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Toplam kayıt 79, listelenen: 61-70
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 ...
Radiation pattern reconfigurable cubical antenna array for 2.45 GHz wireless communication applications
(Springer, 2022)
In this paper a single-fed four-faced multidirectional compact antenna is introduced for 2.45 GHz indoor wireless applications. Firstly, a slotted patch antenna is designed to operate at 2.45 GHz and its equivalent circuit ...
Sliding mode control for fuel cell supported battery charger in vehicle-to-vehicle interaction
(Wiley, 2022)
In typical vehicle-to-vehicle (V2V) charging systems, energy transfer is provided from a battery electric vehicle (BEV) to charge the energy storage unit of another BEV. In this study, the utilization of a fuel cell electric ...
Tree-shaped fractal metamaterial multiband absorber for C- and X-band applications
(Taylor and Francis Ltd., 2022)
Recently, multiband metamaterial absorbers have gained considerable attention from research and development communities due to their applications in filtering, stealth, and sensing. However, these multiband absorbers are ...
Enhanced Sensing Capacity of Terahertz Triple-Band Metamaterials Absorber Based on Pythagorean Fractal Geometry
(MDPI, 2022)
A new design of a triple band perfect metamaterial absorber based on Pythagorean fractal geometry is proposed and analyzed for terahertz sensing applications. The proposed design showed an enhanced sensing performance and ...
Designing, Modeling and Simulation of Solid Fuel Rocket ALP-01
(Avrupa Bilim ve Teknoloji Dergisi, 2019)
In this study the design of solid-fuel low-altitude rocket ALP-01 CAD has been optimized for the selected engine of rocket sizes foran altitude of 1500 meters. Parabolic type was preferred as the cone geometry. The length ...
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) ...
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 ...
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. ...
Surrogate Based Design Optimization of Multi-Band Antenna
(Institute of Electrical and Electronics Engineers Inc., 2021)
In this work, design optimization process of a multi-band antenna via the use of Artificial Neural Network (ANN) based surrogate model and meta-heuristic optimizers is studied. For this mean firstly, by using Latin-Hyper ...