Browsing by Author "Budaklı, M."
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Effect of polymer coating on vapor condensation heat transfer
Budaklı, M.; Salem, T. K.; Arık, Mehmet; Donmez, B.; Menceloglu, Y. (ASME, 2020-04-01)Condensation heat transfer coefficients (HTCs) are rather low compared to thin film evaporation. Therefore, it can be a limiting factor for designing heat transfer equipment. In this work, heat transfer characteristics of ... -
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 ... -
Evaluation of bioimplants surface nano-micro design by chemical mechanical polishing against alternative methods
Al Saeedi, Riaid Hadi Salih (2019-01-11)Biomaterials comprise a representative fraction of the products used in the health area. Biomedical devices (such as biosensors, blood circulation tubes, hemodialysis systems) can be cited as examples. Biomaterials can be ... -
An experimental and analytical study on the influence of superhydrophobic micro-textured surfaces on liquid wetting phenomena
Salem, Thamer Khalif; Budaklı, M.; Şahan, Oğuz; Arık, Mehmet (Elsevier, 2018-10-20)Controlling dust, particle, gas or liquid attachment or motion over the surfaces is attracting many researchers to reduce losses or reach mission-specific goals. Therefore, researchers have been developing novel surfaces ... -
An experimental investigation into frost accumulation over vertical finned and unfinned surfaces during impinging air flow
Öksüz, Enes Abdülhakim; Saygın, Alper; Başol, Altuğ Melik; Budaklı, M.; Arık, Mehmet (ASME, 2020)Frost formation on evaporators negatively affects the cooling performance of refrigerators. It increases the thermal resistance between the refrigerant and air leading to a reduction in the system cooling capacity. In this ... -
An experimental study on the heat transfer and wettability characteristics of micro-structured surfaces during water vapor condensation under different pressure conditions
Budaklı, M.; Salem, T. K.; Arık, Mehmet; Dönmez, B.; Menceloglu, Y. (Elsevier, 2021-01)In this study, condensation characteristics of water vapor on micro-structured surfaces at different pressures and subcooling temperature has been investigated experimentally. This work represents a basic study in order ... -
Immersion cooling of suspended and coated nano-phosphor particles for extending the limits of optical extraction of light emitting diodes
Tamdoğan, Enes (2017-08)Energy efficiency, long life, exceptional color and performance of solid-state light (SSL) sources have resulted in a rapidly increasing trend in a number of practical applications especially for general lighting after a ... -
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 ... -
Investigation of corrosion in oil pipelines through surface nano-treatment
Ahmed, Mohammed Salih (2020-01)Corrosion is the unintentional and degradation of a material caused by the reaction of that material with its environment and a natural possible hazard correlated with gas and oil generation and transportation facilities. ... -
Key design features to improve the safety of surgical robotic systems and evaluation and improvement of a surgical-assistant test-bed robotic system
Dibekçi, Ayşan (2020-01-17)The signi cance of the robots in the medical eld have been increasing rapidly. Humans and robots working together increases the strengths and decreases the limitations of surgical operations. Human life makes safety the ... -
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 ... -
On the individual droplet growth modeling and heat transfer analysis in dropwise condensation
Azarifar, Mohammad; Budaklı, M.; Başol, Altuğ Melik; Arık, Mehmet (IEEE, 2021-10)The low convective coefficient at condenser part of spreaders and vapor chambers due to film blanket blocking encourages utilizing dropwise condensation (DWC). Challenges exist in the experimental characterization of DWC, ... -
Parametric effects on pool boiling heat transfer and critical heat flux: A critical review
Emir, Tolga; Ourabi, H.; Budaklı, M.; Arık, Mehmet (ASME, 2022-12)Pool boiling heat transfer offers high-performance cooling opportunities for thermal problems of electronics limited with high heat fluxes. Therefore, many researchers have been extensively studying over the last six ... -
Pool boiling heat transfer in dielectric fluids and impact of surfaces on the repeatability
Emir, Tolga; Yazıcı, Yakup Gökalp; Budaklı, M.; Arık, Mehmet (ASME, 2022)This study presents an experimental investigation on the nucleate boiling heat transfer (NBHT) in deionized (DI) water and HFE-7100 on bare copper surfaces. The experiments were performed under atmospheric condition at 0 ... -
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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