Browsing Fen Bilimleri Enstitüsü by Title

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  • Three-dimensional solution of compressible potential flow in turbomachinery by a finite element method 
    Güneş, Doğan. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1983., 1983.)
    The present study is concerned with the analysis of three-dimensional, compressible flows in axial-, radial-, or mixed-flow turbomachinery under the limitations of steady and potential flow conditions. The basic approach ...
  • Throughput and inventory analysis of a flexible machine for different maintenance policies 
    Ufluoğlu, Emrah Erdem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    In this study, a manufacturing shop oor with two part types is examined and the impacts of di erent production and maintenance policies on the average throughput and average bu er levels are compared. Basically the ...
  • Time - frequency and time - scale analysis, decomposition and classification of adventitious pulmonary sounds 
    Ulukaya, Sezer. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    Pulmonary diseases a ect the quality of life and disturb the patients throughout their life. Due to some disadvantages of auscultation with a traditional stethoscope, computerized lung sound analysis has become a necessity. ...
  • Time efficient spam e-mail filtering for Turkish 
    Çıltık, Ali. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    In the present thesis, we propose spam e-mail filtering methods having high accuracies and low time complexities. The methods are based on the n-gram approach and a heuristics which is referred to as the first n-words ...
  • Time multiplexed video transmission 
    Sahillioğlu, M. Güneş. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1981., 1981.)
  • Time of arrival estimation with music under impulsive noise 
    Hacıoğlu, İsa. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    With the emergence of micro and nano technologies, the context-aware wirelesscommunications applications have been spreading. Especially, location-awareness hasgained significance recently. The TOA estimation have been ...
  • Time series analysis of distributed denial of service attacks in intrusion detection systems 
    Kayataş, Cemil Eren. (Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in the Social Sciences, 2018., 2018.)
    Denial of Service (DoS) and Distributed Denial of Service (DDoS) attacks cause million dollar losses to the companies, hence network security has become one of the most important topic in the modern world. DDoS attacks ...
  • Time-domain blind source separation for convolutive mixtures using second-order statistics 
    Demir, Cemil. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    Blind Source Separation (BSS) methods are generally used to separate the speech of people in the same room by using audio data recorded by multi-microphone system. This thesis focuses on a time-domain technique in BSS. In ...
  • Time-variant linear transistor model to be used in switching circuits 
    Karagöz, İrfan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1985., 1985.)
  • TiO2 and ZnO loaded fly ash catalysts 
    Tuncel, Duygu. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    In this study, two binary catalysts TiO2 supported fly ash (TiO2-FA) and ZnO supported fly ash (ZnO-FA) were sythesized by sol-gel and co-precipitation technique. The as-prepared catalysts were characterized by using several ...
  • TiO2 semiconductor photodegradation of substituted resorcinols: |kinetic and mechanistic studies 
    Ökte, Ayşe Neren. (Thesis (Ph.D.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1999., 1999.)
    The photocatalytic degradation of 1,3-dihydroxybenzene (1,3-DHB) (resorcinol) and the substituted resorcinols, 3,5-dihydroxytoluene (3,5-DHT), 1,3-dihydroxy-5-methoxybenzene (1,3-DHMB) and 3,5-dihydroxybenzoic acid (3,5-DHBA) ...
  • Tissue imaging with scanning acoustic microscopy and raman spectroscopy 
    Parlak, Melita. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    The morphological and mechanical characteristics of tissues are critical in biology and medicine. Furthermore, external agents might cause various modi cations in the biological samples that alter the physiological properties. ...
  • Topic identification within microblog post collections 
    Yıldırım, Ahmet. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    This thesis aims to identify topics in collections of microblog posts, where topics correspond to a set of related topic elements. The rst approach, Boun-TI, examines the use of Wikipedia { well written cross-domain ...
  • Topography optimization of cylindirical shells with cutouts for maximum buckling strength 
    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 ...
  • Topologies on families of closed subsets 
    Karan, Alperen. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    In 1914, Felix Hausdor introduced a metric, called the Hausdor metric on the set of closed subspaces, Hausdor space, of a metric space. This metric and the corresponding topology are the main objects of the study. In ...
  • Torsional analysis of the frames 
    Almas, Rauf. (Thesis (M.S.) - Robert College. Faculty of Graduate School of Engineering, 1965., 1965.)
  • Total internal reflection holographic microcopy for cell extension imaging 
    Gürcan, Tolga. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    The study of interfacial structures is of utmost importance not only for various research fields such as cell biology and display systems but also their sub-disciplines. One of the traditional means of imaging buried ...
  • Towards understanding polyethylene terephthalete hydrolysis and aminolysis in tire cords 
    Ünal, Kamil. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    Polyethylene Terephthalate (PET) is the most common thermoplastic in the industry. It is synthesized via polycondensation reaction between ethylene glycol (EG) and terephthalic acid (TPA) or dimethyl terephthalate (DMT). ...
  • Trace element analysis of metallic artifacts from Gedikli hoard by atomic absorption spectroscopy 
    Benglian, Ani. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1985., 1985.)
    The object of this study was to determine the trace and alloying elements of the metal artifacts recovered from Gedikli during excavation between 1964-1967. Most of the artifacts were from a cremation burial sight dated ...
  • Trace metal analysis of fresh and canned food samples by anodic stripping voltammetry 
    Tatar, Şeyma İrem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    The objectives of this study were to develop the parameters of an electroanalytical method, DPASV, for the determination of trace elements Zn, Cu, Pb and Cd in fresh and canned food samples, and to compare the new method ...

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