Yayın tarihi için M.S. Theses listeleme

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  • Correlation and optimisation of thermodynamic model parameters with experimental data to predict emissions from a diesel engine 
    Barış, Onur. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    The biggest challenge in engine development is emission regulation today, which gets more stringent with time. Computer aided engineering (CAE) has also increasing importance together with increasing potential of processors ...
  • Measurement of near-field radiative heat transfer between plane parallel plates at nano-scale gaps 
    Webb, Kurt David. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    This thesis establishes a methodology and experimental setup for measuring radiative heat transfer between nano-spaced plane-parallel plates. It uses a setup with two plane-parallel substrates, one heated, one cooled, at ...
  • Numerical investigation of polymer additive effects on the flow around immersed bodies 
    Çetin, Onur. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Although it is a well-known fact that dilute solutions obtained by adding a small amount of polymer or surfactant to Newtonian fluids lead to a reduction in friction factor and drag coefficient at high Reynolds number ...
  • Morphological evaluation of 1-site polycrystalline models 
    Şengör, Mustafa. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Mesoscale models consider grain level interactions. Unlike continuum models, they account for the discontinuities stemming from the elastic anisotropy of the crystallites in addition to the directional nature of the ...
  • Boundary control of transient temperature in internal pipe flow heat transfer by POD-Galerkin ROM 
    Eren, Erdem. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    The aim of this thesis is to investigate the model reduction and modern control methods used in study of fluid stability and control. Some of the modern methods of reduced order modeling and control are applied to a ...
  • Evaluation of fracture parameters of NiTi shape memory alloy using digital image correlation 
    Shafaghi, Nima. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    In this work, Digital Image Correlation (DIC) is used to investigate the e ect of martensitic phase transformation on fracture behavior of NiTi shape memory alloy. To nd out the e ect of phase transformation from austenite ...
  • In situ image correlation measurement of grain-level deformation fields in twinning magnesium 
    Telemez, M. Ayça. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    In this study, in situ digital image correlation (DIC) has been utilized for full-field strain measurements in a hexagonal close-packed (HCP) AZ31 magnesium alloy at both macroscopic and microscopic (crystallite) length ...
  • Concurrent design and process optimization in forging 
    Kocaoğlan, Sinem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Design parameters not only affect the performance of a product, but also affect the feasibility, effectiveness and efficiency of manufacturing. Processing parameters, in turn, affect the performance of the part. For this ...
  • 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 ...
  • Hydroxyapatite coating on 316L stainless steel by DIP coating method 
    Dedeoğlu, Sezen. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Hydroxyapatite (HA) coating on 316L Stainless steel with different amounts of polyvinyl alcohol (PVA) additive and different sintering temperatures were fabricated by using dip coating method. Hydroxyapatite was inosculated ...
  • Calculation of stress intensity factor for an edge cracked shape memory alloy plate 
    Alkan, Sertan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    In this thesis, the e ect of martensitic transformation on stress intensity factor in an edge cracked shape memory plate loaded under Mode I conditions is studied. J contour integral is evaluated by an explicit technique ...
  • 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 ...
  • Experimental investigation of the effect of phase transformation on francture parameters of NiTi shape memory alloy 
    Haghgouyan, Behrouz. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    This thesis aims to investigate the effect of martensitic phase transformation on fracture parameters of Nickel-Titanium (NiTi) SMA. NiTi specimens were characterized using optical microscopy and uniaxial tensile testing. ...
  • Modeling cracks in nonlinear viscoelastic media subjected to thermal loading 
    İyidiker, Çağrı. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    This thesis study deals with the crack initiation and propagation analyses in nitely deforming viscoelastic media. The main goal of the study is to obtain a methodology for crack propagation analyses in bulk material and ...
  • Failure behavior of undulated sandwich plates under out-of-plane loading 
    Uzal, Anıl. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    The goal of this thesis study is to understand the failure behavior of an undulated sandwich structure with a particular core design under out-of-plane loading conditions. For this purpose, three-point bending tests are ...
  • Failure behavior of laminated composites under anticlastic bending 
    Alpay, Yakup Okan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    In this study, failure behavior of laminated composite plates subjected to anti-clastic bending is investigated. Anticlastic bending is a special case of bi-axial out-of-plane loading that applies predominantly twisting ...
  • Process modelling for distortions in manufacturing fiber reinforced composite materials 
    Çınar, Kenan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    A fibre reinforced composite part generally takes a shape different from the one that is originally designed after removing from the mould at the end of the curing process. Due to the anisotropic nature of the fibre ...
  • Design of multi-axial load cell to measure the forces and moments acting on engine mounts 
    Shahidi, Kaveh. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    A new load cell has been designed and manufactured which is able to measure the three components of force and three components of moment. Strain gages are conveniently located on highly stressed areas. The mechanical ...
  • Numerical model for axisymmetric inductively coupled plasma (ICP) in radio-frequency (RF) ion thrusters 
    Türköz, Emre. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    A numerical model is developed to evaluate the inductively coupled plasma properties in a 2-D axisymmetric domain inside an RF ion thruster discharge chamber. The model is built by incorporating an electromagnetic model ...
  • 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 ...

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