Ara
Toplam kayıt 595, listelenen: 81-90
Investigation of irreversibilities in the compression process for alternative refrigerants in a vapor compression refrigeration cycle
(2008)
Irreversibility analyses during compression process are presented for some refrigerants namely, R290, R134a, R12, R22, and R152a in a vapor compression refrigeration cycle. The effects of evaporator temperature, condenser ...
Elastoplastic stress analysis of functionally graded disc under internal pressure-complas XII
(2013)
The study deals with elastoplastic stress analysis of a hollow disk made of functionally graded materials (FGMs) subjected to an internal pressure. The material properties of disc are assumed to vary radially according to ...
Design of sma based actuators used in robotics
(2013)
This work introduces to Shape Memory Alloy (SMA) using in Robotics as actuators. We investigated a quadruped platform actuated by SMAs which act with variable elasticity. SMAs ought to prove necessary forces for all gaits. ...
Carbon nanotube based polyvinylalcohol-polyvinylpyrolidone nanocomposite hydrogels for controlled drug delivery applications
(Eskişehir Teknik Üniversitesi, 2017)
Controlled drug release systems present a significant alternative to the conventional drug dosages providing drug release for prolonged time periods. Nanocomposite hydrogels offer an important potential for drug release ...
Mechanochemical activation of sodium geopolymers containing carbon-nano powder
(Gazi Üniversitesi, 2017)
Mekanokimyasal aktivasyon için 9 veya 18 mol karbon nano-tozlar içeren iki farklı sodyum geopolymer iyi bilinen geopolymer yöntemi ile hazırlanmıştır. 9 mol karbon, geopolimer üretimi aşamasında geopolimer reçineye dahil ...
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 ...
Geliştirilmiş elektrik iletkenliğine sahip POT/Na-Feldispat iletken kompozitlerinin sentezlenmesi ve karakterizasyonu
(Dicle Üniversitesi, 2017)
Bu çalışmada iletken POT/Sodyum Feldispat kompoziti in-situ kimyasal polimerizasyon yöntemi ile hazırlandı. Sodyum Feldispat partikülleri varlığında asidik sulu ortamda hazırlanan kompozitin iletkenliği ve %POT verimi ...
DistaloyAB tozundan üretilmiş ve elmas nanoparçacık katkılı krom kaplanmış toz metal malzemelerin korozyon davranışlarının araştırılması
(Gazi Üniversitesi, 2017)
Bu çalışmada; iki farklı kimyasal bileşimdeki DistaloyAB tozlarından üretilen numunelere uygulanan nanoelmas ilaveli krom elektrokaplama işleminin numunelerin mikroyapı ve korozyon davranışına etkisi incelenmiştir. % 0,2 ...
The Effects of iso-propanol and n-heptane Fuel Blends on HCCI combustion characteristics and engine performance
(2015)
In this study, the effects of iso-propanol fuel blends were investigated on HCCI combustion and engine performance. The variations of cylinder pressure, heat release rate, start of combustion and engine performance were ...
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 ...