Başlık için Makale Koleksiyonu listeleme
Toplam kayıt 144, listelenen: 21-40
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A comparative study of lubricated friction and wear behaviour of Al-25Zn-3Cu-3Si bearing alloy
(Sage Publications Ltd, 2014)Lubricated friction and wear behaviour of Al-25Zn-3Cu-3Si alloy was investigated on a block-on-disc test machine in comparison with 60/40 brass and SAE 65 bronze. T6 heat treatment increased the hardness, strength and wear ... -
Comparative study of mathematical and experimental analysis of spark ignition engine performance used ethanol-gasoline blend fuel
(Pergamon-Elsevier Science Ltd, 2007)This study consists of two cases: (i) The experimental analysis: Ethanol obtained from biomass can be used as a fuel in spark ignition engines. As renewable energy source ethanol, due to the high octane number, low emissions ... -
A comparative study on cutting tool performance in end milling of AISI D3 tool steel
(Elsevier Science Sa, 2005)In this work, high speed end milling of AISI D3 cold-work tool steel hardened to 35 HRC was investigated using coated carbide, coated cermet, alumina (Al2O3) based mixed ceramic and cubic boron nitride (CBN) cutting tools. ... -
A comparative study on the stress intensity factor of carbon epoxy composite plates having central holes
(2000)Makalede standart olmayan ince kompozit levhaların gerilme şiddeti faktörlerinin (GŞF) hesaplanmasıyla ilgili karşılaştırmalı bir çalışma sunulmaktadır. Çalışmada Karbon-Epoksi kompozit levhalar kullanılmıştır. Çentiksiz ... -
Computational Fluid Dynamics Investigation of Brush Seal Leakage Performance Depending on Geometric Dimensions and Operating Conditions
(Asme, 2016)Brush seals require custom design and tailoring due to their behavior driven by flow dynamic, which has many interacting design parameters, as well as their location in challenging regions of turbomachinery. Therefore, ... -
Computational Fluid Dynamics Investigation of Labyrinth Seal Leakage Performance Depending on Mushroom-Shaped Tooth Wear
(Asme, 2016)Conventional labyrinth seal applications in turbomachinery encounter a permanent teeth tip damage and wear during transitional operations. This is the dominant issue that causes unpredictable seal leakage performance ... -
Computer aided modelling of flexible forming process
(Elsevier Science Sa, 2004)Flexible forming enables the production of sheet metal parts with complex contours and bends by utilising a flexible medium, such as natural or synthetic rubber, as one half of a conventional die set. This study is concerned ... -
A computer simulation for estimating lower bound fracture strength of composites using Weibull distribution
(Elsevier Sci Ltd, 2004)Estimating confidence lower bound for fracture strength of composites is a key concern in design and manufacture, and the Weibull distribution has been widely used for this purpose. Previous simulation-based studies presented ... -
Çatlaklı dairesel eğri kompozit kirişlerin titreşim analizleri
(2018)Günümüzde, kompozit malzemelerden imal edilen kirişler özellikle havacılık ve otomotiv endüstrisinde en önemli yapı elemanlarından birisi olarak yer almaktadır. Bu kirişler sadece düz olarak değil eğri şekilde de ... -
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 ...