Browsing Master's Theses by Author "Şendur, Polat"
Now showing items 1-12 of 12
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A comparative study on the severe plastic deformation of metals by constrained groove pressing
Güler, Zeynel (2018-06)The main purpose of the present thesis is to reveal the microstructural refinement and mechanical behavior improvement of metallic materials, some of which are difficult to work, through severe plastic deformation. Constrained ... -
Development of a torque-controllable lower extremity exoskeleton for crutch-free 3D walking support
Yıldırım, Mehmet Can (2018-12-24)Spinal cord paralysis is a condition, which is formed due to full or partial loss of sensorimotor and autonomous functionalities of the spinal cord. Paraplegia is a type of spinal cord injury which causes functionality ... -
Development of novel methodologies for rotational dynamics applications
Abbasi, Ahmad (2020-12-31)In this thesis, a novel methodology is proposed to determine the parameters of a rotating unbalance in a rotor-bearing system. For that purpose, the weighted sum of squared difference between the analytical and predicted ... -
Development of novel methodologies for the damage detection in mechanical systems
Firoozi, Behnam (2020-12-31)The present study examines the capability of various optimization algorithms and proposes novel hybrid algorithms for the more precise prediction of open-edge cracks in mechanical systems. The natural frequencies of the ... -
Die-swelling phenomenon in rubber weatherstrip manufacturing under real process conditions imposed in a commercial extrusion line
Türkistanlı, Tarık (2021-06-11)The weather-strip manufacturers aim to reduce one of their main costs, trial scrap, to be competitive and to have a lower carbon foot. Annual scrap rates of sealing systems are mainly caused by extrusion dies and ... -
Durability testing and vibration characterization of an electric vehicle battery
Although the electrical system is important in the development of electric vehicles, the durability of the battery against mechanical loads and the performance of the battery against shock reactions are just as important. ... -
Effects of roller burnishing on the surface integrity and mechanical properties of duplex and 316L stainless steels
Tugay, İbrahim Orhun (2021-01-15)Roller burnishing (RB) or deep rolling is a mechanical surface treatment method to enhance the surface integrity of manufactured components which affects component’s performance. Although there are some valuable researches ... -
An experimental research on the effects of frost formation on different environmental conditions and surface configurations
Frost formation on finned surfaces is observed on heat exchangers in cooling systems such as refrigerators and air conditioners. Accumulated frost on finned surfaces blocks the air flow in between fins and reduces the ... -
An investigation into mechanical and thermal characteristics of synthetic jet actuators with compact packaging
Işıl, Onuralp (2021-01-05)Cooling systems have been one of the most important elements in packaged electronics due to their inseparable relation with performance. Processors, light emitting diodes (LED), servers, advanced communication systems, ... -
Numerical and experimental analysis of KSF LED packages in a 65" ultra-thin LED TV
Elibol, Metehan (2019-08-08)Flat panel display technologies have been well developed over the last decade towards high-end products which have slimmer, higher brightness and wider color gamut (WCG) characteristics. These challenges led to a dramatic ... -
Optimization of tpms lattice structures via hybridization and grading of the lattice morphologies
Owing to its excellent mechanical properties, triply periodic minimum surfaces (TPMS) lattice structures have recently gained more interest in engineering applications. The superior properties of these structures make it ... -
Thermal and optical interaction of tightly packaged LEDs in automotive lighting applications
Uras, Umut Zeynep (2018-11-20)This study aims to enhance the thermal management of an LED light engine for automotive exterior lighting with an advanced heat spreader. Although LEDs have many advantages, their applications require an accurate thermal ...
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