Browsing Makina Mühendisliği by Issue Date

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  • Calculation of solid particle erosion in a multistage turbine 
    Erten, Mustafa. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1983., 1983.)
    This thesis presents a computer package developed to calculate the blade erosion rates in multistage turbines that use particle-laden hot expansion gases. This package is an extension of the single-stage erosion code ...
  • Fracture characterization of gray cast iron 
    Kurdaş, Osman. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1983., 1983.)
    The aim of this study is to investigate various fracture properties of gray cast iron and thus to gain an insight of it's behaviour and reliability under conditions where there is a risk of brittle fracture or fatigue ...
  • Incubation time in the stress corrosion cracking of a low carbon steel, a fracture mechanics approach using the J integral parameter 
    Koru, Adnan S. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1983., 1983.)
    The inoubation period assooiated with the advanoe of a stress oorrosion crack in a low carbon steel exposed to sulphuric acid is investigated. Fatigue pre-cracked Cantilever Beam Specimens are tested in accordance with ...
  • Primary and secondary dendrite arm spacing in unidirectionally solidified Al-2%Cu 
    Gürer, S. Müge. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1983., 1983.)
    In this study unidirectionally controlled solidification of AI-2%Cu alloy and the resulting dendritic morphology is investigated. First general information is given on given on solidificatior, then dendritic growth is ...
  • Fatigue crack initiation in 2024-T3 aluminium alloy 
    Sarımustafa, Ali. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1983., 1983.)
    In this thesis "Fatigue-crack initiation in 2024-T3 aluminium alloy was investigated using experimental methods with compact tension specimens having various notch root radius. The root radii are varied from 0.04 to 2.5 ...
  • Three-dimensional solution of compressible potential flow in turbomachinery by a finite element method 
    Güneş, Doğan. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1983., 1983.)
    The present study is concerned with the analysis of three-dimensional, compressible flows in axial-, radial-, or mixed-flow turbomachinery under the limitations of steady and potential flow conditions. The basic approach ...
  • Calculation of stress intensity factor in an orthotropic strip and plate using stress fields of edge dislocations 
    Gürer, Timuçin. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1983., 1983.)
    In this study the general elastostatic problem for an orthotropic strip containing cracks perpendicular to its boundaries is considered. Appropriate superposition of stress field solutions of edge dislocations together ...
  • Transient responses of a thick-walled layered spherical shell by the ray theory 
    Derebeyoğlu, Sencan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1983., 1983.)
    In this work, the transient response of a thick-walled layered spherical shell subjected to radially symmetric loadings is studied using the ray theory. Normal mode solution in the Fourier transform space is expanded into ...
  • Numerical analysis of film cooling 
    Taştekin, Ömer. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1983., 1983.)
    A numurical model is developed to investigate film cooling in compressible laminar boundary layer flows. This model is applied to the first stagi stator blade of a transonic gas turbine. As a prelude study, film cooling ...
  • Scattering of acoustic waves by cylinders with arbitrary cross sections t-matrix formulation 
    Güngör, Bora. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1984., 1984.)
    In this work, the scattering of steady-state acoustic waves from arbitrarily shaped obstacles in an infinite medium is studied using the T-matrix method. The problem is examined for the two dimensional case where the ...
  • A study on a thermal power plant modelling and control 
    Tanık, Mustafa. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1984., 1984.)
    In this study, a deterministic mathematical model of Anbarlı. Thermal Power Plant is developed from physcal laws. Resultant model is used to design the steady state regulator for 100.5 MW load level using linear optimal ...
  • Numerical analysis of two dimensional incompressible laminar and turbulent boundary layers 
    Agaik, Şahnur. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1984., 1984.)
    The present study deals with the numerical solution of steady, two dimensional, incompressible, laminar and turbulent boundary layers. Existing numerical methods have been reviewed and a solution method is constructed which ...
  • Boundary integral element analysis of steady-state heat conduction problems 
    Tunalı, Cemal. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1984., 1984.)
    In this study, the boundary integral element method is used for analysis of steady-state heat conduction problems. The method is general for two-dimensional regions with arbitrary boundary shapes. The development is ...
  • Structural modification of unidirectionally solidified aluminum-silicon eutectic alloys by antimony treatment 
    Telli, Ahmet İhsan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1984., 1984.)
    In this study, the structural modification of the unidirectionally solidified aluminum-silicon eutectic alloys with antimony treatment was investigated. First, a general understanding of eutectic solidification was given ...
  • A study of manipulator dynamics and control 
    Akmehmet, Asaf. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1984., 1984.)
    In this work, the dynamics and control of a manipulator arm are investigated. Two different forms of the dynamic model of an n degree of freedom manipulator are studied and general computer oriented algorithms are developed ...
  • Solar brine evaporation process 
    Kora, A. Halûk. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1984., 1984.)
    The use of "Solar Brine Evaporators" in the production of natural sodium sulfate has been investigated. Three types of evaporators were used; "open" , "closed" and "closed with suction". Evaporation efficiencies for all ...
  • Effects of low-frequency vibration on mechanical properties and microstructure of aluminium eutectics 
    Baybalı, Süheyl. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1984., 1984.)
    In this study, the effects of low-frequency vibration on mechanical properties and microstructure of aluminium eutectics, Al-% 33 Cu, Al-% 12.6 Si, Al-% 5.7 Ni, were investigated. A brief rewiev of the eutectic solidifying ...
  • The forced vibrational response of an elastic rectangular parallelepiped 
    Alp, Ali. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1984., 1984.)
    This work presents the analysis of the forced vibrational response of an elastic rectangular parallelepiped. Normal mode solutions were obtained for the following boundary conditions: 1. Six rigid-lubricated faces, 2. ...
  • Computer models for estimating the performance of a given axial-flow gas turbine stage and for optimizing the efficiency 
    Kadıpaşaoğlu, A. Kamuran. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1984., 1984.)
    The present thesis involves the study of the aerodynamic performance of an axial-flow gas turbine stage. Existing studies have been reviewed and based on the most developed perfomance evaluation and efficiency optimization ...
  • The solution of nonhomogeneous state of stress strain and swelling problem in amorphous polymer networks 
    Kahramanoğlu, Cengiz Ömer. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1984., 1984.)
    The total free energy a swollen and deformed amorphous cross-linked polymer network is given as ... where .. is the free energy of mixing of polymer and solvent; ... indicates the first part of elastic energy by representing ...

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