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Investing in a machinery park is a crucial decision process for businesses, as it requires significant resources and subsequently affects all production activities. Proper utilization of machinery improves production processes, increases efficiency and reliability, and enables flexibility and effectiveness in manufacturing. This process, which requires experience and knowledge, encompasses multiple criteria and involves various departments. This research aims to solve the printing machine selection problem using fuzzy multi-criteria decision-making methods, for an investment in a newspaper printing facility. Fuzzy AHP is employed to determine the importance weights of criteria, while fuzzy EDAS is used to evaluate alternatives based on criteria. The criteria considered in the study, based on expert opinions and literature review, are as follows: cost, efficiency, and flexibility. Four different printing machines that are deemed suitable for the process and feasible for purchase are selected as machine alternatives. The decision-making group consists of the printing manager, business development manager, technical manager, and electrical and mechanical maintenance engineers. Sensitivity analysis results conducted to assess the impact of linguistic expression variations on the analysis outcomes demonstrate a high level of validity in the research. [ABSTRACT FROM AUTHOR]

Nowadays, glass curtain wall systems have been widely applied. There are many examples where these systems are applied to buildings with inclined facades. Inclined curtain walls are generally designed without considering the energy consumption values of the building. This situation affects the comfort conditions of the building users and the energy consumption of the building negatively. In this study, the effect of the curtain wall slope angle change on energy consumption was investigated. A building model was created with the DesignBuilder energy simulation program. The energy consumption values of the models with different curtain wall angles were calculated. In the study, the effect of the orientation of the inclined glass curtain wall was also examined. The cooling loads of the building in hot climate are higher than the heating loads. When the glass curtain wall is facing towards the south, the annual cooling loads increased by 7%, 15% and 22%, respectively, with the decrease of the facade angle from 90° to 80°,70°,60°. In addition, when the glass curtain wall is facing towards the south, the annual cooling loads decreased by 9%, 17% and 23%, respectively, as the facade angle increased from 90° to 100°, 110° and 120°. In the study, it was observed that the angle and direction of the glass curtain wall affects the solar energy gain, heating and cooling loads, and primary energy consumption values of the building. [ABSTRACT FROM AUTHOR]

An unmanned aerial vehicle is an aircraft that can fly without a human pilot and is generally used for remote control or pre-programmed missions. In this study, studies on unmanned aerial vehicles published in the National Thesis Centre of the Council of Higher Education (YÖKTEZ) between 2014-2023 were examined within the framework of bibliometric parameters. For this purpose, 341 studies including the concept of unmanned aerial vehicle were evaluated. When analysed by years, the number of theses published on the concept of unmanned aerial vehicle has increased with the year 2022. In total, there are 308 master's theses and 33 doctoral theses among 341 theses. Istanbul Technical University was the university that published the most theses with 33 theses. The results of the analysis show that the number of studies on the concept of unmanned aerial vehicle has increased in recent years and these studies have been published in the field of Electrical and Electronics Engineering. It has been determined that researchers in computer engineering sciences-computer and control, geodesy and photogrammetry, aeronautical engineering and mechanical engineering are more interested in the concept of unmanned aerial vehicles. [ABSTRACT FROM AUTHOR]