Browsing M.S. Theses by Title

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  • One dimensional compression ignition engine simulation and comparison of soot emission models 
    Asma, Alpay. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    In this thesis 2.2 liter compression-ignition (CI) engine having 4-cylinders with a turbocharger is modeled through AVL BOOST under both full-load and 80%, 60%, and 40% partial loads. The study carried out can be classified ...
  • Optimization of forging processes with a concurrent approach 
    Öztürk, Murat. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    With the increasing complexity of manufacturing processes and the interrelations between the different phases, the possibility of a phase being affected by a preselected design variable is very high. In that case, the ...
  • Optimization of pigmented coatings for concentrating solar thermal applications 
    Yalçın, Refet Ali. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    Spectrally selective coatings are used in absorbers of solar collectors to maximize efficiency of solar thermal energy systems. Desired coating should have high absorptance at solar wavelengths and low emittance at the ...
  • Optimum design of a sandwich plate with egg-crate shaped core for maximum strength under three-point bending 
    Yalkılıç, Coşkun. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    This thesis study aims to maximize the bending strength of a sandwich composite plate with an egg-crate shaped core under three-point bending loading. The material is chosen as epoxy-reinforced with non-crimp E-glass fabric ...
  • Optimum design of rib-reinforced composite I-beam 
    Deldari Alamdari, Amin. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2021., 2021.)
    The main goal of this study is to develop a methodology for optimum shape design of reinforcing ribs on the web of an I-beam so as to minimize the weight of the structure and maximize the buckling-load carrying capacity ...
  • Optimum design of stiffend composite plaates under impact loading 
    Seyyedrahmani, Farzad. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Thin composite plates do not have sufficient strength and stiffness under trans verse loads and bending moments. One may increase thickness, but using stiffeners is a more effective way of improving their mechanical response. ...
  • Optimum design of stiffened composite cylindrical shells with a cutout for maximum buckling strength 
    Değer, Sezer. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    Thin-walled composite cylindrical shells have low resistance to buckling and out-of-plane deformations. Introducing a cutout to these structures reduces the load-carrying capacity of such structures drastically. One effective ...
  • Optimum preform and die shape design for improved hardness distribution in cold forged parts 
    Tümer, Haluk. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    To predict and then to control hardness distribution in a cold formed part is important, since it is a critical property due to its effects on the forgability of the part and its performance in use. In cold forming processes, ...
  • 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 ...
  • Patient specific lumped parameter modeling of penile erection mechanism relying on reduced penile doppler ultrasound data 
    Yıldırım, Canberk. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Erectile dysfunction (ED) is a common clinical condition that affects 10-20% of the male population. Penile color Doppler ultrasound (PDUS) is considered as the most objective erection evaluation method, which solely relies ...
  • Phonon mean free path and thermal conductivity analysis of wide and ultra-wide bandgap materials 
    Albar, Esra İlke. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    As the Knudsen number (de ned as the as the ratio of the molecular mean free path length to length scale of the device) increases, materials' thermal properties are compromised due to disruption of phonon movement. If the ...
  • Phononic band gaps in two-dimensional periodic structures with inertial amplification mechanisms 
    Dilber, Gizem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    In this thesis, a 2D periodic structure equipped with inertial amplification mechanisms is designed. The structure is optimized to obtain a wide and deep phononic band gap in low frequency ranges. The aim is to prevent ...
  • Plasmonic enhancement of absorption efficiency of nanoparticles for photothermal therapy applications 
    Tahmaz, Ege Şükrü. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    Even though humanity is in a golden age when it comes to medical wonders, can cer is still one of the most common and deadly diseases in the world. One new treatment method is called photothermal therapy, which is the ...
  • Pressure slip casting method for production of ceramic compact parts 
    Kaya, Göksu. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    The fundamentals of slip casting method is based on the slip gets into form of the mold by the water absorption caused by the means of capillary forces formed on the porosities of the mold after powder suspension is poured ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...

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