Güncel Gönderiler: Fakülteler
Toplam kayıt 2010, listelenen: 121-140
-
Exploring the Impact of Lanthanum on Sodium Manganese Oxide Cathodes: Insight into Electrochemical Performance
(Wiley, 2024)This investigation focuses on nominally La-doped Na0.67MnO2, exploring its structural, electrochemical, and battery characteristics for Na-ion batteries. X-ray diffraction analysis reveals formation of composite materials ... -
Design, Synthesis, and Theoretical Studies on the Benzoxadiazole and Thienopyrrole Containing Conjugated Random Copolymers for Organic Solar Cell Applications
(Wiley, 2024)In this study, six different donor-π-acceptor1-π-donor-acceptor2 type random co-polymers containing benzodithiophene as a donor, benzooxadiazole (BO), and thieno[3,4-c]pyrrole-4,6-dione (TPD) as acceptor, have been synthesized ... -
Comparison of energy and exergy analysis of fuzzy logic and power follower control strategies in fuel cell electric vehicles
(Elsevier, 2024)With the increasing importance of green energy, traditional vehicles are being gradually replaced by hybrid electric vehicles, electric vehicles, and fuel cell electric vehicles (FCEVs), all of which emit minimal to no ... -
Enhanced CO2 Adsorption Capacity in Highly Porous Carbon Materials Derived from Melamine-Formaldehyde Resin
(American Chemical Society, 2024)The present study explores the synthesis of N-doped carbon materials with large surface porosity using commercial melamine-formaldehyde resin as the precursor and KOH as the activator. The resin was carbonized first and ... -
Exploring beta irradiation responses in Sr 2+-Doped hydroxyapatite: A thermoluminescence study
(Elsevier, 2024)This research investigates the structural and thermoluminescence (TL) properties of Sr2+-doped Ca5(PO4)3OH (HAp) phosphors. X-ray diffraction (XRD) analysis confirms that HAp has a hexagonal structure with a P63/m space ... -
Flight control system design of UAV with wing incidence angle simultaneously and stochastically varied
(Emerald Publishing, 2024)PurposeThis study aims to simultaneously and stochastically maximize autonomous flight performance of a variable wing incidence angle having an unmanned aerial vehicle (UAV) and its flight control system (FCS) design.Des ... -
Improved mechanical and fire-retardant properties of fiber-reinforced composites manufactured via modified resins and metallic thin films
(Springer, 2024)Fiber-reinforced polymeric composites have been extensively used in different industrial applications because of their excellent mechanical and other properties but have lower tolerance levels for fire and lightning damage. ... -
Simulational energy analyses of different transmission (automated manuel transmission vs continuously variable transmission) selection effects on fuel cell hybrid electric vehicles’ energetic performance
(Elsevier, 2024)In recent years, the adoption of alternative fuels and hybrid vehicles has necessitated radical changes to meet the energy needs of the automotive sector. Hybrid electric vehicles are used as a perfect step between traditional ... -
An effective MPPT control based on machine learning method for proton exchange membrane fuel cell systems
(Elsevier, 2024)This study proposes a machine learning-based maximum power point tracking method for fuel cell systems. Initially, a Matlab model was developed to accurately represent the behaviour of a proton exchange membrane fuel cell. ... -
Enhancing the thermal and mechanical properties of sulfonated peek fiber composites with reduced smoke density and toxicity
(Wiley, 2024)Polyether ether ketone (PEEK) sulfonation process is a reasonably easy but time-consuming to manufacture composites. This study focuses on altering PEEK powder in a sulfuric acid solution via a sulfonation process to develop ... -
Microstructural characterization and high-temperature wear behavior of refractory niobium-carbide growth in intermetallic iron-aluminide coatings
(Elsevier, 2024)Iron-aluminide (Fe-Al) intermetallics are characterized by their high-temperature oxidation resistance. However, their use in tribo-corrosive environments is limited due to their low hardness and brittle nature. To overcome ... -
Directly power system harmonics estimation using Equilibrium Optimizer
(Elsevier, 2024)In power systems, the frequency values of current and voltage signals are expected to be at the fundamental frequency. Harmonic components may occur due to the effect of non-linear loads. Accurate estimation of harmonic ... -
A comparative study on ensemble soft-computing methods for geothermal power production potential forecasting
(Elsevier, 2024)Many developed countries are increasingly interested in renewable energy sources (RESs) as a result of environmental changes and the depletion of fossil fuels in recent years. Since geothermal energy can be used as both a ... -
Adaptive DC-Voltage control based on Type-2 neuro-fuzzy controller in a hybrid stand-alone power network with hydrogen fuel cell and battery
(Elsevier, 2024)Today, hydrogen fuel cells (HFCs) have become very popular in various applications because of their ability to be a clean energy source. One of the difficulties associated with HFCs is their sluggish response to variations ... -
Oxidation resistance of aluminized refractory HfNbTaTiZr high entropy alloy
(Elsevier, 2024)In the present study, an equimolar HfNbTaTiZr refractory high entropy alloy was subjected to powder-pack aluminizing at 950°C for 4 h. High-temperature isothermal oxidation tests were carried out in open air on both as-cast ... -
Effect of dietary mannan oligosaccharide inclusion on production parameters of Farfantepenaeus aztecus cultured in a biofloc system
(Wiley, 2024)The effects of dietary mannan oligosaccharide (MOS) supplementation in a biofloc system on growth performance, whole-body proximate composition, whole-body fatty acids, nonspecific immune parameters, antioxidant enzyme ... -
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 ...