Browsing Master's Theses by Author "Arık, Mehmet"
Now showing items 1-16 of 16
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Computational investigations of bio-compatible metal organic frameworks (bio-MOFs) for adsorption-based uremic toxin separation
Polymeric membranes in dialysis machines are currently used to separate uremic toxins from blood of chronic kidney patients. However, polymeric membranes can filter only small water-soluble uremic toxins such as urea and ... -
Development of various corner-lit backlighting concepts in an advanced smart LED TV
Karslı, Kıvanç (2015-01)CCFL (Cold Cathode Florescent Lamp) based LCD (Liquid Crystal Display) TVs are replaced by Smart LED TVs with the help of recent improvements of the LED (Light Emitting Diode), electronics and information technologies. ... -
Energy efficiency analysis and improving performance of light emitting diodes
Kahvecioğlu, Halil İbrahim (2018-12)Energy efficiency of light sources continually increases as the technology advance. Traditional light sources have inefficiency, large sizes, short life times and poisonous mercury vapor. On the other hand, the improvements ... -
An experimental and numerical investigation of immersion cooled blue led combined with yag:ce phosphor for thermal, electrical and optical performance
At the new age of illumination, light emitting diodes (LEDs) have been proven to be the most efficient alternative to conventional light sources. Yet, in comparison to the other lighting systems, LEDs can withstand a lower ... -
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 ... -
Induction cooker design and experimental results with quasi resonant topology and jitter method
Tülü, Mehmet Emin (2012-08)This thesis presents an induction cooker design and its detailed experimental results. The design is based on Quasi Resonant Topology and is unique in terms of the particular Jitter Method it employs to drive the semiconductor ... -
An investigation into junction temperature of green and blue LEDs
Özlük, Burak (2019-01-04)As more advanced technologies are developed, energy considerations are becoming more serious. This is also true for lighting systems that play a crucial role in worldwide energy consumption consisting of 15% of general ... -
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, ... -
An investigation into thermal and optical performance of multi-purpose LED automotive exterior lighting systems
Saati Khosroshahi, Ferina (2015-12)Vehicle lighting is important for both security and comfort. In addition, external lighting standards need to be reliable and are subject to international norms for the prevention of accidents. For this reason, automobile ... -
Limitations of passive thermal management for a-line solid state lighting technologies
İnan, Muhammed Nasır (2015-01)Energy has been one of the most important problems for the last few decades. Efficient use of energy is as important as efficiency in energy production and transportation. Solid state lighting (SSL) technology may reduce ... -
Meso-scale cooling devices experimental and numerical heat transfer analysis
Parsa, Shadi Habibi (2017-01)Various thermal management strategies and related technologies are recently developed based on the specific needs, which they are designed to fulfill. Some of these technologies are muffin fans, synthetic jets, and ... -
A novel approach for identification of thermal and optical characteristics for the active layer of high power photonic devices
Muslu, Ahmet Mete (2019-12)A vast amount of electricity consumption for general lighting, the implementation of energy efficient technologies is highlighted in many platforms with the use of light emitting diodes (LEDs). Because of its environmentally ... -
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 ... -
Performance characterization and optimization of an axial flow fan for electronic enclosures
Hashim, Hafiz Muhammad (2016-03)Thermal management of high power electronic components have become a challenging and critical issue for thermal engineers. Forced convection electronic enclosures comprises of fans to provide fluid flow through the system ... -
Structural and flow relationship of microfluidics pulsating high and low frequency jets
İkhlaq, Muhammad (2015-06)Synthetic jets are being investigated last several years. Researchers have been interested in its unique applications for a wide range of flow control to thermal management of electronics applications. Synthetic jets are ... -
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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