Ara
Toplam kayıt 18, listelenen: 1-10
Failure analysis of graphene sheets with multiple Stone-Thrower-Wales defects using molecular mechanics based nonlinear finite element models
(Hitit Üniversitesi Fen Bilimleri Enstitüsü, 2018-06-09)
Experimental studies show that Stone-Thrower-Wales (STW) defects generally exist in graphene sheets (GSs) and these defects considerably affect the fracture strength of GSs. Thus, prediction of failure modes of GSs with ...
A monitoring and control system integrated with smart phones for the efficient use of underground water resources in agricultural product growing
(Hitit University, 2017)
Monitoring and control system is very important for crop development process in agriculture zones. A structure which is carried out based on the type of the product with the knowledge of temperature and humidity values of ...
Experimental investigation of cooling performance a heat pump for near azeotropic refrigerant R404A
(Hitit University, 2017)
In this study, in order to investigate the effect of outdoor air temperatures on the performance of an air source heat pump, operated in cooling mode, using R404A refrigerant, the heat pump was tested at the outdoor air ...
Analysis of scoring resistance on coated spur gears by considering surface roughness
(Hitit University, 2017)
With the rise of velocity and momentum in machines as a result of technological developments, on gears, alongside refraction from the bottom of the gears and pitting formation, and scoring formation has showed up. In the ...
Farklı soğutucular kullanarak CPU'nun ısı boruları ile soğutulması
(Türk Isı Bilimi Ve Tekniği Derneği, 2009)
Bu çalışma, bilgisayarların soğutulmasında ısı borularının etkin kullanılması ile ilgili yapılan teorik bir çalışmadır. Soğutucu akışkan ısı kaynağından (Central Processing Unit – CPU’dan) ısıyı absorbe eder. Evaporatörde ...
Elektro-erozyon ile işlemede işleme haznesine uygulanan titreşimlerin işleme performansına etkilerinin incelenmesi
(2011)
Bu çalısmada, elektro-erozyon ile islemede (EEİ), isleme kosullarında isleme haznesine uygulanan titresimlerin performans çıktıları (isparçası isleme hızı, elektrot asınma hızı, bağıl asınma ve isparçası yüzey pürüzlülüğü) ...
Exergy destruction analysis of a gas turbine power plant
(Hitit Üniversitesi Fen Bilimleri Enstitüsü, 2018)
According to the data released by “Republic of Turkey-the Ministry of Energy and Nat ural Resources”, by the end of July 2017, 34% of the electricity of Turkey was produced from natural gas. As it is compared to ...
Numerical investigation of heat transfer using impinging jets on triangular and square ribbed roughened walls
(Turkish Society for Thermal Science and Technology, 2017)
This paper presents a heat removal study on triangular and square ribbed surfaces under an array of impinging air jets. The investigation was carried out using nozzles with a 7x3 rectangular array of circular jets. The ...
Second law analysis of different refrigerants in a two stage vapor compression cycle
(Turkish Society for Thermal Science and Technology, 2015)
In this study, the second law analysis has been made by means of the program developed using the software program EES (EES-V9.172-3D) in a two stage vapor-compression refrigeration cycle for the refrigerants such as R600 ...
Comparison of superheating effect of water as a refrigerant with the other refrigerants
(2011)
The performance comparison of water as a refrigerant (R718) with some refrigerants including R717, R290, R134a, and R152a is presented for a vapor compression refrigeration cycle. A computer program simulating the vapor ...