Browsing Makina Mühendisliği by Title

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  • 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 ...
  • Scattering of SH-waves by circular and elliptical cylinders-A solution by the hilbert-schmidt method 
    Tulgar, Hasan. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1981., 1981.)
    Near- and far-field solutions are presented for the scattering of SH-waves by a circular cavity and a rigid inclusion in infinite space while only far-field results are given for an elliptical geometry. Integral equations ...
  • Scattering of SH-waves by cylinders of arbitrary cross-section-solution by the boundary integral equation method 
    Özgüç, Nabi. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1981., 1981.)
    The scattering of steady-state anti-plane shear waves (SH waves) from arbitrarily shaped inclusions in an infinite medium is described by means of integral equations expressed in terms of displacement fields. The problem ...
  • Segregation and interface stability in germanium-silicon single crystal alloys 
    Dario, Aidin. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    Melt growth allows large-scale production of semiconductor crystals. However, growth of Ge-Si single crystals from melt is extremely sensitive to experimental parameters. Obtaining accurate thermal data near the solid/liquid ...
  • Shape and topology optimization of intertial amplification induced phononic band GAP structures 
    Yüksel, Osman. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    Inertial amplification is a novel phononic band gap generation method in which wide vibration stop bands can be obtained at low frequency regions. The engineering importance for this novelty comes from the fact that the ...
  • Shape optimization of bumper beam under low-velocity impact 
    Dadashzadeh, Sina. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Bumper beam is an important part of vehicles providing protection from colli sions. Its main function is to prevent damage to the rest of the vehicle in low-speed collisions. For this reason, it should absorb the energy ...
  • Shape optimization of notched mechanical members to reduce stress concentration 
    Çilek, Ufuk. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    Intensive competition in the market place today requires engineers to continuallysearch for better and more economic designs. Current interest especially in structural shapeoptimization is largely motivated by demands for ...
  • Shape optimization of notched parts for maximum fatigue life 
    Erkol, Volkan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    The objective of the thesis study is to develop a shape optimization procedure to maximize fatigue life of notched components under in-phase or out-of-phase multiaxial loading conditions. Two critical-plane fatigue assessment ...
  • Shape optimization of thin-walled tubes under high-velocity axial and transverse impact loadings 
    Tanlak, Niyazi. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    Thin-walled tubes are one of the most commonly used parts in structural ap- plications. More specifically, they are used as passive safety measures in vehicles like bumper-beams and crash-boxes. They take loads either ...
  • Shape-memory effect in a Cu-Al-Ni alloy 
    Selimbeyoğlu, Erol. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1986., 1986.)
    In this study, the microstructure and mechanical property relationship of Cu-13.98Al-2.94Ni (wt.pct.) alloy that exhibits shape-memory effect is investigated. A brief review of thermoelasticity, pseudoelasticity, and memory ...
  • Side-slip estimation for ESP applications 
    Şahin, Can. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    ESP (Electronic Stability Programme) applications require reliable data about vehicle state in order to operate correctly. One of these data is the vehicle side-slip angle. In this study, a nominal and a robust side-slip ...
  • Single and two phase continuum modeling for laminar forced convection of nanofluids 
    Göktepe, Sinan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Macroscopic modeling of nanofluids is necessary for design and analysis of equipment that rely on nanofluids. For the moment, there is no study that covers recent state-of-the-art nanofluid models, and compares their ...
  • Single crystal growth of Ni-base superalloys by the conventional vertical bridgman and novel submerged baffle methods 
    Bacak, Mert. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    The purpose of this study is to develop a know-how on the growth of single crystal superalloys and investigate the e ect of solidi cation rate and solidi cation technique on microstructural features of CMSX-4. Primary ...
  • 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 ...
  • Some studies on the propagation of waves in a viscoelastic medium 
    Çolpan, Oya. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1986., 1986.)
    In this study, the general theory of viscoelastic surface waves, the effects of initial stress on the reflection and refraction of plane waves, plane Lamb's problem ina viscoelastic medium under the influence of gravity ...
  • Spectral tuning of window glasses for improving energy efficiency of buildings 
    Haratoka, Çağatay. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2021., 2021.)
    There are significant efforts for improving energy efficiency of residential and of fice building for reducing total energy consumption and emission of greenhouse gases. Smart windows are one potential technology that can ...
  • 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 ...
  • Stability of the non-isothermal taylor-couette flow of a ferrofluid under external magnetic field 
    Kamış, Yavuz Emre. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    A stability analysis is conducted for the non-isothermal Taylor-Couette flow of a non-conductive ferrofluid under the action of an azimuthal magnetic field. The tran sition from steady flow to Taylor vortex flow is investigated ...
  • State-feedback control of a rigid rotors supported on squeeze-film bearings 
    Akgül, H. Basri. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1988., 1988.)
    In this thesis, pole assignment problem, one of the most commonly used control schemes, is considered and special emphasis is given on the application of available pole assingment algorithms in multi-input systems. Various ...
  • Strain energy based fatigue model for notched part subjected to multiaxial loading 
    Karadeniz, Cumali Özgür. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    In this study, a new fatigue assessment model is developed for high cycle fatigue of metals under multiaxial proportional loading. The proposed model uses readily available material properties and contains no parameters ...

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