Bölüm "Hitit Üniversitesi, Mühendislik Fakültesi, Makine Mühendisliği Bölümü" TR-Dizin İndeksli Yayınlar Koleksiyonu için listeleme
Toplam kayıt 11, listelenen: 1-11
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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 ... -
Comparative thermodynamic assessment of various super- and trans-critical working fluids for low temperature power generation applications
(Gazi Üniversitesi, 2017)Recently, energy need is exponentially increasing in the world while energy sources are decreasing rapidly. Therefore, this issue requires energy sources to be used more efficiently and urges professionals to utilize energy ... -
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 ... -
Çarpan akışkan jetleri kullanarak kanatçıklı yüzeyler üzerindeki akış alanının sayısal olarak incelenmesi
(Ahmet Yesevi Üniversitesi, 2017)Bu çalışmada, 7x3 olarak dikdörtgen dizilime sahip dairesel jetler kullanılarak üçgen ve kare kanatçık bulunan yüzeyler üzerine çarptırılması sonucu oluşan akış yapısı sayısal olarak incelenmiştir. Re sayısının, jet-plaka ... -
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 analysis of coil-spring turbulators inserted in the horizontal concentric tubes
(2010)In this study, to obtain definitive information about the effects of spring-type turbulators located in the inner pipe of a concentric heat exchanger, the rates of exergy transfer Nusselt number (Nue) and exergy loss (E*) ... -
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 ... -
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 ... -
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 ... -
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 ...