Erişim şekli için "info:eu-repo/semantics/closedAccess" Mühendislik ve Doğa Bilimleri Fakültesi listeleme
Toplam kayıt 689, listelenen: 1-20
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3-D real dam reservoir model for seasonal thermal density flow
(Gh. Asachi Technical University of Iasi, 2017)The efficient use of fresh water sources and proper modeling of the water quality can only be possible when flows in the dam reservoir are well defined. Therefore, in this study, a hydrodynamics model of an actual dam ... -
3D EM data driven surrogate based design optimization of traveling wave antennas for beam scanning in X-band: an application example
(Springer, 2022)In this paper, design and optimization of a microstrip elliptic traveling wave antenna (TWA) are presented for the beam scanning in X-band as an application of 3D data driven surrogate based design optimization technique. ... -
90° degrees Polarization rotator and antireflector using meanderline chiral metamaterials: Analytical and numerical approach
(Elsevier GmbH, 2015)We demonstrate theoretically and numerically a chiral slab that can exhibit optical activity, circular dichroism, and antireflection in detail. Copolar and crosspolar transmitted and reflected waves depending on permittivity, ... -
Absorbing the entire X-band via conductive polymer polyaniline coated Y3Fe5O12/NiFe2O4 hybrid composites
(Springer, 2023)Conductive polymer coated Y3Fe5O12 (YIG)/NiFe2O4 (NFO) hybrid radar absorbing composites were studied in this work. The magnetic YIG and NFO particles were synthesized by sol-gel method, and then covered with a conductive ... -
Accurate Modeling of Antenna Structures by Means of Domain Confinement and Pyramidal Deep Neural Networks
(Institute of Electrical and Electronics Engineers Inc., 2022)The importance of surrogate modeling techniques has been gradually increasing in the design of antenna structures over the recent years. Perhaps the most important reason is a high cost of full-wave electromagnetic (EM) ... -
Activated carbon adsorption behaviour of toluene at various temperatures and relative humidity
(Technical University of Wroclaw, 2019)Filtration plays a major role in managing the rapid increase of environmental pollution and deterioration of atmospheric air quality. One of the most damaging noxious gases in the atmosphere is toluene, which is a common ... -
Active/reactive energy control scheme for grid-connected fuel cell system with local inductive loads
(Pergamon-Elsevier Science, 2020)In the grid interconnection of fuel cells, local reactive loads connected to the electrical systems generate reactive power which deteriorates the power factor in the utility-grids. This situation causes energy losses, ... -
Adaptive neuro-fuzzy inference system combined with genetic algorithm to improve power extraction capability in fuel cell applications
(Elsevier, 2021)This study introduces an improved ANFIS based MPPT method to maximize the power extraction capability of the FC-connected system. The proposed method is tested in a stand-alone system that consists of an FC in the power ... -
Adaptive second order sliding mode guidance law for missile-target interception with fuzzy logic system
(SAGE Publications, 2023)This paper presents the design of a 3D missile guidance law based on a second order sliding mode control technique employing an adaptive tuning law and a fuzzy gain scheduling. At the outset, the super-twisting sliding ... -
Advancements and current technologies on hydrogen fuel cell applications for marine vehicles
(Elsevier, 2022)Maritime industry has led renewable energy sources for the greener environment and efficient vehicles that effect by increasing population and energy demands. Hydrogen is one of the most popular of these renewable energy ... -
Advances in FSW and FSSW of dissimilar Al-alloy plates
(Taylor and Francis Ltd., 2022)Numerous industrial applications, particularly those in the transport industry, require the joining of dissimilar materials which offers considerable benefits in terms of low cost, design flexibility, and weight reduction ... -
Alignment of transmitters in indoor visible light communication for flat channel characteristics
(Wiley, 2022)Visible light communication (VLC) systems incorporate ambient lighting and wireless data transmission, and the experienced channel in indoor VLC is a major topic that should be examined for reliable communication. In this ... -
Alkali activation of electric arc furnace slag: Mechanical properties and micro analyzes
(Elsevier, 2019)Research on sustainable concrete has drawn scientist's attentions on industrial by-products and wastes. Thus, consumption of raw materials would be diminished. In this study alkali activation of electric arc furnace slag ... -
Altering Electronic and Optical Properties of Novel Benzothiadiazole Comprising Homopolymers via π Bridges
(IOP Publishing, 2021)Four novel benzo[c][1,2,5]thiadiazole comprising monomers namely 5-fluoro-6-((2-octyldodecyl)oxy)-4,7-di(thiophen-2-yl)benzo[c][1,2,5]thiadiazole (TBTT), 5-fluoro-4,7-bis(4-hexylthiophen-2-yl)-6-((2-octyldodecyl)oxy)benz ... -
Alternative fuelled hybrid electric vehicle (AF-HEV) with hydrogen enriched internal combustion engine
(Elsevier, 2019)In this paper, hybrid electric vehicle (HEV) that powered by hydrogen (H-2) enriched internal combustion (ICE) engine was studied both simulation and experimental. As an alternative fuel, the usage of H-2 as additional ... -
An alternative pathway from hot dry rock to green hydrogen by organic Rankine cycle applications
(Elsevier, 2023)Some researchers have been focused on electricity generation using thermal energy extraction from HDRs via Organic Rankine cycles. This new research topic creates a new pathway to reach green hydrogen for countries that ... -
Amperometric galectin-3 immunosensor-based gold nanoparticle-functionalized graphitic carbon nitride nanosheets and core-shell Ti-MOF@COFs composites
(Royal Society of Chemistry, 2020)Antigen galectin-3 (GL-3), a member of beta-galactoside proteins indicates cardiac fibrosis and is a significant biomarker for monitoring heart failure risk and death risk. In this study, a novel sensitive amperometric ... -
An amplified voltammetric sensor based on platinum nanoparticle/polyoxometalate/two-dimensional hexagonal boron nitride nanosheets composite and ionic liquid for determination of N-hydroxysuccinimide in water samples
(Elsevier, 2020)In this study, a novel electrochemical method as a conductive voltammetric sensor for determination of N-hydroxysuccinimide was developed. The N-hydroxysuccinimide sensor was achieved by carbon paste electrode (CPE) amplified ... -
Analysing the performance, fuel cost and emission parameters of the 50 MW simple and recuperative gas turbine cycles using natural gas and hydrogen as fuel
(Elsevier, 2020)In the present study, firstly, the power production, thermal and exergy efficiencies were calculated for the simple and recuperative gas turbine cycles at constant power production (50 MW) and turbine outlet temperature ... -
Analysis and modeling of wireless power transfer supported by quadratic boost converter interfaced fuel cell power source
(Wiley, 2022)This study presents a novel wireless power transfer (WPT) system structure that transmits electrical energy from a fuel cell (FC) stack integrated with a quadratic boost converter (QBC). The main objective of the proposed ...