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Browsing Fen Bilimleri Enstitüsü by Author "Korugan, Aybek."

Browsing Fen Bilimleri Enstitüsü by Author "Korugan, Aybek."

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  • A comparison of pull control policies in hybrid production systems 
    Çadırcı, Özge. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Environmental concerns trigger companies for utilizing reuse activities as much as possible, gradually. One of these activities is remanufacturing process. When manufacturing process is combined with remanufacturing process, ...
  • A control point policy approach for the remanufacturing workshop 
    Erkuş, Oral Mert. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    The main environmental problems that most industrialized countries are facingnowadays are the increasing waste and the depletion of raw materials. To slowdown theincrease of waste, one effective method is the recovery of ...
  • A dynamic simulation model for insulin resistance and type II diabetes in the context of obesity 
    Can, Melike Hazal. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Type 2 diabetes, is a frequently seen endocrinological disease leading to other serious health problems such as heart disease and kidney dysfunction that may eventually lead to a premature death. Insulin resistance is seen ...
  • A profitability analysis of product sales and leasing in supply chains 
    Demirayak, Caner. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    As a result of marketing policies based on cheaper and less durable products with short life cycles, the consumption and disposal rates have increased and therefore many developed countries introduce laws and regulations ...
  • A stochastic evaluation on the prospects for the diffusion of wind power technologies at alternative sites in Turkey 
    Güleç, Ünal. (Thesis (M.S)-Bogazici University.Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    The objective of this thesis is to explore wind energy projects under competitiveelectricity market conditions by performing financial and economic analyses for alternative sites and projects in Turkey. The competitive ...
  • Analysis of a pull type remanufacturing control system 
    Özel, Özgür İnan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    The aim of this study is to evaluate multi-stage kanban controlled hybrid systemswith arbitrary topologies. A hybrid system consists of manufacturing and remanufac-turing subprocesses each dedicated to its respective ...
  • Analysis of disasembly systems in remanufacturing using kanban control 
    Dingeç, Kemal Dinçer. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    Disassembly is the most critical stage of remanufacturing activities. The condition of parts disassembled for reuse/remanufacturing display a high variance. Hence demand for different parts found in a core cannot always ...
  • Analyzing the impact of energy storage capacity on renewable energy generation using wind power :|the case of Turkey 
    Gül, Aykut. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2021., 2021.)
    Renewable energy sources (RES) are expected to be dominant in near future. However, RES suffer from unavailability and intermittency that causes unreliable energy output due to daily or hourly weather conditions. (Liserre ...
  • Extending the producer responsibility under legislations: economic impact of remanufacturing on automotive manufacturers 
    Salman, Koray Tanaltan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    Increasing population and consumption drives a common sense for responsible use of resources. Therefore, waste reduction is becoming a major concern in industrialized countries. Legislations that extend producers’ ...
  • Generating servicizing strategies for sustainable supply chains 
    Yaman, Hande Gizem. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    As a result of technological developments, life-cycles of products have significantly decreased in industrialized countries resulting in a vast increase in waste and a decrease in natural resources. Consequently, various ...
  • Interrelation of production system design, quality and productivity in hybrid manufacturing environments 
    Ateş, Nüfer Yasin. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    This study concentrates on the impact of lower quality of returned products for remanufacturing on machines that are shared by new and remanufactured products. The hybrid manufacturing shop floor with two part types where ...
  • Modeling the dynamics of vicious cycles involved in heart-respiratory failure 
    Çömez, Sema. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Heart failure is a syndrome when the heart is damaged permanently and lost its full functionality. In this case, the tissues cannot be fed sufficiently with blood and oxygen and compensatory mechanisms are triggered. These ...
  • Performance analysis of a hybrid system under quality impact of returns 
    Behret, Hülya. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    Remanufacturing is the process which transforms used products, consisting of components and parts, into products that satisfy the same quality and other standards as new ones. Systems that remanufacture used products face ...
  • Rework loop and quality information feedback 
    Hançer, Ömer Ferhat. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    High population and limited amount of resources increase competition, and in order to survive in this competition we must use these resources wisely. Today’s manufacturers are conscious of this fact and they find efficient ...
  • Simulation of routing policies for a multi-class docking system of an automobile manufacturer 
    Cesur, Murat. (Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in the Social Sciences, 2017., 2017.)
    Supply chain operations are the vital functions of today’s huge and complex organizations. Although most of these activities are inevitable due to the different needs of customers, eliminating some non-value-adding activities ...
  • The analsis of bullwhip effect om a multi-echelon closed-loop supply chain with orbit size-dependent return flows 
    Aytöre, Can. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2021., 2021.)
    Companies that embrace product recovery as a beneficial business option are more competitive, better compliant with government regulations, optimizing their op erational processes, and efficiently balancing their return ...
  • The effect of product substitution on non-boundary inventory levels 
    Cevahir, Cihan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    Competitive business world makes it difficult for companies to have high customerloyalty. As the number of manufacturer companies in markets gets higher, customersexpect higher service level from these manufacturers. If a ...
  • The impact of human capital on the social security system of Turkey 
    Gönülkırmaz, Hülya. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    The purpose of the study is to analyze the impact of human capital, which is based on the years of education and working experience, on the duration of education, working and retirement which maximize the average lifetime ...
  • The impact of remanufacturing on service levels of automobile spare parts supply chain 
    Erdoğan, Hasan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Remanufacturing is described as removing a product or component from a retired system and installing it in another system. In today’s world one can already discover an impressive range of application examples representing ...
  • The impact of sequencing policies on the mean flow time of single server queues 
    Tanınmış, Kübra. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    In systems with nite resources, scheduling may take signi cant time and this may a ect the performance of the system. In this study, we are interested in the time value of optimizing a schedule. To this end, we consider ...

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