Fen Bilimleri Enstitüsü: Recent submissions

  • Hydroxyapatite coating on Ti and Ti6A14V substrates by using electrophoretic deposition method 
    Albayrak, Önder. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Electrophoretic deposition method was used to coat hydroxyapatite (HA) on titanium (Ti) and its alloy (Ti6Al4V). Main focus was elimination or decreasing the crack occurrence and increasing adhesion strength. For this ...
  • Prediction of dynamic force characteristics od radial tires using finite element and experimental techniques 
    Alkan, Veysel. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    A tire is one of the most important components of a vehicle. To predict its dynamic force characteristics, a detailed finite element model is constructed. In the finite element analysis of the tire, nonlinear stress-strain ...
  • Finite-element analysis of radiative transport in gray participating media 
    Kalenderoğlu, Vahan. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1980., 1980.)
    A finite-element solution scheme for radiative transport problems in gray participating media is devised, and its validity is substantiated through application to representative problems involving plane-parallel geometry ...
  • Investigation of extrudability of different aluminum alloys by using the method of hot extrusion 
    Çıtak, Hasan Cem. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    Aluminum extrusion is a very important forming process in metal industries. Byusing different dies and technologies, high variety of products can be produced byusing the method extrusion. Extrudability is an important ...
  • Microstructure and mechanical properties of friction welded cast and forged steel bars 
    Sunay, Yusuf Tolga. (Thesis (M.S)-Bogazici University.Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    Friction welding has been represented as a technological solid-state joining processwidely used for dissimilar material combinations with high joint strength, short mass production time and low energy characteristics. This ...
  • Parallel and unstructured computation of 2-D and 3-D vortex flows 
    Dayı, Oğuz. (Thesis (M.S)-Bogazici University.Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    Vortex flows are main flows which lead to turbulence phenomenon. Turbulence isa complicated and many-faceted problem of fluid dynamics. These flows have striking and varied spatial organizations. Nearly every flow that can ...
  • Effects of calcination and particle size on the sintering of natural hydroxyapatite 
    İpekoğlu, Mehmet. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2004., 2004.)
    The aim of this thesis was to investigate the best suitable method for the production of hydroxyapatite from fresh bone and to determine the effects of reducing the particle size of the hydroxyapatite powder on the ...
  • Fatigue behavior of spot welds 
    Ertaş, Ahmet Hanifi. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2004., 2004.)
    The resistance spot welding process is widely used in industry, especially in automotive industry. This type of joining method is used widely because of its simplicity, cheapness and of course reliability which are significant ...
  • Manufacturing of rigid porous filters 
    Mahmutyazıcıoğlu, Nazım. (Thesis (M.S.) - Bogazici University. Institue for Graduate Studies in Science and Engineering, 2002., 2002.)
    Filtration is a basic operation frequently used in ceramic industries. Ceramic articles can be shaped using appropriate molds with or without pressure application. In this study, plastic molds with filter properties, high ...
  • Production of a sample automotive part by integration of rapid prototyping and a precision casting process 
    Açar, Özgür. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2001., 2001.)
    The goal in the manufacturing arena is to present new products from concept to market quickly and inexpensively. Introducing new products at ever increasing rates is very critical for remaining succesful in a competitive ...
  • Autotunning and robustness of multi-loop pid-controlled mulltivariable processes 
    Deva, Ergin Levent. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 2000., 2000.)
    In this study, decentralized PID controllers which are commonly used in process industry are applied to multi-input multi-output systems. A short literature survey is done and basic characteristics of these systems with ...
  • Analysis of mode III interlaminar fracture toughness of composite materials 
    Gökçen, M. Gökhan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1999., 1999.)
    The demand for advanced materials stimulates the research on composites, which provide high stiffness and high toughness. One failure type is delamination or interlaminar fracture, which is analyzed in three modes employing ...
  • Numerical study on airfoils in steady and oscillating streams 
    Özalp, Mehmet Rifat. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1999., 1999.)
    In this study, a numerical method has been developed in order to simulate steady and unsteady flow fields around airfoils. The unsteady flow field around the airfoil has been obtained by imposing periodically oscillating ...
  • Mechanical engineering experimentation and laboratory design for Robert College 
    Yeyinmen, Mehmet. (Thesis (M.S.)- Robert College. Institute for Graduate Studies in Science and Engineering, 1964., 1964.)
  • Numerical simulation of two phase flow using the homogeneous flow model 
    Dal, Murat. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1999., 1999.)
    The objective of this study is to understand physical and numerical modelling aspects of two phase flow occurring in heat exchangers used in domestic refrigerators, and construct a computer model to simulate one dimensional ...
  • Vibration transmission through rolling element bearings 
    Oğuz, Serap. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1995., 1995.)
    Current bearing models, based on either ideal boundary condition or purely translational stiffness element description, may be used to analyze the free and forced vibration of the rotor dynamic systems enclosed in a rigid ...
  • A finite element analysis for flow in porous media 
    Atalık, Salim Kunt. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1993., 1993.)
    A finite element analysis for porous media is aimed. In the thesis, it is accepted that groundwater flow occurs only in the saturated region of a porous soil. The problem is formulated based on Darcy's law governing ...
  • An experimental investigation of adaptive servo control of a single axis table 
    Özel, F. İlkin. (Thesis (M.S)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1992., 1992.)
    The object of this thesis is to model a dc motor driven single axis table system and to perform adaptive velocity and position control of the table. After modeling the system, in the first part of the thesis, fixed parameter ...
  • An investigation of the crack propagation model corpus 
    Sönmez, Fazıl Önder. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Sciences and Engineering, 1991., 1991.)
    Models that predict fatigue crack growth are described, classified and compared with respect to applicability and limitations. Crack opening models were found to be more reliable and better adapted to include interaction ...
  • Spray painting manipulator modelling, simulation and control 
    Gürocak, B. Hakan. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1989., 1989.)
    In this study, a computer simulation program package for a six revolute joint spray painting robot having pitch-yaw-roll type wrist configuration has been developed.For this purpose, direct kinematics and inverse kinematics ...

Search Digital Archive


Browse

My Account