Mühendislik ve Doğa Bilimleri Fakültesi: Recent submissions
Now showing items 81-100 of 1307
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Analysis of AgNPs@AuNPs/GO's Impact on Water-Based Drilling Muds and Comparison with Graphane, GO, AuNPs/GO's Effects: Labs Research
(Institute of Physics, 2024)We investigateed the effect of AgNPs@AuNPs/GO on the rheological and filtration properties of sodium-bentonite water based drilling muds (Na-bentonite WBDM) and compared the possible effects of graphene, graphene oxide ... -
Several Symmetric Identities of the Generalized Degenerate Fubini Polynomials by the Fermionic p-Adic Integral on Zp
(Multidisciplinary Digital Publishing Institute (MDPI), 2024)After constructions of p-adic q-integrals, in recent years, these integrals with some of their special cases have not only been utilized as integral representations of many special numbers, polynomials, and functions but ... -
Experimental and Numerical Investigation of Macroencapsulated Phase Change Materials for Thermal Energy Storage
(Multidisciplinary Digital Publishing Institute (MDPI), 2024)Among the different types of phase change materials, paraffin is known to be the most widely used type due to its advantages. However, paraffin's low thermal conductivity, its limited operating temperature range, and leakage ... -
Optimum Heat Treatment Conditions Determination for Mg-Diffused MgB2
(Polska Akademia Nauk, 2024)MgB2 superconducting pellets were synthesized by the Mg diffusion method. Different heat treatment temperatures and times were applied for synthesis to determine optimum conditions. The phase structure of the samples was ... -
Semi-Empirical and Theoretical Calculation of L1, L2, and L3 Subshell Fluorescence Yields
(Elsevier, 2024)In this study, semi-empirical L-1 subshells fluorescence yields (omega(L1)) were calculated from the available experimental data covering the period from 1955 to 2022 for elements with 28 <= Z <= 96 for L-1 subshell, and ... -
Data-driven surrogate modeling of dielectric reflectarray antenna using 3D printing technology for X band applications
(Wiley, 2024)Reflectarray (RA) antennas are gaining recognition as a high-performance alternative for antenna design. They combine the functionalities of standard parabolic reflectors and phased array antennas without a feed network. ... -
Liquefaction-induced ground and building interactions in İskenderun from the 2023 Kahramanmaraş earthquake sequence
(SAGE Publications, 2024)Significant and widespread liquefaction occurred in & Idot;skenderun during the 2023 moment magnitude (Mw) 7.8 Kahramanmara & scedil; earthquake. Liquefaction effects on buildings were observed in several areas of & ... -
Mechanical Characterization and Strain Analysis Applied to the Heat Treatment of Wood Materials, by Means of Digital Image Correlation
(North Carolina State University, 2024)Digital image correlation (DIC) was used to examine the strain distribution of heat -treated beech and Uludag fir woods in mechanical testing. It also evaluated the effects of the heat treatment process on the properties ... -
Challenges and opportunities in the production of magnesium parts by directed energy deposition processes
(KeAi Communications Co., 2024)Mg-alloys have gained considerable attention in recent years for their outstanding properties such as lightweight, high specific strength, and corrosion resistance, making them attractive for applications in medical, ... -
A fast and robust sliding mode controller for automatic voltage regulators in electrical power systems
(Elsevier, 2024)In this paper, a fast and robust sliding mode controller (SMC) based on a novel multi-variable sliding function is proposed for Automatic Voltage Regulators (AVRs) in electrical power systems. Lyapunov stability theorem ... -
Ballistic behaviour of hybride carbon/basalt fiber reinforced epoxy-hBN composite
(SAGE Publications, 2024)Ballistic behaviours of hybrid composite armors were investigated through experiments. The effects of hexagonal boron nitride (h-BN) nanopowders and number of layers on ballistic performance were examined. Four types of ... -
Broadband multi-layered stepped cone shaped metamaterial absorber for energy harvesting and stealth applications
(Wiley, 2024)In this study, a broadband polarization and angle-independent metamaterial absorber (MA) is investigated in the microwave range. It is made up of a periodic array of multi-layered metal-dielectric stepped cones. Since the ... -
Intelligent Sinter Machine Speed Control System Using Optimized Fuzzy Logic Controller: An Experimental Study in Iron and Steel Plant
(Springer, 2024)Intelligent control systems developed for production facilities significantly contribute to production efficiency and quality. Using intelligent control systems has now become a necessity in iron and steel sintering plants ... -
A New Perspective for Early Detection of Bone Tumour: Metamaterial-Based Antenna Solution
(Springer, 2024)Bone tumours are a complex group of pathological conditions that can occur in any region of the bones and are classified as benign or malignant. Osteosarcoma is the most common primary bone malignancy and is divided into ... -
Mechanical and radar absorption properties of sheep wool/epoxy composites
(Emerald Publishing, 2024)Purpose: The aim of this study is to determine the fracture behavior of wool felt and fabric based epoxy composites and their responses to electromagnetic waves. Design/methodology/approach: Notched and unnotched tensile ... -
Effect of the incorporating of refractory NbC precipitates in intermetallic iron-aluminide coatings on corrosion and high-temperature oxidation behavior
(Elsevier, 2024)This study aims to investigate the effects of growing niobium carbide (NbC) particles into intermetallic iron-aluminide (FeAl) coatings on ductile cast iron (SGI) by thermo-reactive diffusion technique (TRD). The study ... -
A low-profile circularly polarized cavity-based waveguide aperture antenna
(Wiley, 2024)This article proposes a new design of a circularly polarized (CP) aperture antenna based on a dual-mode rectangular waveguide cavity-resonator. A capacitive iris is employed to attain a strong coupling between the cavity ... -
Anti-Inflamatory Activities of Novel Chalcone Derivatives
(Pleiades Publishing, 2024)Objective: Design and synthesis of two chalcone derivatives, evaluation of their anticancer and antiinflamatory activities. Methods: The ring-closure through an intramolecular Friedel-Crafts reaction followed by an ... -
Assessing the Efficacy of Graphene, Graphene Oxide, and Graphene Oxide Encrusted with Gold Nanoparticles for Sulfur Removal from Crude Oil: An Innovative Experimental Investigation
(Institute of Physics, 2024)Crude oil, consisting of hydrocarbons, is the leading global energy source. Sulfur is the most abundant element after carbon and hydrogen in the structure of crude oil. Sulfur and sulfur compounds in the structure of ... -
The Generalized Fractional-Order Fisher Equation: Stability and Numerical Simulation
(Multidisciplinary Digital Publishing Institute (MDPI), 2024)This study examines the stability and numerical simulation of the generalized fractional-order Fisher equation. The equation serves as a mathematical model describing population dynamics under the influence of factors such ...
