Browsing Araştırma Çıktıları | Scopus İndeksli Yayınlar Koleksiyonu by Title
Now showing items 1055-1067 of 1067
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Wave propagations in metamaterial based 2D phononic crystal: Finite element analysis
(Institute of Physics Publishing, 2018)In the present work, the acoustic band structure of a two-dimensional (2D) phononic crystal (PnC) containing composite material were investigated by the finite element method. Two-dimensional PC with triangular and honeycomb ... -
Wear Behavior of Borided AISI D2 Steel under Linear Reciprocating Sliding Conditions
(Pleiades Publishing, 2019)AISI D2 steel is the most commonly used cold-work tool steel in its grade. In this study, microstructural characterization and some mechanical properties of borided AISI D2 steel samples were investigated. The boriding ... -
Webcam Based Real-Time Robust Optical Mark Recognition
(Springer, 2015)This study proposes a robust, low cost, real-time optical mark recognition (OMR) system that uses a webcam and a small OMR form to read hand-marked data from plain paper. The system is designed to read data from any ... -
WEDM machining of MoNbTaTiZr refractory high entropy alloy
(Elsevier, 2022)Refractory high entropy alloys (RHEAs) have shown great promise for a multitude of advanced engineering applications due to their high mechanical stability from cryogenic temperatures to 1600 °C. However, the low ductility ... -
Wet non-thermal integration of nano binary silicon-gold system with strong plasmonic and luminescent characteristics
(Amer Inst Physics, 2019)We report on a wet none thermal integration of the binary silicon-gold nano system. Instead of thermally based gas-solid procedures, we use charge exchange/injection-based procedures in a chemical wet environment. SEM and ... -
Wheat Yield Estimation from NDVI and Regional Climate Models in Latvia
(MDPI, 2020)Wheat yield variability will increase in the future due to the projected increase in extreme weather events and long-term climate change effects. Currently, regional agricultural statistics are used to monitor wheat yield. ... -
Why Kalina (Ammonia-Water) cycle rather than steam Rankine cycle and pure ammonia cycle: A comparative and comprehensive case study for a cogeneration system
(Elsevier, 2022)There are many studies on the Kalina cycle and steam Rankine cycles. However, there are not enough comparative and descriptive studies on why the Kalina cycle or steam Rankine cycle should be selected. In addition to that, ... -
Wide band fractal-based perfect energy absorber and power harvester
(Wiley, 2019)In this article, a novel wide band polarization and incident angle independent metamaterial absorber (MA) and energy harvesting applications which operates at C (4GHz-8 GHz) and X (8GHz-12 GHz) is proposed. The unit-cell ... -
Wideband luminescence from bandgap-matched Mg-based Si core-shell geometry nanocomposite
(American Institute of Physics Inc., 2018)We use wet treatment to integrate red-luminescent Si nanoparticles with Mg-based wide-bandgap insulators Mg(OH) and MgO (5.7 and 7.3 eV respectively). In the process, Mg2+ is reduced on Si nanoparticle clusters, while ... -
Wideband metamaterial absorber based on CRRs with lumped elements for microwave energy harvesting
(Taylor & Francis, 2018)A novel metamaterial absorber structure is designed and characterized for microwave energy harvesting. The suggested structure is composed of two circular ring resonators with different dimensions. Due to harvesting ... -
Wideband Microwave Absorber Comprising Metallic Split-Ring Resonators Surrounded With E-Shaped Fractal Metamaterial
(Institute of Electrical and Electronics Engineers Inc., 2021)A specially designed metallic E-shaped fractal-based perfect metamaterial absorber (PMA) with fairly wideband absorptivity in the K- and Ka-bands of the microwave regime was investigated. The PMA top surface is comprised ... -
Zero-sequence current injection based power flow control strategy for grid inverter interfaced renewable energy systems
(Taylor & Francis, 2020)This paper deals with an energy management issue for the grid-connected renewable energy sources connected with unbalanced loads. In the gridconnected energy systems, conventional energy management methods are used to ... -
Zinc oxide-tungsten-based pyramids in construction of ultra-broadband metamaterial absorber for solar energy harvesting
(Institution of Engineering and Technology, 2017)A new broadband absorber is investigated for the entire frequency domain of solar light (infrared, visible light and ultraviolet). While current absorbers in the literature have limited operation frequencies, investigated ...
