M.S. Theses: Recent submissions

  • Benim, Ali Cemal. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1981., 1981.)
    In this study, the steady and incompressible flow between rotating,coaxial, finite disks is solved by the Finite Element Method. In the analysis velocity and pressure formulation is used. An iterative procedure which permits ...
  • Özbaş, İsmail Yiğit. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    This work is on the investigation of the effect of loading rate and thermomechan ical coupling on mechanical behavior and fracture of shape memory alloys (SMA). The constitutive model of Zaki and Moumni (ZM) is studied in ...
  • Shafiei, Hamed. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Evaporative cooling occurs through evaporation of water droplets in air. It works on the principle of injecting water spray directly into the air flow to reduce its temperature by a conversion of sensible heat of the air ...
  • Bilgin, Egemen Orhan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    With the effect of global warming on weather, most countries are interested in renewable energy sources and solar energy is the most promising one among others with an endless source. With this awareness, a lab scale test ...
  • Ogan, Doruk Can. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    The detailed geometrical and thermodynamic modelling and experimental vali dation of scroll expander is presented in this thesis. Firstly, a fully mathematical model is developed for moving and fixed scrolls inside the ...
  • 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 ...
  • Avşar, Dilan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Metal nanoparticles (NPs) interacting with the light in near-field undergoes lo calized surface plasmon resonance (LSPR) when the oscillating charges on the surfaces resonates with the incident light frequency. The EM wave ...
  • Bilgi, Coşkun. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    The aim of this study is to provide insight to how pulsatile hemodynamics varies with rheology of blood and blood vessel elasticity in case of an abdominal aortic aneurysm (AAA). Fluid-solid interaction method with arbitrary ...
  • Berk, Mehmet Emre. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Energy savings on refrigeration systems are highly desired due to the aware ness of limited energy sources in recent years. In this regard, new technologies have been developed in addition to the conventional refrigeration ...
  • Bekiloğlu, Hasan Eren. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Organic Rankine cycles (ORCs) are used to generate power from low temper ature heat sources. There are two main chapters in this study. In both parts, 28 different working fluids are used for three different heat source ...
  • Talaş, Şeref Kemal. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    In this thesis, control system design of a highly-extensible soft robot is presented. The robot is actuated with three inflatable tubings connected to stepper motors and can move in three-dimensional space. Pressurizing the ...
  • Altınsoy, Timur. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Colonoscopy is the standard medical diagnosis method used to detect abnormal ities in the colon. Early diagnosis of these abnormalities is crucial for colorectal cancer treatment to succeed. Even though colonoscopy is very ...
  • Hokmabad, Siamak Vajdi. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    This study investigates convective laminar flow and heat transfer of alumina-water nanofluid inside a circular minichannel subjected to constant heat flux and wall temperature. The results of numerical studies on non-homogeneous ...
  • Yazgaç, Erdal. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1981., 1981.)
    The purpose of this invertigation is to set up an experimental system for the field testing of the performance characteristics and practical serviceability of a vertical axis wind turbine. Based on previous research work, ...
  • Çok, Doğan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    The main goal of this study is to develop a methodology for optimum structural design of composite I-beam wing spars with wavy corrugated web to minimize mass and investigate their mechanical behaviors under aerodynamic ...
  • Özdür, Necdet Ali. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Digital Image Correlation is now a widely used method for measuring deforma tion fields with high spatial resolution. Its single camera (two-dimensional) application is used to evaluate in-plane deformation of a planar ...
  • Büyükçayır, Mehmet Can. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    In this study the effects of constant and oscillating magnetic fields on axi symmetric laminar pipe flow are studied. The analyses cover both Newtonian and non-Newtonian ferro fluids exhibiting both shear thinning and shear ...
  • 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. ...
  • Kokal, Uğur. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Since 1960’s, electric propulsion systems have been used on spacecraft for orbital maneuvers and deep space missions. Electric propulsion systems can operate at high specific impulse levels and can deliver very high delta-V ...
  • Gökyer, Yusuf. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Buckling strength of shell structures under compression significantly drops if cutouts exist. In order to compensate this, these structures are reinforced with stiffeners. In this thesis, the objective is to optimize ...

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