Makina Mühendisliği: Recent submissions

  • Mechanical properties of non-crimp fabric (NCF) fiberglass reinforced composite materials manufactured by using vacuum infusion process 
    Çalışkan, Serkan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Non-crimp fabric (NCF) fiber reinforced composite materials that are composed of textile preforms consisting of multiaxial layers of straight fiber bundles with different orientations stitched together by knitting yarns, ...
  • Transformation induced crack closure and fatigue life analysis of shape memory alloys using finite elements 
    Altan, Nadir Can. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Fatigue crack propagation behavior of shape memory alloys is investigated using finite elements. Fatigue crack growth rate is numerically determined in terms of effective stress intensity factor range and maximum stress ...
  • Design improvement for rear axle cover 
    Bank, Özgür. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    In this thesis, leakages on the rear axle covers used in Ford vehicles are investigated. Main reasons of leakage are discussed and problem is solved by improving rear axle cover design and by improving cover bolt performance. ...
  • Assessment of the nitriding process paramaters to improve the wear resistance of selected steels 
    Yaman, Onur. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Liquid nitriding is one of the most popular heat treatment methods due to its application temperature which is generally in the ferritic region. This results in a good dimensional control after nitriding. Still, it is ...
  • The tensile and compressive properties of four experimental magnesium alloys assessed for light duty truck oil pans 
    Tanzer, Mehmet Barış. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Light weight design has a great importance in the development process of new automobiles. In recent years, the oil prices have increased and the exhaust gases of ignition engines have become a bigger concern for global ...
  • Two phase pipe flows in fuel tank refueling 
    Boyacı, Deniz. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Automotive fuel tank refueling is modelled with FLUENT software which is a commercial CFD solver in fluid mechanics. Fuel tank components are modeled geometrically such as the fill pipe, vent pipe and tank dome. Additionally, ...
  • Application of radial basis functions method to advection-diffusion and viscoelastic flow problems 
    Tunçay, Yusuf. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    The objective of the thesis is to demonstrate an application of radial basis functions method to linear and nonlinear advection-diffusion and viscoelastic flow problems. As far as the radial basis functions method is ...
  • 2-D mathematical modelling of hydrogen storage in metal hydrides 
    Küçük, Gülşad. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    In this study a numerical model which simulates heat and mass transfer processes of hydrogen absorption in LaNi5 is studied. Energy balance method is used for discretizing the heat equation. Transient heat conduction with ...
  • Mechanical properties of boron nitride nanotube / epoxy polymer composites 
    Kurtuldu, Güven. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Boron nitride nanotubes (BNNTs) have attracted significant interest of the scientific world due to their remarkable mechanical and thermal properties. They have high modulus and high strength similar to carbon nanotubes. ...
  • Mechanical engineering fluid mechanics and hydraulics experimentation and laboratory design for Robert College 
    Erataman, Türkay. (Thesis (M.S.) - Robert College. Faculty of Graduate School of Engineering, 1965., 1965.)
  • Stress analysis of a solid propellant rocket motor 
    Yıldırım, Halid Can. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    The aim of this study is to perform structural analysis of a solid propellant rocket motor using the finite element method and to determine the effects of aging on the analysis results. Thermal and pressure loadings occurring ...
  • Optimization of forging processes with a concurrent approach 
    Öztürk, Murat. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    With the increasing complexity of manufacturing processes and the interrelations between the different phases, the possibility of a phase being affected by a preselected design variable is very high. In that case, the ...
  • Cure kinetics modelling and cure shrinkage behaviour of AS4/8552 
    Tuğutlu, Mehmet. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    In this work, the reaction kinetics and through-the-thickness cure shrinkage upon curing of an AS4/8552 epoxy resin system have been studied. The study included two major works. Firstly, dynamic and isothermal experiments ...
  • 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 ...
  • Experimental and numerical study of the effect of design and processing parameters on spring-in in composite parts 
    Çınar, Kenan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Residual stresses appearing during cure of thermoset composite laminates lead to distortions such as spring-in. The dimensional changes in the produced parts cause the parts not to mate closely with the other parts in the ...
  • Modeling of rectangular counter flow heat-recirculating combustor 
    Saracoğlu, Bayındır Hüseyin. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    The meso-scale, 3.5 turn Swiss-roll type counter flow heat recirculating combustor is modeled by a two dimensional finite-volume computational fluid dynamics (CFD) solver. The solver includes momentum, continuity, energy ...
  • Wind power :|the utilization of wind rotors for the generation of power in underdeveloped areas 
    İnelmen, Erol, 1940- (Thesis (M.S.) - Robert College. Faculty of Graduate School of Engineering, 1965., 1965.)
  • 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 ...
  • 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 ...