Yayın tarihi için M.S. Theses listeleme

Sırala: Sıra: Sonuçlar:

  • Deposition and characterization of metal doped diamond like carbon (Me(Ti, Nb)-DLC) films 
    Uğur, Deniz. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    In today’s world, sustainable development and green technology concepts are pronounced more than ever, which force tighter efficiency measures and implementation of energy saving solutions to every applicable system. Wear ...
  • The effects of process parameters on the cell morphology of the aluminum foam 
    Uçak, Tolga. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    Aluminum foams have gained a considerable amount of attention in recent years with their very low specific weight, relatively high compression strength among cellular materials combined with good energy absorption. In the ...
  • Aerodynamic analysis of a paraglider wing using domain decomposition techniques 
    Başol, Altuğ Melik. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    The flow around a curvature tube is investigated using it as a simple 2D model of a paraglider wing based on the similarity between their top views. The solutions are obtained for five different angle of attacks varying ...
  • Optimum preform and die shape design for improved hardness distribution in cold forged parts 
    Tümer, Haluk. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    To predict and then to control hardness distribution in a cold formed part is important, since it is a critical property due to its effects on the forgability of the part and its performance in use. In cold forming processes, ...
  • The effects of alloying elements on the microstructure and annealing behavior of the twin-roll cast AA1050 strip 
    Karakoyun, Fatih. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    There are two main routes of sheet aluminum production DC casting and hot rolling route and continuous casting and cold rolling route. DC casting and hot milling route is the conventional way of production, the process is ...
  • IDLE speed control of a diesel engine 
    Akyıldız, Bahadır. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    In this thesis, model based idle speed control of a diesel engine is studied. Since diesel engine models derived from first principles are very complicated, a mean-value diesel engine model which captures the dynamics of ...
  • Control of an obstacle avoider mobile robot using image processing 
    Kulgu, Turgay. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    This study investigates control of a mobile Lego robot moves towards to the specified target without hitting the obstacles with the help of image processing. An experimental set-up was designed and conducted for experiments. ...
  • The effects of solidification conditions on the formability of the twin-roll cast AA1050 strip 
    Atlı, Kadri Can. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    Twin-roll casting (TRC) is a continuous sheet metal casting process, which was developed as an alternative to the conventional “ingot casting and hot mill method” of sheet metal production. Unlike the latter method, TRC ...
  • Determination of the effect of viscoelasticity on the bond strength of a dental metal-ceramic system using finite element method 
    Ünlü, Utku Cemal. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    Porcelain-fused-to-metal (PFM) is a kind of restoration process used in pros- thetic dentistry, where a certain metal is cast as basement on which the dental ceramic is fused by firing. Due to the difference in the ...
  • Effects of thermal conditions on the mechanical properties of squeeze cast ZA-27 alloy 
    Morgül, Erol. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    Squeeze casting is a generic term to specify a fabrication when solidification is promoted under high-pressure within a re-usable die. It is a metal-forming process, which combines permanent mould casting with die forging ...
  • K-dominanat region in 2-D functionally graded materials under mixed mode loading 
    Altay, Gökce. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    The extent of K-dominant region around the crack tip of a functionally graded plate under mixed mode loading is investigated. A center cracked plate is used for the study. The stress intensity factors and T-stresses are ...
  • Combined longitudinal-torsional vibration of sandwiched piezoelectric ultrasonic transducers 
    Demir, Bülent Güven. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    In this thesis, combined longitudinal-torsional vibration of ultrasonic transducer using impedance matching method is studied. In combined vibration, two modes must resonate in the same frequency. Impedance matching method ...
  • Experimental and numerical investigation of tool-part interacions in composites manufacturing 
    Özsoy, Övül Özgü. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Composite parts may undergo some shape distortions due to the residual stresses generated during the cure cycle. This may cause difficulties in assembling composite structures. This experimental and numerical work is done ...
  • Coupled analysis of turbomachinery blades 
    Düz, Bülent. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Three-dimensional analysis of uid ow over turbomachinery blades and the deformation of the blades under aerodynamic loads are modeled and simulated using computational techniques. Decomposition into computational sub-domains ...
  • Effects of compatibilizer type and proceessing parameters on mechanical properties of polypropylene-clay nanocomposites prepared by melt mixing 
    İşlier, M. Bora. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    The effects of compatibilizer type and the processing conditions on polypropyleneclay nanocomposite preparation by melt extrusion were investigated. The objective of the study was to optimize the nanocomposite formulation ...
  • Modeling of micropipette aspiration of flaccid human red blood cell using finite elements 
    Akyıldız, Ali Çağdaş. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    This thesis aims to analyze the steady state deformation of flaccid red blood cell (RBC) in micropipette aspiration (MA) experiment using finite elements (FE). Three different geometries, namely infinite plane, disk and ...
  • Quasi-LPV modeling and control of twin rotor multiple input multiple output system 
    Baştürk, Halil İbrahim. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    The aim of this thesis is to design a Linear Parameter Varying (LPV) controller for Twin Rotor Multiple Input Multiple Output System (TRMS) which has highly nonlinear and cross coupled mathematical model, using Linear ...
  • Design of composite laminates for optimum frequency response 
    Kayıkçı, Rengin. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    In this study, natural frequency response of symmetric laminated composite plates was optimized. An analytical model accounting for bending-twisting effects was used to determine the laminate natural frequency. In this ...
  • Modeling of circular counterflow swissroll combustor for MEMS application 
    Özgül, Emre. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    A two-dimensional numerical model is generated for simulating combustion and heat transfer in "Spiral Swiss roll" combustors. In this research, the most important purpose is to investigate the micro-scale combustion and ...
  • Control and optimization of cure cycle for thick-sectioned thermoset composites manufacturing 
    Ünlühisarcıklı, Özer. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    The objective of this study was to minimize the temperature gradients encountered in thick-sectioned thermoset composites manufacturing. For this purpose, a finite difference analysis based on mathematical models representing ...

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