Başlık için Enerji Sistemleri Mühendisliği listeleme
Toplam kayıt 28, listelenen: 1-20
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Air-breathing polymer electrolyte fuel cells: A review
(Elsevier, 2023)Air-breathing polymer electrolyte fuel cells have become a promising power source to provide uninterrupted power for small electronic devices. This review focuses primarily on describing how the air-breathing PEFC performance ... -
Air-breathing versus conventional polymer electrolyte fuel cells: A parametric numerical study
(Elsevier, 2022)Two mathematical models have been built for air-breathing and conventional polymer electrolyte fuel cells to explore the reasons affecting the cell performance. A parametric study has been conducted to (i) investigate how ... -
ÇBAG kullanılan rüzgar türbinlerinin güç kontrol döngüsüne hassasiyet ve sağlamlık analizi uygulanması
(Dicle Üniversitesi, 2017)Bu makalede, çift beslemeli asenkron generatör (ÇBAG) kullanılan rüzgar türbinlerinin stator güç denklemleri kullanılarak güç kontrol modeli elde edilmiş ve kontrolünde iyileştirmeler sağlanmıştır. Genellikle, rotor ... -
Determination of natural line widths of Kα X-ray lines for some elements in the atomic range 50≤Z≤65 at 59.5 keV
(American Institute of Physics Inc., 2017)The semi-empirical determination of natural widths of K alpha X-ray lines (K alpha 1 and K alpha 2) were performed for Si), Sb, Te, I, Ba, La, Ce, Pr, Nd, Sm, Eu, Gd and Tb. For the semi-empirical determination of the line ... -
A dynamic model of air-breathing polymer electrolyte fuel cell (PEFC): A parametric study
(Elsevier, 2021)A dynamic model for an air-breathing PEFC has been built to investigate the transient response of the fuel cell to load changes. The sensitivities of the dynamic response, as well as the steady state performance, to: the ... -
Dynamic models for air-breathing and conventional polymer electrolyte fuel cells: A comparative study
(Elsevier, 2022)Two dynamic models have been built for air-breathing and conventional polymer electrolyte fuel cells (PEFCs) in order to comparatively investigate the impacts of some key parameters on the transient response to load ... -
Empirical K-Shell Production Cross Sections Induced by 2-5 MeV Alpha on Elements of Z= 25 to 30
(American Institute of Physics Inc., 2018)During the last decades, the study of phenomena occurring in collisions between charged particles and target atoms has grown to a field of increasing interest in both its theoretical and experimental aspects. This growing ... -
Energetic and Exergetic Performance Investigation of Different Topologies for Hybrid Fuel Cell Vehicles
(Wiley-Hindawi, 2023)The use of green energy has increased day by day. Environmentally friendly hybrid electric vehicles with low CO2 emissions have gained public attention. However, most battery electric vehicles are still having range problems, ... -
Enhancement of image quality by using metamaterial inspired energy harvester
(Elsevier, 2020)Metamaterial energy harvester based subwavelength imaging structure is presented. Besides, 2x2 array patch antenna is designed to create incident radiated signal towards the proposed harvester structure. Harvested energy ... -
Enhancing electrochemical and electrochromic performances of carbazole comprising monomer via copolymerization with 3,4-ethylenedioxythiophene (EDOT)
(Elsevier, 2020)In this study, two novel electrochromic copolymers (CoP1.3 and CoP1.5) were synthesized via electrochemical methods and characterized. The comonomers used in the synthesis were 3,4-ethylenedioxythiophene (EDOT) and a ... -
Investigation of electrochemical performance of Na-ion batteries by hard carbon anodes produced by
(Springer, 2023)Hard carbon is successfully fabricated using biomass of Prunusarmeniaca seed shells, and its structural properties are examined by different spectroscopic techniques. For using as an anode electrode in Na-ion batteries, ... -
The Investigation of K Shell X-Ray Fluorescence Parameters for Sulphur Atom in Different 1, 2, 4-Triazoles
(Office Spectroscopy and Spectral Analysis, 2017)The measurement of K shell fluorescence parameters is an easy and practical way to investigate the electronic structures of elements in alloys, compounds or complexes. Since the number of valence electrons will change the ... -
The investigation of K-shell fluorescence parameters of Zn-Fe alloys with different grain size and microstrain values
(Wiley, 2017)It is known that zinc alloys with iron group metals have better corrosion resistance than pure zinc. Owing to the corrosion resistance of these alloys, Zn-Fe coatings are widely used in automotive industry and have excellent ... -
L-1, L-2, and L-3 subshell fluorescence yields: Updated database and new empirical values
(Elsevier, 2016)In this paper, a summary of experimental data published in the period of time between 1955 to february-2016 was presented in a tabular form for L, subshell fluorescence yields (omega(L1), omega(L2) and omega(L3)) taken ... -
M Shell Fluorescence Parameters of Pt, Au and Tl Compounds with Oxygen and Bromide
(Adıyaman University, 2019)In this study, Mβα X-ray production cross-sections and average M-shell fluorescence yields were determined by using EDXRF at 5.96 keV for Pt, Au and Tl compounds. The photo-peak areas were used for the measurement of M ... -
Microhydrogen production with water splitting from daily used waste aluminum
(Elsevier, 2021)In this study, different types of waste aluminum produced in daily life and their pure equivalents were evaluated and compared in terms of their hydrogen generation performance through the water-splitting reaction. An ... -
Polarization independent broadband metamaterial absorber for microwave applications
(John Wiley and Sons Inc., 2019)A new polarization independent broadband metamaterial absorber (MA) structure based on split ring resonators which are loaded with lumped elements and via connection lines is proposed. The designed structure shows a perfect ... -
The Ratios of Emission Probabilities of Auger electrons for 3d Transition elements at 59,5 keV
(American Institute of Physics Inc., 2017)The ratios of emission probabilities were determined by using the measured K shell X-ray intensity ratio values for elements from Sc to Zn. For the experimental measurements, the samples were excited by 59.5 keV gamma rays ... -
Review of experimental photon-induced Kβ/Kα intensity ratios
(Academic Press Inc Elsevier Science, 2020)In this paper, we present a compilation of the measured photon-induced K-beta/K-alpha intensity ratio values published in the literature from 1969 to 2018. In the considered period, we found about 1118 values (127 papers) ... -
The semi-empirical determination of KLL Auger, Kα1 and Kα2 X-ray line widths for sulfur atom in new 1,2,4-triazol compounds containing thiophene ring
(Elsevier Science, 2018)In this study K-alpha 1, K-alpha 2 and KLL Auger line widths were determined semi-empirically by using K shell fluorescence yields of sulfur even if K-alpha X-ray lines cannot be resolved in our detector system. The samples ...
