Makina Mühendisliği: Recent submissions

  • 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 ...
  • 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 ...
  • Aydın, Özkan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    The main objective of this research is the computational modeling and analysis of aerodynamic-coupling effects of multiple bodies in motion in a fluid using domain decomposition techniques. Simulation of such a flow field ...
  • Erdeniz, Dinç. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    IN738LC is a polycrystalline, nickel-based superalloy, which is widely utilized in a variety of applications such as jet engines and land-base gas turbines. This material provides high performance at temperatures above ...
  • 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 ...
  • 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 ...
  • Adli, Ali Reza Rezaei. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    This thesis is concerned with the numerical analysis of laminar unsteady flow and heat transfer in lid-driven arc-shape cavities with different aspect ratios for which the top lid, maintained at lower temperature, is driven ...
  • 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 ...
  • Tanlak, Niyazi. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Mechanical components are commonly fastened together through bolts. Many times, they are subjected to impact loads in use. The behavior of the joints under these conditions should be known in a design process. The objective ...
  • 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 ...
  • 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. ...
  • 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 ...
  • Topaloğlu, Vasil. (Thesis (M.S.)- Robert College. Faculty of Graduate School of Engineering, 1965., 1965.)
  • 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, ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...

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