Fen Bilimleri Enstitüsü: Recent submissions

  • Compressive control-vector parameterization with discrete cosine transform for the solution of optimal-control problems 
    Hallaçeli, Ahmet. (Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in the Social Sciences, 2017., 2017.)
    In this thesis, a novel numerical method for the solution of open-loop optimal-control problems is proposed. The method combines the flexibility of the standard Control-Vector Parameterization (CVP) technique with the ...
  • The pinch design method for the synthesis of optimal heat exchanger networks 
    Özgülşen, Fatih. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1988., 1988.)
    In this work. computer programs, HEXNET and DESIGN, which are developed to perform the synthesis of optimal heat exchanger networks are presented. Most recently developed method, namely, the Pinch Technique is utilised for ...
  • Parametric analysis of ethylene oxide synthesis in a catalytic microchannel reactor 
    Eyvaz, Hatice. (Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in the Social Sciences, 2017., 2017.)
    In this study, ethylene oxide synthesis over Ag/α-Al2O3 is investigated in a catalytic microchannel reactor by COMSOL software. Microreactors are ideal devices to investigate highly exothermic reactions like ethylene oxide ...
  • An experimental study aiming to enhance the performance of OSR of a fuel processor 
    Öztepe, Cihat. (Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in the Social Sciences, 2017., 2017.)
    The aim of this study is to determine the optimum operating parameters of the methane OSR unit of the Fuel Processor Prototype-FPP yielding high methane conversion activity with suppressed H2/CO product selectivity through ...
  • Reverse Monte Carlo modeling of Ge-As-Te chalcogenide glass system 
    Yurtsever, Çisem. (Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in the Social Sciences, 2017., 2017.)
    Chalcogenide glasses are well known for their wide technological applications due to their optical, structural and electrical properties. Their wide-ranging applications can be stated as infrared optical fibers, optical ...
  • A mathematical model based analysis for designing demo scale fuel processor 
    Demirci, Barış. (Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in the Social Sciences, 2017., 2017.)
    The aim of this study is to construct a FLUENT-based mathematical model of a Demo-scale fuel processor, which will be used as the base model to obtain the optimum operating parameters of a Demo-FP that produces sufficient ...
  • Experimental study on the electrohydrodynamic instability between two immiscible liquids flowing in a microchannel 
    Altundemir, Sercan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    The aim of this study is to investigate experimentally the electrohydrodynamic instability between two Newtonian immiscible liquids in a microchannel. When two immiscible liquids flow in laminar regime, a flat interface ...
  • Reweighted robust dispersion estimation methods for univariate s-charts 
    Mutlu, Ece Çiğdem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    Maintaining the quality of manufactured products at a desired level depends on the stability of process dispersion and location parameters and detection of perturbations in these parameters as promptly as possible. In the ...
  • Data mining for carbon dioxide adsorption over amine modified adsorbents from publications in literature 
    Yıldız, Merve Gamze. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    The aim of this thesis is to extract knowledge for carbon dioxide adsorption over amine modified adsorbents using two data mining techniques that are decision trees (DT) and artificial neural networks (ANN). The experimental ...
  • Trageted conformational transition pathways of large proteins by integrating elastic network modeling with Monte Carlo simulations 
    Yeşiltepe, Yasemin. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    ANM-MC is a coarse-grained simulation technique, in which the anisotropic network model (ANM) generates the collective modes for deforming the protein structure towards target direction, and Monte Carlo (MC) algorithm ...
  • Parametric investigation of catalytic dry reforming of glycerol to synthesis gas 
    Bulutoğlu, Pelin Su. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    Dry reforming of glycerol is a highly promising way for production of synthesis gas, as it involves catalytic conversion of CO2, a greenhouse gas that hit threatening levels, with glycerol, which is a renewable hydrocarbon ...
  • Heat transfer coefficients for finned tubed coil immersed in agitated vessel 
    Kızılçeç, Fatma. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1986., 1986.)
    Heat transfer coefficients for agitated liquids in a flat bottomed vessel equipped with finned tube helical coil were determined over the 125-500r.p.m range of agitator speeds by using a flat paddle turbine impeller in ...
  • Prediction of heavy diesel T95 using just in time learning models 
    Hasdemir, Sevi Zeynep. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    One of the middle distillates of atmospheric distillation column is Heavy Diesel (HAD). T95 is the temperature, at which 95% volume of a sample is boiled, and it is the main controlled variable so accurate T95 predictions ...
  • WGS kinetics over Pt-based trimetallic catalyst under realistic conditions 
    Yumru, Gizem. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    The aim of this study is to obtain a reliable power law type kinetic expression under realistic conditions for water-gas shift reaction over 1Pt-0.5Re-1V/CeO2 catalyst to be used in designing the WGS unit of a small scale ...
  • Photocatalytic hydrogen production over Au/SrTiO3 
    Saadetnejad, Dilara. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    In this work, a well stirred continuous system with top irradiation was designed for photocatalytic water splitting with the integration of online mass spectroscopy to evaluate hydrogen production quantitatively. As a ...
  • Experimental and computational study of glycerol reforming over wall-coated microchannels 
    Delparish, Amin. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    This study aimed to investigate intensified glycerol reforming both experimentally and computationally. In the experimental part, gas phase oxidative steam reforming (OSR) of glycerol is carried out in an in-house designed ...
  • Application of robust statistics on a crude distillation unit 
    Nalbant Kurşun, Sinem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    Refineries are highly complex and integrated systems, separating and transforming crude oil into valuable products. One of the most important processes in refineries is the Crude Distillation Unit (CDU) process, in which ...
  • An experimental study on optimization of Pt-based trimetallic WGS catalysts 
    Kesim, Bahar. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    The overall purpose of this study is to design and develop Pt-based, CeO2 supported trimetallic Pt-Re-V/CeO2 catalysts(s) having high WGS activity, selectivity and stability with suppressed methanation under realistic feed ...
  • Investigation of cell cycle network of yeast using lab-on-a-chip platform 
    Odabaşı, İrem Ezgi. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    Genome instability has long been implicated as a salient causal factor in aging and age related diseases such as cancer and neurodegeneration. However, the molecular mechanisms associated with genome instability remain ...
  • Design and development of efficient catalysts and determination of reaction mechanism for carbon dioxide reforming of methane (CDRM) 
    Paksoy, Aysun İpek. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    The aim of the current work is to design and develop effective non-PGM based CDRM catalysts, to confirm the roles of each catalyst component, to determine optimum reaction conditions for the highest performance, and to ...

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