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Toplam kayıt 119, listelenen: 21-40
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Çelik tencerelerde taban olarak bakır (Cu) veya alüminyum (Al) kullanılması durumunda gerilme ve şekil değişimlerinin incelenmesi
(2004)Katmanlı bir yapıda, metal plakanın bir tarafı düzensiz olarak ısıtılırken diğer tarafında düzgün bir sıcaklık dağılımına ulaşmak istendiğinde ( çakma tabanlı tencerelerde olduğu gibi) katmanlı yapının kalınlıkları üzerinde ... -
Çift bazlı katı roket yakıtının ekstrüzyon işlemiyle şekillendirmesinin sonlu eleman metoduyla modellenmesi
(2007)Bu çalışmada çift bazlı katı roket yakıtlarının üretimlerinde önemli bir aşamayı oluşturan ekstrüzyonla şekillendirme safhasının, Ansys sonlu eleman benzetim paketi yardımıyla 3-boyutta modellemesi gerçekleştirilmiştir. ... -
Data extraction from CAD model for rotational parts to be machined at turning centres
(Scientific and Technical Research Council of Turkey, Ankara, Turkey, 1999)Among the most important data produced and stored is product data. CAD data forms one of many contributors to product data. Although in most circumstances CAD data can be processed within the CIM environment by integrated ... -
Derivation of empirical equations for thermodynamic properties of a ozone safe refrigerant (R404a) using artificial neural network
(Pergamon-Elsevier Science Ltd, 2010)This study, deals with the potential application of the artificial neural networks (ANNs) to represent PVTx (pressure-specific volume-temperature-vapor quality) data in the range of temperature of 173-498 K and pressure ... -
Design of a robot-assisted exoskeleton for passive wrist and forearm rehabilitation
(Copernicus Gesellschaft Mbh, 2019)This paper presents a new exoskeleton design for wrist and forearm rehabilitation. The contribution of this study is to offer a methodology which shows how to adapt a serial manipulator that reduces the number of actuators ... -
Design optimization of cutting parameters when turning hardened AISI 4140 steel (63 HRC) with Al2O3+TiCN mixed ceramic tool
(Elsevier Sci Ltd, 2007)Due to their high hardness and wear resistance, Al2O3-based ceramics are one of the most suitable cutting tool materials for machining hardened steels. However, their high degree of brittleness usually leads to inconsistent ... -
Designing of a powder compressing device with vibration and investigation of compressibility of MgO powders with this device
(Elsevier Sci Ltd, 2007)One of metal matrix composite (MMC) production methods is infiltration of liquid metal into preformed reinforcement. In this method, MMCs are produced by infiltration of liquid metal into preformed reinforcement using one ... -
Detection of defects in a cantilever beam using modal test data
(2004)Bu çalışmanın amacı çatlaklı kirişlerde hasar yeri ve derinliği hakkında bilgi edinmektir. Bu amaçla kirişte darbe vuruşu sonucu oluşan titreşimler incelenmiştir. Hasarlı ve hasarsız kirişlerden elde edilen sinyal hem zaman ... -
Determination of physical faults in gearbox through vibration analysis
(2003)Gears are important machine elements that provide motion or power transmission. Accuracy and quality of work done is directly related to the continuous motion transmission in a machine. Therefore, the determination of ... -
Determination of residual stresses based on heat treatment conditions and densities on a hybrid (FLN2-4405) powder metallurgy steel using artificial neural network
(Elsevier Sci Ltd, 2007)This paper presents a new approach based on artificial neural networks (ANNs) to determine the residual stresses in PM steel based nickel (FLN2-4405). This study consists of two cases: (i) The experimental analysis: The ... -
Determination of rolling element bearing defects through vibration analysis
(2003)Determination of rolling element bearing defects through the available vibration analysis method is studied in this paper. Rolling element bearing defect vibrations, vibration measurement and their analysis is briefly ... -
Düz Dişli Çark Sistemindeki Aşınma Hatasının İstatistiksel Proses Kontrol Metodu İle Belirlenmesi
(2014)Titreşim analizi, makine elemanları ve yapılarda oluşan arızalar hakkında bilgi edinmede yaygın bir şekilde kullanılan erken uyarıcı metotlarının başında gelmektedir. Bu yöntemde, titreşim analiz sonuçları sinyal işleme, ... -
Düz dişlilerdeki aşınma ve kırık diş hatalarının tespit edilmesinde titreşim verileri kullanılarak istatistiksel proses kontrol uygulaması
(2018)Dişli çarklar güç ve hareket iletimi için endüstrinin her alanında, değişik ortam ve koşullarda kullanılanmakine elemanlarıdır. Makinelerin bu önemli elemanlarının zorlayıcı şartlar altında çalışması sonucu,dişilerde ... -
Düz güneş enerjisi toplayıcılarında yutucu plakada oluşan ısı transferinin parametrik analizi
(2006)Güneş enerjisi uygulamalarındaki artışa paralel olarak, güneş enerjisinin faydalı ısı enerjisine dönüştürüldüğü düz güneş enerjisi toplayıcılarından ısı transferinin verimli olarak gerçekleştirilmesinin önemi giderek ... -
The effect of different fiber reinforcement on the thermal and mechanical properties of autoclaved aerated concrete
(Elsevier Sci Ltd, 2016)In this study, the changes in thermal conductivity value, compression and flexural strength of autoclaved aerated concrete were investigated experimentally by adding polypropylene, carbon, basalt and glass fibers into the ... -
The effect of ethanol-gasoline blends on performance and exhaust emissions of a spark ignition engine through exergy analysis
(Pergamon-Elsevier Science Ltd, 2017)Ethanol which is considered as an environmentally cleaner alternative to fossil fuels is used on its own or blended with other fuels in different ratios. In this study, ethanol which has high octane rating, low exhaust ... -
Effect of Infiltration Pressure on Thermal Conductivity of Al 2014 Matrix Composite Powered by Silicon Carbide
(Asian Journal Of Chemistry, 2012)By using pressure infiltration method, metal matrix composites are produced by saturating Al 2014 aluminum composite to the gaps among SiC powders. SiC powders filled into stainless steel tubes are fastened between the ... -
Effect of relative humidity on solar potential
(Elsevier Sci Ltd, 2005)In this study, the effect of relative humidity on solar potential is investigated using artificial neural-networks. Two different models are used to train the neural networks. Meteorological and geographical data (latitude, ... -
The Effect of Solid Boriding Time on the Structure, Hardness and Corrosion Properties of AISI 5140 Steel
(MAIK NAUKA/INTERPERIODICA/SPRINGER, 2020)In this study, AISI 5140 steel samples were borided in an electrical furnace at a temperature of 950 degrees C for 4, 6 and 8 h. Structural examinations, hardness measurement and corrosion tests were performed to determine ... -
The effect of stacking sequence of carbon epoxy composite laminates on pinned-joint strength
(Elsevier Sci Ltd, 2003)In this paper, an experimental study regarding the determination of the safe as well as the maximum bearing strengths of a pinned-joint carbon epoxy composite laminate with [0degrees/45degrees/-45degrees/90degrees]s and ...