linear and they contain complex boundary ... -
Gözenekli Niti Alaşımların Üretimi ve Karakterizasyonu
(Fen Bilimleri Enstitüsü, 2013)Ni50.6Ti49.4 specimens with %36, %55 and %60 porosity were produced by using space holder and conventional sintering method. Pure magnesium was used as a space holder and specimens were sintered at 1100C for 1 hour and ... -
Design, Fabrication and Characterization of Bio-Inspired Micro-Nano New Generation Polymer Fiber Array
(Fen Bilimleri Enstitüsü, 2013)Design, fabrication and characterization of micro-nano bioinspired fiber array is the main idea of this thesis.Even though adhesion of the two surfaces together powerfully and easily separation from the same surface without ... -
Piezoelektrik Tahrikli Doğrusal Hareket Mekanizma Tasarımı
(Fen Bilimleri Enstitüsü, 2015)This thesis aims to design a linear motor which can move at nanometer range. The linear motor that is made up of piezoelectrical materials works according to the principal of slip-stick. This thesis examines performance ... -
Hu-Go Hafif Aracının Şasisinin Sonlu Elemanlar Metodu ile Mukavemet ve Modal Analizi
(Fen Bilimleri Enstitüsü, 2012)Loads are occured on the vehicles by the road conditions, their velocities, the curve that they take etc. These loads cause to create stresses on the vehicle chassis. Because of these stresses some problems can occur on ... -
Tırmanan Robotlar İçin Fiber Modellemesi ve Karakterizasyonu
(Fen Bilimleri Enstitüsü, 2013)The neccesity to climbing robots is triggered by many problems. High risk involved works which are carried out by humans require high cost and risk of human’s life. For example building climbing stages and similar ... -
C67 Yay Çeliklerinin Deformasyon Karakteristiklerinin Yüksek Gerinimlere Kadar Belirlenmesi ve Sac Rulman Bileziği Şekillendirme Adımlarının Sonlu Elemanlar Yöntemi ile Analizi
(Fen Bilimleri Enstitüsü, 2015)Sheet steels used for special ball bearing rings have not only different chemical compositions than standard ball bearing steels but also have to be subjected to different manufacturing techniques in order to achieve ... -
Modelling of Thermal and Water Management in Automotive Polymer Electrolyte Membrane Fuel Cell Systems
(Fen Bilimleri Enstitüsü, 2014)Proton electrolyte membrane fuel cells (PEMFC) are promising power sources for automotive applications because of their high power density, low operation temperature (between 60℃ - 80℃), and lower environmental pollution. ...
