Browsing Makina Mühendisliği by Title

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  • Production of antibacterial hydroxyapatite 
    İpekoğlu, Mehmet. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Hydroxyapatite was produced by rapid microwave synthesis method. Effects of microwave power and duration were examined on the powder morphology of the hydroxyapatite powder during the synthesis process and microwave aging ...
  • Production of ultra high molecular weight poly-ethylene / butyl rubber fibers via electrospinning 
    Öztan, Yahya Çağrı. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    This research covers the electrospinning of Ultra High Molecular Weight Polyethylene (UHMWPE) mixed with Butyl Rubber polymers. The optimum process parameters to electrospin the blend of these polymers in certain ratios ...
  • Providing active haptic feedback in two dimensions on a touch screen 
    Alma, Uğur Alican. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    In this thesis, a two dimensional active electrostatic tactile display, which is capable of applying directional forces in two dimensions to a stationary nger, is analyzed. Directional forces are created using friction ...
  • Providing contact sensory feedback for upper limb robotic prosthesis 
    Aziziaghdam, Mohammad. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    Lack of the sense of touch is the fundamental problem of today's robotic prostheses. Considering the fact that touch feedback plays a signi cant role in identifying contacted objects, our aim in this study is to use ...
  • Quantitative assessment of wrist rigidity in Parkinson's disease by using built-in sensors of a smartphone 
    Dinçer, Uğur. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Rigidity is one of the motor symptoms of Parkinson’s Disease (PD) which is described as an increased muscle tone that occurs throughout the entire range of mo tion of a limb. Clinical assessment of rigidity is highly ...
  • Quantitative non-destructive characterization of defects in electronic packages using fuzzy inference based thermal tomography 
    Muratoğlu, Çağdaş. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    Thermal challenges have been a roadblock for electronic packaging with the in creasing number of transistors and smaller package sizes. Thermal interface material (TIM) layers play a key role in heat dissipation at all ...
  • Quasi-LPV modeling and control of twin rotor multiple input multiple output system 
    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 ...
  • Reduction of large kinetic mechanism of N-heptane using directed relation graph and computational singular pertubation methods 
    Ulutürk, Oğuz. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    Increasing demand on energy makes scientists and engineers enthusiastic to nd new and e cient ways while designing new engines. For this purpose, a tremendous e ort is paid on fossil fuels which have an important role in ...
  • Resource-aware cooperative delivery mission planning for UAV and AGV 
    Zabun, Ali Naci. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    In this study, a problem related to cooperative delivery mission planning of an unmanned aerial vehicle (UAV) and an autonomous ground vehicle (AGV) is con sidered. The problem is a new sub- variant of the Traveling Salesman ...
  • Response of an elastic half-space due to a finite sized line source 
    Misoğlu, H. Tuğrul. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1985., 1985.)
    In this thesis, the transient response of an isotropic, homogenous and elastic half-space due to a buried finite sized line source was analyzed. The receiver was always taken on the surface. The solutions corresponding ...
  • Response of an elastic half-space to finite sized sources 
    Başakar, Abdülkadir. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1982., 1982.)
    Analysis of the transient response of an isotropic, homogeneous and elastic half-space due to the application of a point, a finite line, and areal sources are presented in this thesis. The source is either buried or on the ...
  • Robust feedforward control design for lateral vehicle dynamics 
    Tanıker, Semih. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    In this thesis, robust feedforward controller is designed for active steering which is an alternative vehicle dynamic control method to active braking control. The aim of this study is to increase performance and robustness ...
  • Robust strain measurement on deformation-roughened microscopic surfaces with fluorescent marker imaging 
    Raeissi, Mona. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    Digital image correlation (DIC) implemented at microstructural length-scales of materials with microscopic imaging has emerged as an important tool to investigate the fundamental mechanisms of deformation. An important ...
  • 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 ...

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