Güncel Gönderiler: Mühendislik Fakültesi
Toplam kayıt 210, listelenen: 121-140
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Using support vector machine for the prediction of unpaid credit card debts
(Springer Verlag, 2020)Customer behavior prediction is gaining more importance in the banking sector like in any other sector recently. This study aims to propose a model to predict whether credit card users will pay their debts or not. Using ... -
Drilling process and resulting surface properties of Inconel 718 alloy fabricated by selective laser melting additive manufacturing
(Elsevier B.V., 2020)One of the challenges is to produce holes with expected dimensional accuracy in metal additive manufacturing. Although post-processing is usually carried out for the additively manufactured components but improving the ... -
Design alternatives for internationally distributed learning factories in global production engineering
(Elsevier B.V., 2020)An internationally distributed learning factory (IDLF) provides opportunities to make students aware of intercultural challenges in global production networks. An IDLF is a scalable network of learning factories with value ... -
Using machine learning techniques to develop prediction models for detecting unpaid credit card customers
(IOS Press BV, 2020)Customer behavior prediction is gaining more importance in the banking sector like in any other sector recently. This study aims to propose a model to predict whether credit card users will pay their debts or not. Using ... -
Heat treatment temperature-induced microstructure, microhardness and wear resistance of inconel 718 produced by selective laser melting additive manufacturing
(Elsevier GmbH, 2021)Additive manufacturing (AM) has been becoming more widespread and its usage area has been increasing in various industries. However, the mechanical and microstructural properties of the metal parts fabricated by additive ... -
An experimental investigation into frost accumulation over vertical finned and unfinned surfaces during impinging air flow
(American Society of Mechanical Engineers, 2020)Frost formation on evaporators negatively affects the cooling performance of refrigerators. It increases the thermal resistance between the refrigerant and air leading to a reduction in the system cooling capacity. In this ... -
Rapid heating and cooling chamber for a photonics junction measurement system
(IEEE Computer Society, 2020)Since many industrial applications require heat treatment processes or validation tests under certain ambient temperatures, thermal design is a key issue to be considered in order to ensure fast heating and cooling ... -
A review on the mechanical properties of natural fiber-reinforced composites
(Springer Science and Business Media Deutschland GmbH, 2021)Natural fibers have drawn attention from the researchers and engineers in recent years due to their mechanical properties comparable to the conventional synthetic fibers and due to their low cost, eco-friendliness, and ... -
Buckling analysis and stacking sequence optimization of symmetric laminated composite plates
(Springer Science and Business Media Deutschland GmbH, 2021)Symmetric laminated composite plates are frequently used in structural design due to their high strength to weight ratio. The stacking sequence of these laminates is known to have a major impact on the performance of these ... -
An experimental study on the heat transfer and wettability characteristics of micro-structured surfaces during water vapor condensation under different pressure conditions
(Elsevier Ltd, 2021)In this study, condensation characteristics of water vapor on micro-structured surfaces at different pressures and subcooling temperature has been investigated experimentally. This work represents a basic study in order ... -
The effect of SSI and impulsive motions on optimum active controlled MDOF structure
(Springer Science and Business Media Deutschland GmbH, 2021)In this study, active controlled ten-story structures including soil-structure interaction (SSI) are investigated under different type of ground motions (near-fault and far ground motions) defined in FEMA P-695 to show the ... -
Improving customer experience for an internet service provider: a neural networks approach
(Springer, 2021)Today one of the challenges of companies is to decrease call center costs while improving the customer experience. In this study, we make prediction and proactively take action in order to solve customer problems before ... -
Optimum active controlled SDOF structures under pulse-type ground motions via harmony search
(Springer Science and Business Media Deutschland GmbH, 2021)In this study, the active controlled single degree of freedom (SDOF) structures with 0.5, 1.0 and 2.0 s period are investigated under various pulse-type ground motions (1.5, 2.0, and 2.5 s) to optimally tune the parameters ... -
Investigating enablers to improve transparency in sustainable food supply chain using F-BWM
(Springer, 2021)Food Supply Chains (FSC) are complex and dynamic in behavior and prone to increasing risks of unsustainability. Consumers increasingly demand food quality, safety, and sustainability, which are fast becoming issues of great ... -
Novel metaheuristic-based tuning of PID controllers for seismic structures and verification of robustness
(Elsevier Ltd, 2021)In the present study, an active structural control using metaheuristic tuned Proportional-Integral-Derivative (PID) type controllers is presented. The aim of the study is to propose a feasible active control application ... -
Sparsity-driven synthetic aperture radar imaging [reconstruction, autofocusing, moving targets, and compressed sensing]
(Ieee-Inst Electrical Electronics Engineers Inc, 2014)This article presents a survey of recent research on sparsity-driven synthetic aperture radar (SAR) imaging.In particular, it reviews 1) the analysis and synthesis-based sparse signal representation formulations for SAR ... -
Effects of alumina (Al2O3) addition on the cell structure and mechanical properties of 6061 foams
(Cambridge Univ Press, 2013)In this study, a powder blend representing 6061 Al-alloy was first mixed with Al2O3 ceramic particles and then foamed by using the powder compact melting method. 6061-Al2O3 foams and control specimens 6061 foams (without ... -
Application of a pnCCD for energy-dispersive Lauc diffraction with ultra-hard X-rays
(Int Union Crystallography, 2015)In this work the spectroscopic performance of a pnCCD detector in the ultra-hard energy range between 40 and 140 keV is tested by means of an energy-dispersive Laue diffraction experiment on a GaAs crystal. About 100 Bragg ... -
GamSim - a windows-based simulation tool for Gamma-Ray detector development
(Ieee, 2016)After the introduction of radiation simulation tools such as Geant4 or EGS in nuclear and high energy physics, the use in applied fields like nuclear medicine becomes increasingly important and a number of extensions have ... -
Direct and indirect signal detection of 122 keV photons with a novel detector combining a pnCCD and a CsI(T1) scintillator
(Elsevier, 2016)By combining a low noise fully depleted pnCCD detector with a CsI(TI) scintillator, an energy-dispersive area detector can be realized with a high quantum efficiency (QE) in the range from below 1 keV to above 100 keV. In ...