Browsing by Author "Akman, Şükrü Uğur."

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  • A process for the deterpenation of essential oils by extraction/adsorption/desorption using supercritical carbon dioxide 
    Eskinazi, Orli A. (Thesis (Ph.D.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1999., 1999.)
    The main purpose of this study was to establish a supercritical-fluid-aided process in order to enhance the quality of essential-oils products through the removal of the monoterpene (MT) hydrocarbons. The example oil chosen ...
  • Application of data envelopment analysis to chemical engineering 
    Ergün, Gökay Serdar. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    Data Envelopment Analysis (DEA) is a method for measuring relative efficiencies of Decision Making Units (DMUs). DEA is used to rank the DMUs according to their relative efficiencies. For the last three decades, there have ...
  • Causality in time series : dynamic time warping versus granger causality 
    Yallak, Leyla Zeynep. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    Causality is a concept studied in various areas such as economics, and engineering. Identifying the cause and effect relations among variables is important as it enables the control of the effected variable by the variation ...
  • 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 ...
  • Constrained neural networks 
    Özer, Ümit. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
  • Data compression and reconstruction in process engineering applications 
    Önol, Ceyda. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    Recent improvements in sensor technology have resulted in huge amount of measured process data along with the increasing need for compression prior to storage. Hence, efficient process data compression and reconstruction ...
  • Dynamics optimal control of flexible heat-exchanger networks 
    Boyacı, V. Cantürk. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1995., 1995.)
    In this work, the dynamics, controllabilitty and resiliency of Heat-Exchanger Networks (HENs) are investigated. A rigorous distributed-parameter model of typical countercurrent shell-and-tuble (multi-tube) heat exchangers ...
  • Multiple and alternate optima of LP problems via recursive MILP : a MATLAB implementation 
    Sayın, Ridade. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    In this thesis, the Recursive Mixed Integer Linear Programming (RMILP) algorithm invented by Prof. Grossman's group at the Carnegie Mellon University is studied. The algorithm is guaranteed to find all the alternate optima ...
  • Optimal design under uncertainty via CVaR (conditional value at risk) 
    Kumbasar, Sıla. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    The aim of this thesis work is to investigate the possibility of controlling and (re)shaping the statistical probability distribution of optimal objective function values in optimization problems related to process synthesis, ...
  • Optimal resilient retrofit design of heat-exchanger networks 
    Konukman, Alp Er Şevki. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1996., 1996.)
    A new index, called Design Resiliency Index, which numerically indicates the size of feasible region in terms of uncertain source-temperature or flowrates for the fixed design parameters of a network structure, is proposed. ...
  • Supercritical carbon dioxide immobilization of glucose oxidase on conducting polymers towards biosensor production 
    Talay, Defne Kayrak. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    In this work, glucose oxidase (GOX) is immobilized on conducting polymer matrices (polypyrrole film, PPY; polyurethane/polpyrrole composite foam and film, PU/PPY) via Supercritical Fluid Immobilization (SFI) for further ...
  • Wavelet coherence :|analysis of time series and exploration towards fault detection 
    Duman, Ali İsmail. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Wavelet Coherence Analysis (WCA) is a tool for depicting degree of coherency and phase differences between binary time series. The advantages of WCA are the capability to cope with non-stationary time series and to monitor ...

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