Güncel Gönderiler: Mühendislik Fakültesi
Toplam kayıt 1013, listelenen: 341-360
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An investigation of the factors that influence online learners' satisfaction with the learning experience
(Springer, 2023)Online learning environments offer flexibility for learners who would like to study at a distance. However, research informs us that online learners are usually less likely to complete the learning experience and more ... -
Study of early-age performance of cementitious backfills with alkali activated slag under internal sulfate attack
(Elsevier, 2023)The vulnerability to internal sulfate attack of calcium-rich ordinary Portland cement (OPC) and its relative high cost force mines to explore technically effective and low cost alternative binders to solidify sulfate-containing ... -
A data-driven predictive maintenance model to estimate RUL in a multi-rotor UAS
(Sage Publications, 2023)Unmanned Aircraft Systems (UAS) has become widespread over the last decade in various commercial or personal applications such as entertainment, transportation, search and rescue. However, this emerging growth has led to ... -
Thermodynamic performance analysis of a low-cost, recycled and energy-efficient solar air heater with waste beverage cans: an experimental research
(Springer, 2023)Solar air heaters are at the centre of interest owing to their widespread use for various purposes. In the study, thermal performance analysis of a solar air heater that can be easily produced from daily waste materials ... -
Effect of case depths on corrosion properties of hard anodic oxidized A356 aluminum alloy
(World Stientific Publishing, 2023)In this work, A356 alloy samples having a dimension of 4x20x20mm were coated by hard anodic oxidation method at eight different thicknesses up to similar to 80 mu m. The sample surfaces and longitudinal section of these ... -
Progress into lithium-ion battery research
(Sage Publications, 2023)Lithium-ion batteries have transformed our lives and are now found in everything from mobile phones to laptop computers and electric cars. In lithium-ion batteries, an adequate electrolyte was developed using a winding ... -
Performance comparison of wireless body area network protocol with dual carrier modulations
(Springer, 2023)Wireless body area networks are communication networks between the sensors and hubs in-body, on-body and out-body. IEEE 802.15.6 protocol has been developed for such networks. In this study, modulation techniques proposed ... -
Automatic generation controller based on whale optimization algorithm in PV-thermal power systems
(Gazi Üniversitesi, 2023)To ensure a balance between the power generated and the consumed power in power systems, a control process namely automatic generation control (AGC) must be carried out. This process becomes more challenging due to increasing ... -
A hybrid BCI using singular value decomposition values of the fast walsh-hadamard transform coefficients
(IEEE, 2023)One of the main goals of a brain computer interface (BCI) is to enable a communication channel between the brain and electronic devices by converting neural activity into control commands either for devices or applications. ... -
Research of the impact of material and flow properties on fluid-structure interaction in cage systems
(Techno-Press, 2023)This paper investigates the mechanical behavior of full-scale offshore fish cages under hydrodynamic loads. To simulate different cases, different materials were used in the fish cage and analyzed under different flow ... -
Numerical simulation of the total hip prosthesis under static and dynamic loading (for three activities)
(Techno-Press, 2023)This study aims to simulate the mechanical behavior of the total prosthesis model of Charnley (CMK3) by the 3D finite element method and to determine the state of the stresses in the femoral components (prosthesis, cement, ... -
Vibration and buckling analyses of FGM beam with edge crack: Finite element and multilayer perceptron methods
(Techno-Press, 2023)This study represents a numerical research in vibration and buckling of functionally graded material (FGM) beam comprising edge crack by using finite element method (FEM) and multilayer perceptron (MLP). It is assumed that ... -
Experimental and statistical analysis of the effects of punching and laser cutting methods on induction motor efficiency and total magnetic losses in silicon lamination sheets
(Elsevier, 2023)In this study, M400-50A electrical steel laminations (ESLs) used in electrical machines were cut with punching and laser methods and the effect of these cutting methods on the efficiency and total losses of induction motors ... -
Thermal insulation and mechanical properties of a specially improved insulation plaster under freezing-thawing and high-temperature conditions
(Oxford University Press, 2023)In this study, the effects of heat preservation and the resistance to environmental conditions of ready-made insulating sludge used in the interior and exterior facades of the buildings were investigated. The insulation ... -
Investigation of the effect of different power degree NdFeB magnets used in interior permanent magnet brushless direct current motor (IPMBLDC) on motor performance
(Gazi Üniversitesi, 2023)Purpose: In this study, it is aimed to determine the effects of magnets used in BLDC motors on the motor performance of NdFeB type magnets with different power densities at different temperatures. Theory and Methods: The ... -
Performance evaluation of different carbide inserts in turning of newly developed Al-12Si-0.1Sr alloyLeistungsbewertung verschiedener Hartmetalleinsatze beim Drehen einer neu entwickelten Al-12Si-0.1Sr-Legierung
(Wiley, 2023)An Al-12Si-0.1Sr alloy ingot was manufactured using a permanent mold casting technique. The microstructure and mechanical properties of this alloy were researched. Effects of different cutting conditions (cutting speed-V: ... -
Çay atığı biyokütlesinden türetilen yenilenebilir karbon ile silisyum altlık üzerine PN eklemi uygulaması
(Pamukkale Üniversitesi, 2023)Bu çalışmada fosil kaynaklı karbon yerine yenilenebilir, çevreci ve sürdürülebilir karbon kaynağı olarak çay atığı biyokütlesinden yarı iletken teknolojisine uygun P-tipi karbon geliştirilmiş ve N-tipi silisyum bir altlık ... -
Optimization of transformer parameters at distribution and power levels with hybrid Grey wolf-whale optimization algorithm
(Elsevier, 2023)Oil-type transformers (OTT) are used more than dry-type transformers, based on cost in the transmission and distribution of electrical energy. Therefore, this usage density increases the importance of cost in OTT. Weight ... -
Determination of the performance parameters of a gearless direct-drive inner-rotor PMBLDC motor via different slot-magnet combinations
(Springer, 2023)This study primarily includes the electromagnetic and parametric design and performance analysis of a gearless direct-drive permanent magnet brushless direct current motor (IPMBLDC-DD) with an inner-rotor structure designed ... -
Novel binder material in geopolymer mortar production: Obsidian stone powder
(Wiley, 2023)This paper presents the results of mechanical and micro-structural properties of geopolymer mortars with obsidian, ground granulated blast furnace slag, and metakaolin. In this study, 13 different combinations were created ...
