Mehmet Kaya

Mehmet Kaya
Kocaeli University · Faculty of Aeronautics and Astronautic Sciences

Professor

About

15
Publications
7,551
Reads
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220
Citations

Publications

Publications (15)
Article
Full-text available
This experimental study deals with the heat transfer and friction effects of sinusoidal part turbulators for single-phase flows occurring in a circular shaped pipe. Turbulators with three different radius values are placed in the pipe to make the flow turbulent. In this way, changes in Nusselt number and friction coefficient are examined. As a resu...
Article
Full-text available
In this research, an exemplary study has been conducted in order to draw attention to the importance of evaluating the existing potential on the roofs of buildings. This research offers an evaluation of the existing solar energy and rainwater potential on the total roof area of the buildings in the Izmit district, which is a central district of Koc...
Article
Full-text available
Enerjinin %35’inin binalarda tüketildiği ve binalarda tüketilen enerjinin de %80’i ısıtma amaçlı kullanıldığı göz önüne alınırsa, binalara kurulacak daha verimli ısıtma sistemlerinin yanı sıra binalara uygulanacak uygun ısı yalıtımları ile büyük enerji tasarrufu sağlanacağı çok önem arz etmektedir. Isı yalıtımında istenilen performansın sağlanması,...
Article
Full-text available
In the present study, it was aimed to produce a fundamental i nformation and to investigate the effects of various design parameters on tube performance characteristics by setting up vortex tube experimental system in order to study the parameters predetermined for the design of vortex tubes and by conducting thermodynamic analysis. According to th...
Article
In this study, heat losses were determined in the sample heat insulated and uninsulated buildings in Erzincan Province and heat loss economic analysis was made. As a result of the study, it is identified that total heat transfer surface area in the buildings in Erzincan is 2411189,77 m(2). 31,36 per cent of this area is insulated and 68,64 per cent...
Article
Full-text available
zet: Bu çalışmada Erzincan ilinde örnek olarak seçilen ısı yalıtımlı ve yalıtımsız her bir bina türünden gerçekleşen ısı kayıpları belirlenerek il genelinde ısı yalıtımı yapılmamış binaların toplamından fazladan gerçekleşen ısı kayıplarının ekonomik analizi yapılmıştır. Yapılan çalışmaların sonucunda, Erzincan il genelinde bulunan binaların 2411189...
Article
Full-text available
The objective of this study was to develop suitable cooling systems for high-power multichip LEDs. To this end, three different active cooling systems were investigated to control the heat generated by the powering of high-power multichip LEDs in two different configurations (30 and 2 × 15 W). The following cooling systems were used in the study: a...
Article
Full-text available
The most popular method to benefit from the solar energy is to use solar water heating systems since it is one of the cheapest way to benefit from the solar energy. The investment cost of a solar water heating system is very low, and the maintenance costs are nearly zero. Using the solar energy for solar water heating (SWH) technology has been grea...
Article
In the applications of solar energy, the solar radiation data and their components in a region must be known for the design of a system. In the locations where no solar radiation data is available, this parameter can be determined by performing a reasonable correlation. In the study, the models of global solar radiation on the horizontal surface in...
Article
Full-text available
In this study, the past investigations of the design criteria of vortex tubes were overviewed and the detailed information was presented on the design of them. Vortex tubes were classified and the type of them was described. All criteria on the design of vortex tubes were given in detail using experimental and theoretical results from the past unti...
Article
Full-text available
Energy is an essential factor in overall efforts to achieve Sustainable development. Countries striving to this end are seeking to reassess their energy systems with a view toward planning energy programs and strategies in line with sustainable development goals and objectives. Turkey's demand for energy and electricity is increasing rapidly. Since...
Article
ZET Bu bildirinin amacı vorteks tüplerin Türkiye'deki doğal gaz basınç düşürme ve ölçüm istasyonlarında kullanılma olanaklarını araştırmaktır. Vorteks tüpler doğal gaz dağıtım, basınç düşürme ve ölçüm istasyonlarında basınç düşürücü, gaz temizleyici ve ısıtıcı olarak kullanılabilirler. Vorteks tüplerin basınç düşürme ve ölçüm istasyonlarında kullan...

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